, I ABSTRACT 'L't~c OPCS I,oni.;i l.ucliri;il ,'+t,iulv ( I,!;) , wliiI..h links, f o r i n d i v i d u a l s , j r i f o r ' m a t i o n f t w i dc!;tt,ti r o r f i t > t l ! , , i 1 1 * 1 r,~:r1.5;11:;~~:; for a 1% s a m p l e o f t h e p o p u l a t i o n of' 1Snp;land i i r l c ! W a l r 1ielp: o v e r c o m e some of t h e r i i f'f'icul.t,ies ~isii;illy f ? n ( : c ) ~ i i i I , ~ ~ t YI 11 d I rwk I[: at. femalr: occ11 rnortalit,y. T L t~n;ibl.er; 11s 1.0 ; # t i : i I y:ic nmr*t,alit,y by cl assi f'y t.he d e a t h s and l.hc pcr::on-yr.;i to::-;if - r * i :;k i11 t.o Krqups def incA j ri terms o f o c c u p a t i o n r e c o r d e d i i i cirir? soilrce, n;uncly t h e c e n s u s . I t also ;i.llows u s t o c l a s s i f y i l l 1 w r . ~ i ~ i i , i n c l u d i n g t h o s e f o r whom n o o c c u p a t i o n a l inf'orrnat;ion w ; i ~ ; I V * I i I a b l ~ I'rom t h e c e n s u s ( m a i n l y h o u s e w i v e s ) , :icr.trrtlinp; t u , I i , i r * i ; !I (11' o t h e r c e n s u s - d e r i v e d socioeconomic measures. HeiTr:, .E+ w x i I 2 : s looking at d i f f e r e n t i a l s between occupational groii1'I w describe female mortality d i l ' f e r e n t i a l s accorrli ng t.c> h ( > ! ~ I.wure a n d w h e t h e r there was a car a v n i l a b l c f o r i i : i ~ by t h e h o t c l The d a t a i n d i c a t x c o r i s i d ~ ~ r 9 i i b lrlif'l'erentials +: i n m o r t a l i t y i n I971 -81 among women. Those c l x s i r i c d t,o manual o c c u p a t i o n s h a d much h i g h e r m o r t a l i t y t h a n ttion? c l a s s i f'i etl t,n non-manual o c c u p a t i o n s . This dif'fc.ren t.ial pc itcd f'or :I I I age groiips at, d e parLiculati.Ly l a r ~ eiirnony wornr-+ri ciy i Lri t.hc wcJrking age m n g e 15-59. A v e r y l a r g e mortal i.t y d i f ' f e i v ~ r i t . ~ ~ ; iwas l f o u n d b e t w e e n women l i v i n g i n local a u t h 0 r i t . y I i o u s ~ r l g ( i n lloI.Irif~hOldS w h i c h were w i t h o u t a car) and women i n owner-occupied hotisjng i-17 households w i t h a c a r ) ; f o r women aged 15-59 a t d e a t h t h e SMl!:i wciiie 136 ancl '17 r e s p e c t i v e l y . This l a t t e r d i f f e r e n t i a l was much riarrower at, o l d e r ages, by w h i c h stage, however, a c o n s i d e r a b l y srnnl 1 c r ' proportj.on of t h e p o p u l a t i o n was r e s i d e n t i n p r i v a t e household::. Change:.; i n these d i f f e r e n t i a l s over t h e 10-ycar period are also invt-:nt,igated Lo e x a m i n e e v i d e n c e f o r t h e e x i s t e n c e of s e l e c t i o n e f f e c t s . ' CORTKATS 1. Introduction 2. Source of data 3. Hethodology 4. Population characteristics 5. H o r tali ty 6. 5.1 Mortality d i f f e r e n t i a l s by economic position 5.1.1 Mortality a t ages 15-59 5.1.2 Mortal-ity a t o1d.r ages 5.2 Mortality d i f f e r e n t i a l s by own s o c i a l c l a s s 5.2.1 Mortality a t ages 15-59 5.2.2 Mortalj.ty a t oldsr ages 5.3 Mortality differentials characteristics Discussion notes References Tables Figures by household and housing 1. IRTRODOCTIOB Tradi tiona1l.y , England in Wales, and Registrar General ;: S n c i a I. C:l.:i:;srJ, economic differentials occupationally-derived iiave been used t o examine socio- of tnort31 I 1 jrt the the In population. the Decennial Supplement on Occu[:nl i 1;n tl Mortality f o r 1970-72 ( R e g i s t r a r General, 1978) occupational r'eg i r;t,er.cd in the reiated the appropriate deaths group were to period population at, r i s k obtained from t h e 1971 C e n s u s . 1970-72 by (approximate) The information on occupation came from khe d e a t h c e r t i f i c a t e s (for the d e a t h s ) and from the c e n s u s return:: (for the population a t r i s k ) . Various biases r e s u l t from t,he f a c t that, scparat,e sources or inf'ormation were used (out of necesr,ity) for the numerator and denominator of the occupational death r a t e s (Regl.?Lrat*General, 1978, Chapter 3 ) . Here, i n concentrating on rnortxiity among women, we need t o look i n some d e t a i l a t how and what. infnrrnntjon was c o l l e c t e d , i n particular a t t h e i n s t r u c t i o n s given t o Rcp;i:;trars of B i r t h s a n d Deaths, a n d the questions on the censiis schedules. The Decennial SupplemenI, suii1rnnri:;es l;he guidance given Registrars. "If t h e deceased is m a l e a n d aged 15 o r over h i s own occupation i s recorded. Ii? h e i s u n d e r t h e age of 15 the r e g i s t r a r is required to e n t e r s o n ( o r daughter) to 5. of ...I a n d g i v e t h e ri;ime a n d o c c u p a t i o n of t h e f a t h e r o r , i f n o t avai1;ib.l.e f o r t h e f a t h e r , t h e name and o c c u p a t i o n of t h e mother. For a m a r r i e d woman o r widow t h e r e g i s t r a r is r e q u i r e d t o e n t e r t h e deceased's o c c u p a t i o n and t h e words 'wife ( o r widow) of ' a n d t h e name and o c c u p a t i o n of t h e h u s b a n d (or deceased husband). k ' o r ' o t h e r females a g e d 15 o r o v e r t h e i r own o c c u p a t j o v -:houLd b e recorded. It I S t h e aim of t h e rcgistt-ar t.o r e c o r d t h e l a t e s t f u l l time g a i n f u l employment f n l ltswed by t h e d e c e a s e d a n d t o i g n o r e s u b s e q u e n t iri- 1a r p a r t - t i m e o c c u p a t i o n s of s h o r t d u r a t i o n . *., erms s u c h as ' h o u s e w i f e ' s h o u l d n o t b e u s e d aid j n t h e case of a woman who i s not loyed a t t h e d a t e of he d e a t h , the 1 full-time o c c u p a t i o n s h not b e r e c o r d e d u n l e s s s h e h a s b e e n f n e r p l o y m e n t for a o s t of her life," (Registrar G e n e r a l , 1 9 7 8 , p a g e 5.) ( e m p h a s i s a d d e d ) ... As a r e s u l t of t h e s e i n s t r u c t i o n s o n l y a small p r o p o r t i o n of t h e d e a t h c e r t i f i c a t e s of women h a d an o c c u p a t i o n r e c o r d e d . d e a t h s 1970-72 of women a g e d 15-6/+l 20% of t h e at d e a t h could b e c l a s s i f i e d to a s o c i a l c l a s s on t h e b a s i s of o c c u p a t i o n of t h e d e c e a s e d ; among m a r r i e d women o n l y 10% c o u l d b e c l a s s i f i e d t o a social class, a n d among widowed women, 12% ( R e g i s t r a r G e n e r a l , 1 9 7 6 , p a g e 26). The census schedule for 1971 a s k e d several q u e s t i o n s a b o u t main employment ( o r most r e c e n t j o b i f ' r e t i r e d o r o u t of w o r k ) i n t h e week b e f o r e t h e e n u m e r a t i o n date. P e r s o n s who h a d n e v e r had a j o b a n d housewives a who did not have job i n s t r u c t e d n o t to f i l l i n t h i s s e c t i o n . in the previous week were 6. lheir occupation as stated Lhr> census; :rI, pr.oportioli this Was s l i g h t l y l e s s (45%) arnonCi; m;;r-r-* ( \ < ! womcn a n d more ( 5 5 % ) f o r widowed wornfln ( Z e g i s t r a r Genera! In ,summary, a recorded on considerable very , 1 9'(flF r r ' f ~ ~ t , r ai.on l low their 76) F,(I/I of women curLifjcates. death probl.rv~n whei; occupaLiotia1 groups as iden L i r i t x d :it are Pnskjp untlertalceri have occupational m o r t a l i t y hampered b y Llie l(170-72, for the census, where t h e proportiorl detailed ;i to rise calculated for whoni an occiipaiic-iri w;?;~ recnrried was f a r h i g h e r . and occupation an gives This rates tli.atti have but analysis conclude t,hat Roman, Beral of work women's is 'I.. . incornplc2 Le r c r o x l i n g of' information about women's occupation at, Lhe timc: o r f:cai,ki i ~ p ; i : ; t r a t i o n . 4G% of the workforce, o f t e n hav;. A s women now make u p L h e i r own s p e c i f i c occupations, a n d po:;:;i b l y a130 their own speci f'ic occupat,iorially-related d i s e a s e s , i t i n time f o r t h e Registrar's g i i i d r s l i n e s on t h e recording of women's - ocl.1ipation Lmt r*evicwed at, t.hc beainning of this century - to he I (Roman, Beral and I n s k i p , 1 9 8 4 ) . I'hc OPCS Longitudinal St.udy, Lhe 1977 Censu.? schedule England and Wales i to analyse i n r l iv i d i i a l s 1 , deaths . vrli i c l i (for' a L i n k s individual death r e c o r d s t o 1% sample OP t h e population Of h e l p s ovc?rr;cirie this d i f f i c u l t y as i t enables U 9 by occupat.i.on as stated at census (for 7. However, a n o t h e r d i f f i c u l t y rmnnin:;. not o b t a i n i n f o r m a t i o n o n t h f : m17rj1, u n a b l e t o a l l o c a t e t h e s e women Since t h e census e x p l i c i t l y did r e c e n t , j o b of h o u s e w i v e s we are t,r) a s o c i a l c l a s s o n t h e b a s i s of I ' irracl,ivc' C e n s u s were c l a s s i f i e d married women surmount the a t t h e 1971 I n t h e I,,'; 38% nT women aged 15-59 their occupation. were who L h i s g r o u p m a i n l y c o n s i s t e d of ; although h o ~ t . ~ . - ~ . ~ i v c 3So . difficlil ties cau:jeid by the helps LS the discrepancies in the o c c u p a t i o n of women a s r e c o r d e d at, d e a t h a n d a t c e n s u s , t h e p r o b l e m s t i l l r e m a i n s or the h6Kh proporLion of women i n t h e w o r k i n g age r a n g e who were not t m p l o y m e n t i n 1971 f o r whom w e have n o in p a i d occupat i o n a 1 1n f'o rina t i o n . A s a way o f c i r c u m v e n t i n g t h i s p r o b l e m , t h e D e c e n n i a l Supplement for 1970-72 a d o p t e d t h e p r o c e d u r e of c l a s s i f y i n g m a r r i e d women a c c o r d i n g to their husband's occupation. were Women divided firstly by marital s t a t u s , a n d t h e n t h o s e s : i n g l e , widowed a n d d i v o r c e d a t c e n s u s were c l a s s i f i e d by t h e i r own o c c u p a t i o n , a n d t h o s e m a r r i e d by t h e i r husband's occupation. D e s p i t e t h e f a c t t h a t i n t h e LS 92% of married women 15-59 c o u l d b e classified to a socjal class cin basis the of their husband's o c c u p a t i o n as compared t o 47% who c o u l d be c l a s s i f i e d to a s o c i a l class from just,ification their for own occupation using the (Table Decennial married women's s o c i a l c l a s s i f i c a t i o n . are o u t l i n e d below. I), there Supplement's seems little approach to Some r e a s o n s f o r this view a. 1. I t i s i n s u l t i n g t o rnarrirxj w(~rrir?n and assumes dependence on t h e i r married women 1, who i n the LS 47% of s o c i a l c l a s s on t h e 3. It disregards t,he fact that ( c o n f i n i n g ourselves to those married women i n the LS who can be a l l o c a t e d t o S o c i a l Class I-V both from t , h e i r own occupat:ton and t h e i r husband's) a comparison of the s o c i a l clas..; derived from the woman's occupation w i t h t h a t derived from Lhe occupation of t h e i r husbands i n d i c a t e s t h a t o n l y i n 27% of the cases were the s o c i a l c l a s s e s the same (Table 2 ) . For 32% of these women, their h u s b a n d ' s social c l a s s was lower than t h e i r own. We can also make the comparison according t o t h e manual occupations ( S o c i a l CI.;isses IIIM, I V and V ) and non-manual occupations ( S o c i a l Classes J , I1 and IIIN). 67% of this group of women were assigned (manual o r non-manual) a s t h e i r h u s b a n d ' s . T h i s shows t h a t to the same g r o u p One q u a r t e r of t h e women were i n the non-manual group w h i l e t h e i r husbands were i n manual occupations. a r i s i n g from (Some of these d i f f e r e n c e s are an a r t e f a c t the u n s u i t a b i l i t y of women's occupations ( s e e Section 6 ) . ) this system of classifying 9. 4. I t c r e a t e s severe d i f f i c u l t i e s when we come t o make comparisons between groups of women the si.nce method of social class c l a s s i f i c a t i o n depends on t h e i r m a r i t a l s t a t u s . 5. It ignores the changing t i n t i ~ i ~ r :of p a r t i c i p a t i o n of women i n t h r society, the i n c r e a s i n g labour market and the f a c t t h a t most women a r e i n paid ernplciymcmt a t some s t a g e of t h e i r l i v e s . 6. The recent rise i n t h e cohabitation o f non-married p a r t n e r s and the increases information is often misleading. For these reasons i n t h i s paper we w i l l concentrate on seeing what can be gleaned from using informakion on women's own s o c i a l c l a s s f o r no d i s t i n c t i o n w i l l be made looking a t m o r t a l i t y d l f f e r e n t l a l s ; between d i f f e r e n t m a r i t a l s t a t u s e s . I n the LS we have 1971 Census Information f o r a l l sample members, which means we a r e not l i m i t e d t o , occupational classifications but variables classify i n t o subgroups. information to on people household and can housing use other census-derived The s e c t i o n using c h a r a c t e r i s t i c s provides an a l t e r n a t i v e approach f o r looking a t socio-economic d i f f ' e r e n t i a l s i n mortality; i t a l s o overcomes the lack of occupational and s o c i a l c l a s s Information f o r housewives. , 10. SOURCg OF DATA 2. The LS is b a s e d o n a 1% samp1.e drawn from t h e 1971 C e n s u s of E n g l a n d I t is n o t a s e l e c t e d p o p u l a t i o n , b u t was s a m p l e d o n t h e a n d Wales. we h a v e a r e p r e s e n t a t i v e s a m p l e (see Fox a n d b a s i s of b i r t h d a t e ; 1982, C h a p t e r 2 ) of t,he whole p o p u l a t i o n , i n c l u d i n g t h o s e Goldblatt, i n non-private households. The b a s i c i n f o r m a t i o n t h a t we h a v e o n e a c h i n d i v i d u a l i n t h e s t u d y is d e r i v e d from t h e 1971 C e n s u s s c h e d u l e , w h i c h also p r o v i d e s u s w i t h some a d d i t i o n a l i n f o r m a t i o n on h o u s e h o l d member,?. LS member s h o u s e h o l d a n d o t h e r Thlo l i n k i n g i n t o t h e s t u d y of t h e 198? C e n s u s r e c o r d s o f LS members will e n a b l e u s t o assess ( f o r s u r v i v o r s o n l y ) the extent previous t o w h i c h c e r t a i n c h a r a c t e r i s t i c s have c h a n g e d over t h e 10-year period. a t p r e s e n t , we are l i m i t e d t o However, l o o k i n g a t i n d i v i d u a l s a c c o r d i n g t o t h e i r c h a r a c t e r i s t i c s a t t h e 1971 Census. Information on sample members from the census is lir.ked with i n f o r m a t i o n o n a number of s u b s e q u e n t e v e n t s a b o u t w h i c h d e t a i l s are routinely collected. is death. The For our p u r p o s e h e r e t h e most i m p o r t a n t e v e n t study now includes information o c c u r r i n g t o s a m p l e members i n t h e i n t e r - c e n s a l on all deaths p e r i o d 1971-t31 a n d , as a c o n s e q u e n c e , we a r e a b l e t o e x t e n d t h e e a r l i e r work o n m o r t a l i t y differentials Goldblat t , which 1982 1 . was based on deaths 1971-75 only (Fox a n d 11. Naving d e t a i l s on d e a t h s o v e r n 10-year p e r i o d e n a b l e s u s to examine effects seLcction in more deljth. If health-related selection o p e r a t e s , we e x p e c t t h e r e l a t i v e m o r t a l i t y of t h e p a r t i c u l a r s u b g r o u p t o c h a n g e w i t h time as t h e s e l e c t i o n e f f e c t wears o f f (Fox, G o l d b l a t t and A d e l s t e i n , 1982). In t h i s p a p e r we h a v e used i n f o r m a t i o n on economic p o s i t i o n , own s o c i a l c l a s s , h o u s i n g t e n u r e and car a v a i l a b i l i t y t o look a t socioeconomic differentials population. in Cause-specific mortality among the female LS sample t r e n d s and d i f f e r e n t i a l s i n m o r t a l i t y w i l l n o t b e c o n s i d e r e d a t t h i s stage. The 1971 C e n s u s q u e s t i o n s from whj.ch t h i s i n f o r m a t i o n was d e r i v e d were as follows: B7. "Did t h e person h a v e a \job l a s t week ( t h e week e n d e d 2 4 t h A p r i l 1971 I ? The 1. Yes 2. No 3. - i n a j o b a t some t,ime d u r i n g t h e week s e e k i n g w o r k o r w a i t i n g t o take u p a j o b No - 4. iVo - who11y r e t i r e d 5. No - n o t s e e k i n g work f o r some o t h e r r e a s o n , n a m e l y , i n t e n d i n g t o seek w o r k , b u t s i c k ..If 1 i n s t r u c t i o n s o n t h e c e n s u s s c h e d u l e s u g g e s t e d t h a t housewive.s, s t u d e n t s and the p e r m a n e n t l y s i c k s h o u l d b e i n c l u d e d i n n u m b e r 5. Number 1 i n c l u d e d those i n p a r t - t i m e p a i d e m p l o y m e n t , a n d u n p a i d work i n a family business. 12. B.15-B.17 on T h e s e q u e s t i o n s a s k e d f3r i n f o r m a t i o n the person's e m p l o y e r , t h e p e r s o n ' s o c c u p a t i o n a n d d e s c r i p t i o n of t h a t work, and whether employed e t c . he or she was an employee, self- T h e s e q u e s t i o n s were t o b e a n s w e r e d " i n r e s p e c t of t h e m a i n employment l a s t week, o r o f t h e most r e c e n t j o b i f r e t i r t e d o r o u t o f work. For p e r s o n s who h a v e n e v e r had a j o b and for a h o u s e w i f e who d i d n o t have a j o b l a s t w e e k , write 'NONE' a t B.15." T h i s q u e s t i o n asked w h e t h e r t h e household occupied t h e i r A.l. as accommodation owner-occupiers, private tenants ( f u r n i s h e d o r unfurnished), o r local a u t h o r i t y t e n a n t s . "How A.4. by c a r s a n d vi3ns a r e n o r m a l l y a v a i l a b l e for u s e many you or members of your household (other than v i s i t o r s ) ?Ir I t i s w o r t h m a k i n g o n e or two p o i n t s i n r e l a t i o n t o t h e s e q u e s t i o n s . There is considerable vagueness p o s i t i o n categories. on the basis of h e r and o v e r l a p between the economic A woman is a l l o c a t e d t o o n e o f these s u b g r o u p s own (or that of the c o m p l e t e d t h e c e n s u s s c h e d u l e ) p e r c e p t i o n of h o u s e h o l d member who her e c o n o m i c s t a t u s . T h i s p e r c e p t i o n w i l l d e p e n d n o t o n l y o n h e r age, b u t a l s o o n h e r marital s t a t u s , a n d the g e n e r a l e c o n o m i c climate. A s i n g l e woman may d e s c r i b e h e r s e l f as 'seeking work', w h i l e a married woman, in a 13. similar position, may describe herself 'housewife', as Some women w i l l s a y t h e y welcoming a j o b i f t h e o p p o r t u n j t y arose. a r e r e t i r e d , w h i l e o t h e r s i n a sjmilar p o s i t i o n w i l l sa: housewives. H o u s e w i v e s were a l l o c z t The q u e s t i o n s on p r e s e n t , allocate to people Housewives contained were the put in t o t h e category ' i n a c t i v e ' ( !) Hegistrar 'unoccupied' and sic!c' Social General ' 3 group; Classes. group this most, s t u d e n t s . . t.0 I)(Js~, the 'permanently t h e y are r e c e n t , o c c u p a t i o n were u s e d or the although Women also who i n d i c a t e d t h a t t h e y were e c o n o m i c a l l y a c t i v e ( i n e m p l o y m e n t , o u t of employment - or sick s e e k i n g work, retired), but who failed to p r o v i d e t h e more d e t a i l e d o c c u p a t i o n a l i n f o r m a t i o n w h i c h e n a b l e d them t o b e a l l o c a t e d t o a s o c i a l clas:;, inadequat x l y d e s c r i b e d o c c u p a t i o n s* were p l a c e d i n t h e g r o u p w i t h . The q u e s t i o n s on h o u s i n g t e n u r e and c a r a v a i l a b i l i t y were o n l y a s k e d I n t h i s p a p e r we of t h e p e r s o n s i n p r i v a t e h o u s e h o l d s a t c e n s u s . h a v e n o t l o o k e d in m u c h d e t a i l a t women i n n o n - p r i v a t e h o u s e h o l d s a s a more detailed elsewhere (Moser investigation and of' Coldblatt, this group 1984). has been Visitors in households have also been k e p t an a s e p a r a t e subgroup. c o m b i n a t i o n of t h e ' t e n u r e ' presented private Using a and 'car' information, those r e s i d e n t i n p r i v a t e households have been divided i n t o s i x subgroups, i.e. the t h r e e t e n u r e g r o u p s e a c h s u b d i v i d e d i n t o those h o u s e h o l d s w i t h , and those without, cars. I t h a s beer s u g g e s t e d t h a t t h i s c l a s s i f i c a t i o n idtntifies groups with dif’far‘en t life-styles, income, living c o n d i t i o n s e t c . , a n d t h a t , although i t is cliff icult, t o s t r i c t l y o r d e r t h e s i x s u b g r o u p s , i t seems l i k e l y t h a t t h e two extremes are p r o v i d e d by ‘owner-occupiers w i t h cars’. ‘ c o u n c i l t e n a n t s w i t h n o car:?’ a n d E a r l i e r work on m o r t a l i t y d a t a f r o m t h e LS ( u s i n g i n f o r m a t i o n on d e a t h s i n t h e p e r i o d 1971-75 o n l y ) has shown t h a t t h e a b o v e g r o u p s do h a v e v e r y d i f f e r e n t l e v e l s of n i o r t a l i t y ( F o x a n d G o l d b l a t t , 1982, page 87). METHODOLOGY 3. T h r o u g h o u t t h e a n a l y s i s t h e S t a n d a r d i s e d M o r t a l i t y Ratio ( S M R ), i.e. t h e r a t i o of o b s e r v e d to e x p e c t e d d e a t h s x 1 0 0 , h a s b e e n u s e d as a summary index of mortality. In instances where it seemed i n a p p r o p r i a t e t o make c o m p a r i s o n s o f t h e m o r t a l i t y of g r o u p s based o n the for SMRs s t r u c t u r e s of a l l ages (because of greatly the t h e g r o u p s (see Wen e t a l , 1 9 8 3 ) 1, differing age SMRs f o r n a r r o w e r age b a n d s h a v e b e e n c a l c u l a t e d . Expected deaths, applying the population to consideration. population. used death the in rates calculating ( i n ‘:-year the SMRs, age g r o u p s ) person-year’s-at-risk in the were o b t a i n e d b y i n the standard subgroup under The t o t a l female L S s a m p l e was u s e d as t h e s t a n d a r d Approximate 95% c o n f i d e n c e l i m i t s f o r t h e r a t i o of o b s e r v e d t o e x p e c t e d d e a t h s have been c a l c u l a t e d (see Vandenbroucke, 1982). 15. 4. 'l'htt POPULATIOB CHARA@TISIRI.STT(. z r t i . T t ; r i butic.rrr of' w ( ~ m e r i b y a p ; l n d ::hewn i n Figure 2 . i,o .'.;ctcial rlaiii ocr:uprition s o c i a l class i.n 1971 is Not, sur*prmioj.npl y , I;he wclnien who were classif'ied Classes 1 to V cot-rc?:iponci twtighly w i t h those :ihown t o be i n employment. i n F'i jgire 1 . ::ljghi,l.y owl1 larger. 'Thr? former category cl.a:is si.ricf-1 s o c i a l may relate to was numerically 'most r e c e n t ' f o r t.Ilosc cur-rc.ni,l y not. in p a i d e m p l ( ~ y r n e n t . were (:la.s::ifiecl as li.mw:cupied' , w h j l e the Housewives r e t i r e d were c l a s s i f i e d as 16. ' inadequately descri.bed' (except, most recent j o b ) . the f o r - the few who gave i,nformation on T h u s the d i s t i - n c t i o n between the unoccupied and inadequately described group.? depends mainly whether on the respondent d e s c r i b e d herself as a kotisewife o r as r e t i r e d . Table 3 shows that 15-59, worner among a l l o c a t e d t o S o c i a l Classes I - V . 53% (77,081) could be ( T h i s is s l i g h t l y more t h a n the 76,308 who s t a t e d t h a t t h e y were i n paid employment.) Two-fifths o f these women were i n S o c i a l Clas.? [I1 non-manual a n d over one-quarter i n Social Class I V . The rernaininq 47% of r e s i d u a l groups. 15-59 women Except for the in LS s a m p l e were i n the 3% of women w i t h 'inadequately described occupation,?' the rest. were i n the 'unoccupied' ( O n l y 102 women or? a l l ages in the the category. LS sample were i n the armed forces. Above retirement age propvrt ion t,he of described occupations' increased r a p i d l y . were retired occupation. women Social for whom we class takes lack on women w i t h ' inadequately Almost a l l o f these women information on most a different meaning recent above rebirement age as i t tends t o r e f e r t o l a s t occupation, while a t younger ages it is more ( e s p e c i a l l y among women, likely who, d e t a i l s on l a s t occupation) - if to refer to housewives, current were not occupation asked for Lzs.7 than 15% of women aged 75 and above could be allocated t o a s o c i a l class. 17. Changing employment patterns of women over t h e years w i l l a l s o a f f e c t the interpretation of economic and status social class c h a r a c t e r i s t i c s f o r d i f f e r e n t age groups. Figure 3 shows w i t h i n each 5-year age group t h e d i s t r i b u t i o n of women by household and housing c h a r a c t e r i s t i c s i n 1971. I t shows how t h e proportion of women enumerated i n non-private households increased a t older ages; women 21% of aged 85 and over were in non-private households compared w i t h only 2.4% i n t h e female LS population as a whole. Just under 30% of the female sample l i v e d i n l o c a l a u t h o r i t y housing; two-fifths of these l i v e d i n households w i t h a c a r a v a i l a b l e f o r use. rapidly The proportion of women i n council housing declined q u i t e at older ages, wbile accommodation only decreased by tendency f o r e l d e r l y council proportion the Et small amount. tenants t o move in owner occupied T h i s may i n d i c a t e a i n t o homes f o r t h e e l d e r l y , e t c . t o a g r e a t e r extent. than owner occupiers. S l i g h t l y l e s s than h a l f of the female LS population were i n owneroccupied housing, available f o r 70% of 17% of use. (unfurnished and whom lived 1,he women in households were f u r n i s h e d ) accommodation, in with privately a car rented 44% i n households w i t h cars. Over h a l f of the female LS population were i n households w i t h a c a r available occupiers. for use, The 'without c a r s ' . and 'with of these, almost c a r ' groups were much two-thirds 'younger' were owner than those 18. As w i t h the economic position and .zocial c l a s s information, different, meanings car be attached t o h o u s i n g tenure rind c a r ilvai 1 ~ a bli i t y f o r the d i f f e r e n t age groups. will Many of t h e e l d e r l y women in the S a m p l e have moved out of' Lhe.ir horriw:; consequently t h e i r hou:;ing and in with younger r e l a t i v e s ; antj c a r c h a r a c t e r i s t i c s may r e f l e c t those o f t h e i r s o n s , d a u g h t e r s , or ~ i r ? ~ i ~ j ~ - , h i lrdartehne r than t h a t t o w h i c h they have been ;iccustomed f'or mc):;l-, In addiLion, t het^ have b e p n of t h e i r l i v e s . cor^::^ derable changes over the y e a r s , b o t h i n housing a n d i n c a r ownc>rstiLp, so cohort e f f e c t s m u s t also be taken i n t o ncroiiri t . 5. MORTALITY 5.1 Mortality difrerentials b y economic position Mortality a t ages 15-59 5.1.1 A s t h e economic position categoric:s have very d i f f e r e n t meanings a t d i f f e r e n t ages, we h a v e i n i t i a l l y looked a t m o r t a l i t y i n t h e working age range 15-59. Figure 4 show:; i.he m o r t a l i t y 1971-81 of women aged 15-59 a t death b y t h e i r economic position i n 1971. the same information b u t 1976-81 . f o r the two 5-year TabLe 4 g i v e s periods, 1971-75 and in Women paid employment in 1971 had low relative mortality t h r o u g h o u t t h e f o l l o w i n g ten year.?, t h o u g h t h e SMR d i d i n c r e a s e from 81 f o r 1971-75 t o 87 f o r 1976-57. T h e SMRs f o r i n d i v i d u a l y e a r s o f death indicate that the mortality of this p a r t i c u l a r l y low i n 1971 w i t h a n ZMR o f 6 6 , group of women r i s i n g t o a b o v e 80 i n T h e s e figlAres s u g g e s t a ' h e a l t h y w o r k e r ' subsequent years. was effect, w h e r e b y t h e women i n p a i d employment were h e a l t h y when c o m p a r e d t o a l l women; o v e r time t h i s s e l e c t i o n e f f e c t wore o f f . S t u d e n t s a l s o a p p e a r t o h a v e had s l i g h t l y lower m o r t a l i t y t h a n w o u l d be e x p e c t e d , small, but t h e n u m b e r s of' d e a t h s i n t h i s s u b g r o u p were v e r y s o t h e r e is a h i g h d e g r e e of uncertainty surrounding these SMRs. I n c o n t r a s t t o t h e h i g h m o r t a l i t y of men ' s e e k i n g w o r k ' ( s e e Moser, 19841, t h e m o r t a . t i t y of women ' s e e k i n g work' is low, Fox a n d ,Jones, a l t h o u g h i t r i s e s from a n SMR of 83 i n 1971-75 t o 9 7 i n 1976-81. This supports is 'selected' the 'option' good t h e suggestion that t h i s s u b - g r o u p T h i s s e l e c t i o n arises b e c a u s e of health. for that married women h a v e t o d e s c r i b e t h e m s e l v e s as e i t h e r ' s e e k i n g w o r k ' o r as a h o u s e w i f e . The ' s e e k i n g work' c a t e g o r y w i l l b e composed of s i n g l e women and a ' s e l e c t ' g r o u p of t h e married. T h e two ' s i c k ' g r o u p s had, n o t s u r p r i s i n g l y , v e r y h i g h m o r t a l i t y . 1971 b o t h t h e ' p e r m a n e n t l y s i c k ' a n d t h o s e ' o u t o f e m p l o y m e n t had SMRs of o v e r 700. - In sick' I n the 'permanently s i c k ' group, mortality 20. r e m a i n e d v e r y h i g h (SMRs a l l over 400) f o r t h e rest o f t h e p e r i o d 1971-81, w h i l e f o r t h e o t h e r g r o u p t h e m o r t a l i t y f e l l q u i t e r a p i d l y over t h e years. However, a s i s shown i n Table 4 , t h e SMR f o r t h o s e ' o u t of work - s i c k ' i n 7971 was s I i l l v e r y h i g h i n t h e s e c o n d f i v e y e a r p e r i o d (SMR of 250). An eu,;irnJnaton of t h e SMRs of t h i s g r o u p f o r n a r r o w e r a g e b a n d s i n d i c i 3 t e s ' ,/]att h e e x c e s s m o r t a l i t y i n 19'71-75 was f a r g r e a t e r i n t h o s e a g e d 15-34 a t d e a t h (SMR o f 1333, c o n f i d e n c e i n t e r v a l 557-2443) 232-467). among t h a n among t h o s e 45-59 A similar p i c t u r e , the a t d e a t h ( S M R of 3 4 0 , C . I . Lhough not. s o s t r i k i n g , 'permanently s i c k ' . One o l d e r women who were s e r i o u s l y is o b s e r v e d p o s s i b l e e x p l a n a t i o n is ill, f e e l i n g t h a t t h e y would n e v e r t a k e p a i d employment a g a i n , d e s c r i b e d t h e m s e l v e s as ' r e t i r e d ' than 143 i n 1971-75 r i s i n g t o 203 i n t h e s e c o n d f i v e - y e a r This confirms t h e hypothesis healthy that The SMH period. t h i s g r o u p c o n t a i n e d some 'Less women. M o r t a l i t y was s l i g h t l y r a i s e d among t h e ' i n a c t i v e ' of rather T h e r e t i r e d g r o u p had h i g h e r m o r t a l i t y t h a n we w o u l d 'sick'. e x p e c t on t h e b a s i s of d e a t h r a t e s i n t h e female LS s a m p l e . was that 106 a n d 105 i n 1971-75 a n d 1976-81 g r o u p , w i t h SMRs respectively. A s with the ' r e t i r e d ' g r o u p , t h i s c a t e g o r y may h a v e c o n t a i n e d some women who were n o t c o n s i d e r i n g p a i d employment b e c a u s e of ill h e a l t h . hand, On t h e o t h e r t h e r a i s e d m o r t a l i t y may r e f l e c t i l l n e s s a s s o c i a t e d w i t h t h e stress, However, boredom the lack and of isolation any clear experienced trend in some by the housewives. mortality of this s u b g r o u p o v e r time t e n d s t o suggest t h a t our d a t a ( l i m i t e d h e r e t o m o r t a l i t y ) does n o t lend s u p p o r t to t h i s h y p o t h e s i s . 21. 5.1.2 Xortalitp at o l d e r ages Figure 5 summarises the m o r t a l i t y 1971-81 of women i n age groups 15- 59, 60-74 1971. and 75 and over a t death by t h e i r economic position i n I n t h i s s e c t i o n we w i l l retirement. age. rfinccntrate on the m o r t a l i t y over There i s no1,hing p a r t i c u l a r l y s t r i k i n g about the m o r t a l i t y experienced by the two numerically l a r g e s t groups i n t h i s age range. 'inactive' The 'retired' have s l i g h t l y raised m o r t a l i t y and have s l i g h t l y lowered m o r t a l i t y . r e f l e c t some s e l e c t i o n i n economic s t a t u s . themselves as the way that the These d i f f e r e n c e s may the women described t h e i r Some women who, a t younger ages', may have described 'permanently sick', a t ages over retirement age may have s a i d t h a t they were r e t i r e d . There low relative employment including those w i t h ages a t death 60-74 and 75 and over. I t is not s u r p r i s i n g that mortality among women in paid is the o l d e r women who were s t i l l i n paid work were unusually healthy. The 'permanently sick' and 'out of work - sick' groups s t i l l had raised m o r t a l i t y a t o l d e r ages, although to a much l e s s e r e x t e n t than i n the working age range 15-59, T h i s i s presumably due t o the ill women who a t younger ages described themselves a s ' s i c k ' , b u t having reached retirement age w i l l s a y they a r e r e t i r e d . Thus, the i l l e r women were spread over more c a t e g o r i e s a t o l d e r ages, r a t h e r t h a n b e i n g concentrated mostly the younger age range. i n t h e t w o 'sick' g r o u p s a s they were i n '* 22. T a b l e 5 g i v e s t h e same i n f o r m a t i o n b u t f o r m o r t a l i t y i n t h e two 5year 1371-75 periods suggestion women in that paid there and is This 1976-81. 'healthy a employment, as, for- support adds age groups, the relative m o r t a l i t y is h i g h e r i n t h e seconcl h a l f ' of t h e d e c a d e 1971-81. the elderly women, 'permanPnLly sick' in 1971, the o p e r a t i n g for worker e f f e c t ' all to the SMR Among falls c o n s i d e r a b l y o v e r t h e 10-year period. This o u t l i n e should on provide the mortality differentials background a far the by sections economic p o s i t i o n that follow. It i n d i c a t e s how the women i n p a i d employment were a r e l a t i v e l y h e a l t h y s u b g r o u p of the population, examining m o r t a l i t y class ( I - V I . a n d t h i s we s h o u l d bear i n m i n d when d i f f e r e n t i a l 3 among women by t h e i r own s o c i a l S e c o n d l y , i t show;; t h e v e r y h i g h m o r t a l i t y among t h e 'permanently s i c k ' a n d ' o u t of work - sick'. Many o f t h e s e women were i n h o s p i t a l s e t c . i n 1971 and s o were e n u m e r a t e d i n n o n - p r i v a t e households. Thus t h e s e c t i o n oti d i f f e r e n t i a l s by household and h o u s i n g c h a r a c t e r i s i c s , i n l o o k i n g a t t h e v a r i a t i o n s among r e s i d e n t s i n p r i v a t e households, has again concentrated on a r e l a t i v e l y h e a l t h y sub-group. 23. Mortality differentials by own s o c i a l c l a s s 5.2 5.2.1 Mortality at ages 15-59 Figure 6 summarises the m o r t a l i t y 19'/1-81 by t h e i r own s o c i a l c l a s s i n 1971. Table 6 f o r 1971-75 and 1976-81 of women, 15-59 a t death, The same information is shown i n separately. Social Classes I and I1 have been combined i n t h i s a n a l l p i s a s Social Class I was a very among women i n Social Class I t h e r e were only 15.9 small group; expected deaths a t ages 15-59 i n t h e period 1971-81. Several points emerge. All t h e women who could be allocated to Social Classes I t o V had lower mortality 1971-81 than expected on the basis (confidence of all women interval in 82-91) the LS for this sample, group with an SMR of a whole. as 87 This compares w i t h an SMR of 84 (confidence i n t e r v a l 80-89) f o r women ' i n employment' i n 1971. year period Classes I - V Looking a t the trend i n m o r t a l i t y over t h e 10- shows t h a t the mortality 1976-81 i n 1971 was slightly higher (SMR of 89, C . I . i n t h e f i r s t 5-year period (SMR of 8 4 , C . I . worker' of women i n Social effect is employment' i n 1971. similar to that 78-90). observed 83-96) than T h i s 'healthy among women 'in The main difference i n t h e composition of the women ' i n employment' and t h o s e i n Social Classes I t o V is t h a t t h e l a t t e r includes women c l a s s i f i e d t o a s o c i a l c l a s s from most recent occupation, i n a d d i t i o n to those c u r r e n t l y i n employment. 24. Now turning t o the d i f f e r e n t i a l s b,y s o c i a l c l a s s . A t a f i r s t glance there is no c l e a r steady mortality gradient across Social Classes I-V i n e i t h e r 1971-75 o r 1976-81 o r f'or the 10-year period as a whole. T h i s is u n l i k e the p a t t e r n s f o r rnnlc. mortality (1971-75) where q u i t e a d e f i n i t e gradient emerged f o r mcrt ol' working ages; those i n S o c i a l Classes I and I1 had SMRs of 8 1 and 79 respectively, and those i n Social Class V had an SMR o f 1985). 116 ( s e e Fox, Coldblatt and Jones, Partly f o r t h i s reason i t has often been suggested t h a t we cannot use women's own s o c i a l class a s a way of i d e n t i f y i n g groups with d i f f e r e n t mortality experience. Although there are severe d i f f i c u l t i e s ( a s outlined i n Sections 1 and 6 ) i t seems t h a t some useful information can be gleaned from s u c h an a n a l y s i s . I n 1971-81 almost two-thirds of Lhc deaths occurring among women i n Social Classes I-V occurred t o women i n e i t h e r Social Class IIIN o r Social Class IV; these two groups had q u i t e d i f f e r e n t mortality l e v e l s w i t h SMRs of '78 and 97 respectively. relative Women i n Social Classes I a n d I1 h a d a n S M R of 80, v e r y s i m i l a r t o those i n Social Class IIIN; and women i n S o c i a l Class IIIM had an SMR of 100, which is s i m i l a r t o t h a t of women i n Social Class I V . The m a i n anomaly i s t h e low r e l a t i v e mortality ( S M A of 86) of women i n S o c i a l Class V i n 1971. v 25. Comparing the period relative mortality changed. 1971-75 with 1976-81 we observe that S o c i a l Classes I and 11, a n d IIIN of the hardly I n c o n t r a s t t o t h i s , the r e l a t i v e m o r t a l i t y l e v e l s of the three manual s o c i a l c l a s s e s a l l increased q u i t e s u b s t a n t i a l l y ; t h e SMR f o r Social Class IIIM increased from 90 t o 110, f o r Social Class I V from 94 t o 101, and f o r Social Class V from 70 t o 102. low SMA 1971-75 of T h e very i n Social Class V i s hard to explain; women although t h i s value is based on only 56 deaths, t h e upper confidence l i m i t is well below 100. Considering the two numerically most important s o c i a l c l a s s e s ( I I I N and I V ) , we s e e a widening of t h e m o r t a l i t y d i f f e r e n t i a l s over the I f we group the s o c i a l c l a s s e s i n t o non-manual ( I , 10-year period. I1 and IIIN) and manual (IIIM, I V and V ) c l a s s e s , we s e e a c l e a r The r e l a t i v e m o r t a l i t y of women i n non-manual pattern emerging. occupations i n 1971 remained more o r l e s s constant 1971-81, while the relative mortality considerably. This annual SMRs 1971-81 of women point is 2-n manual illustrated occupations rose quite i n Figure 7 where the a r e shown f o r women i n manual and non-manual s o c i a l c l a s s e s i n 1971. There a r e some year by year f l u c t u a t i o n s b u t the o v e r a l l impression is of increasing r e l a t i v e m o r t a l i t y among women in manual social classes and reasonably mortality among women i n non-manual s o c i a l c l a s s e s . static relative 26. W e h a v e s o f a r c o n c e n t r a t e d on t h e women who c o u l d b e c l a s s i f i e d t o Social I-V i n Classes mortality. 1971 as who, a whole, low had relative The r e m a i n i n g group:3, women w i t h ' i n a d e q u a t e l y d e s c r i b e d occupations' and definition). the The ' u n o c c u p i ed' inadequate.ly , had raised described' group, mortality as (by mentioned e a r l i e r , c o n s i s t e d of women i n employment, o u t of employment ( s i c k o r seeking work), and r e t i r e d , was not o b t a i n e d . for. whom f u l l o c c u p a t i o n a l i n f o r m a t i o n T h e i r r e l a t . i v e m o r t a l i t y was v e r y h i g h w i t h a n SMR of 211. I n t h e p e r i o d 1971-81 i n 1971 as a whole, t h e SMR of i t was s l i g h t l y lower (SMR of 1 2 4 ) i n 1976-81 t h i s g r o u p was 132; than i n the earlier period ( S M R of This excess mortality 136). p r o b a b l y r e s u l t s from t h e f a c t t h a t a b o u t h a l f of t h e women 15-59 who were 'out of work - sick' we're in the group w i t h ' i n a d e q u a t e l y described' occupations. The women in the 'unoccupied' category m o r t a l i t y 1971-81 w i t h a n SMR of' 116. which fell housewives, to 114 in 1976-81. The also had high relative The SMR f o r 1971-75 was 119, group mainly consisted b u t also t h e permanently s i c k and s t u d e n t s . s h o w s how t h e SMR of t h i s g r o u p of women v a r i e d y e a r by y e a r , of Figure 7 27. F i g u r e 8 s u m m a r i s e s t h e a b o v e i n f - o r m a t i o n by s h o w i n g m o r t a l i t y 197181 f o r women aged 15-59 at by death own in social class 1971. However, a s w e l l a s s h o w i n g t h e d i f f e r e n t i a l s i n m o r t a l i t y b e t w e e n the social classes, groups, by it relating proportional in also the length to indicates SMRs the s i z e of horizontal Cu LhF> number of the d i f f e r e n t lines are which expected deaths i n that subgroup. I t makes c l e a r how i m p o r t a n t t h e ' u n o c c u p i e d g r o u p ' i s i n terms size, of occupations, while a 1t h o u g h the women with experiencing high 'inadequately described' are mortality, Only a r e l a t i v e l y small s u b s e t of t h e female p o p u l a t i o n in t h i s age range. 5.2.2 Mortality at o l d e r ages So f a r we have c o n s i d e r e d s o c i a l c l a s s m o r t a l i t y d i f f e r e n t i a l s zirnonE women 15-59 a t d e a t h o n l y . Table 7 shows t h e SMRs f o r 1971-75 a n d 1976-81 f o r women by s o c i a l c l a s s f o r age g r o u p s 15-59, 60-74 a n d 75 T h e same i n P o r m a t i o n f o r t h e 1 0 - y e a r p e r i o d as a and o v e r a t d e a t h . whole is shown in categories manual, unoccupied. For Figure 9 non-manual, the older where women the women the are grouped inadequately into described the and a l l o c a t i o n t o s o c i a l class g r o u p s i s l i k e l y t o b e b a s e d o n a n o c c u p a t i o n t h e y had a t some time i n the p a s t (rather than c u r r e n t l y ) . D e s p i t e t h i s we o b s e r v e some clear The differentials in mortality. women 60-74 at death, c l a s s i f i e d t o non-manual o c c u p a t i o n s , had a n SMR of 80 f o r 1971-81. 28. group Thjs i n c l u d e d some women c u r r e n t l y i n p a i d e m p l o y m e n t ; the women who d i e d a t ages 60-74 i n 1971-81 w i l l h a v e i n c l u d e d women i n t h e age r a n g e 50-74 a t 1971 C e n s u s . T h e women c l a s s i f i e d t o t h e manual g r o u p h a d s l i g h t l y h i g h e r m o r t a l i t y i n 1971-81 w i t h a n SMR of The women ‘75 a n d ;ibove a t d n a t h show low r e l a t i v e m o r t a l i t y c)l. 1971-81 f o r t h e non-manual manual g r o u p a n SMR of 103. group, w i t h a n SMR of 90, a n d for t h e Thus t,he women c l a s s i f i e d t o non-manual o c c u p a t i o n s seem t o h a v e lower r e l a t i v e m o r t a l i t y t h a n t h o s e i n t h e m a n u a l o c c u p a t i o n s , f o r a l l age g r o u p s , i n c l u d i n g t h o s e aged 75 a n d over. the The d i f f e r e n t i a l n a r r o w s w i t h age. I inadequately described’ group a n d t h e A t ages 60-74 a t d e a t h unoccupied’ both have r a i s e d m o r t a l i t y 1971-81 w i t h SMRs o f 113 a n d 105 r e s p e c t i v e l y . m o r t a l i t y a t ages 75 a n d a b o v e , close t o 100. t h e SMRs of For t h e s e two groups a r e Among t h i s e l d e r l y g r o u p of women t h e o n l y s u b - g r o u p of t h e p o p u l a t i o n w i t h a m o r t a l i t y l e v e l s i g n i f i c a n t l y d i f f e r e n t from 100 is t h e g r o u p of women c l a s s i f i e d t o non-manual o c c u p a t i o n s . 5.3 M o r t a l i t y d i f f e r e n t i a l s by h o u s e h o l d and h o u s i n g c h a r a c t e r i s t i c s Most of t h e e m p h a s i s i n t h i s s e c t i o n w i l l b e o n women r e s i d e n t i n p r i v a t e h o u s e h o l d s a t c e n s u s a l t h w g h t h e t a b l e s a n d f i g u r e s do a l s o g i v e i n f o r m a t i o n o n women e n u m e r a t e d i n n o n - p r i v a t e v i s i t o r s i n p r i v a t e households. h o u s e h o l d s and A d e t a i l e d a n a l y s i s of t h e l a t t e r two g r o u p s i s p r e s e n t e d e l s e w h e r e (see Moser a n d G o l d b l a t t , 1 9 8 4 ) . In concentrating on women resident in private households, we a r e looking a t a r e l a t i v e l y healthy s u b s e t of the female population, a s those i n h o s p i t a l s , homes f o r the e l d e r l y e t c . a r e not included. Figure 10 summarises the m o r t a l i t v 1971-81 of women (all ages a t death) by t h e i r household and housing c h a r a c t e r i s t i c s i n 1971. c l e a r d i f f e r e n t i a l s a r e shown. Some Women i n owner-occupied housing had q u i t e low r e l a t i v e mortality w i t h an S M R , over the 10-year period, of 84 for those w i t h a c a r and 93 f o r those without a c a r . Local authority tenants without a c a r had high r e l a t i v e m o r t a l i t y , w i t h a n SMR of 109. 'The other tenure-car groups had m o r t a l i t y c l o s e t o t h a t w h i c h would be expected on the b a s i s of death r a t e s i n the female LS sample as a whole. 'no - W i t h i n any of the three housing tenure groups the women i n the c a r ' group appear to have experienced higher m o r t a l i t y 1971-81 than those i n the group w i t h a c a r a v a i l a b l e f o r use. Table 8 g i v e s the same information b u t f o r the two s e p a r a t e 5-year periods, 1971-75 and 1976-81. Within each tenure we observe a widening d i f f e r e n t i a l over time of those w i t h and without c a r s ; the SMRs of the ' w i t h c a r ' groups decreased s l i g h t l y between 1971-75 and 1976-81, while the SMRs of the groups without c a r s increased q u i t e a lot. The differential between the two 'extreme' groups occupiers w i t h a c a r and l o c a l a u t h o r i t y tenants without c a r s ) (owner- i 30. widened c o n s i d e r a b l y ; t h e SMR f o r o w n e r - o c c u p i e r s i n 1971-75 with c a r s was 85, a n d f o r c o u n c i l t e n a n t s w i t h o u t cars i t was 106; these f i g u r e s were 8 4 a n d 1 1 2 r e s p e c t i v e l y i n 1976-81. T h i s i n f o r m a t i o n i s shown i n more rlr.t,nil i n F i g u r e 1 1 w h i c h shows t h e a n n u a l SMRs f o r women, a l l a@$:? a t d e a t h , characteristics. by h o u s e h o l d a n d h o u s i n g The p r i v a t e t e n a n t a n d c o u n c i l t e n a n t 'with car' g r o u p s were c o m p a r a t i v e l y small w h i c h e x p l a i n s t h e f l u c t u a t i o n s i n The t h r e e t e n u r e g r o u p s show q u i t e d i f f e r e n t l e v e l s of t h e i r SMRs. as a whole, h a d a n SMR of 77, m o r t a l i t y i n 1971; o w n e r - o c c u p i e r s , p r i v a t e t e n a n t s 81, and l o c a l a u t h o r i t y t e n a n t s 97. On t h e w h o l e t h e m o r t a l i t y l e v e l of t h e s e g r o u p s a p p e a r s t o i n c r e a s e over time. is as would be expected since the women resident in This private h o u s e h o l d s i n 1971 were ' s e l e c t e d ' f o r g o o d h e a l t h ; t h e less h e a l t h y women w i l l h a v e b e e n i n h o s p i t a l . the differentials over thc T h e r e a p p e a r s t o be a w i d e n i n g of period. o c c u p i e r s w i t h cars and t h o s e w i t h o u t ; This occurs b e t w e e n owner- also between p r i v a t e t e n a n t s w i t h and w i t h o u t c a r s ; and a l s o b e t w e e n t h e two ' e x t r e m e ' g r o u p s . As mentioned in Section 4, the age s t r u c t u r e s of the subgroups i d e n t i f i e d b y t h e i r h o u s i n g t e n u r e a n d car c h a r a c t e r i s t i c s were v e r y different. F i g u r e 12 s h o w s t h e m o r t a l i t y 1971-81 g r o u p s 15-59, housing 60-74, of women i n age a n d 75 a n d o v e r a t d e a t h , by t h e i r h o u s e h o l d and characteristics in 1971. Concentrating on the women r e s i d e n t i n p r i v a t e h o u s e h o l d s we see a m o r t a l i t y g r a d i e n t f o r a l l three age groups, but the d i f f e r e n t i a l s appear to be greater a t 53. 31. The display f o r women aged 15-59 a t d e a t h i n d i c a t e s younger ages. thar, owner occupiers had a clear advantage i n trirrns local private authorit:{ tenants, with t.he SMR b e t w e m t h a t of' the two ot.hcr 1,''nlires. tenure d i f f e r e n t i a l s j3 of of m o r t a l i t y over tenants lying More s t r i k i n g than these t,hc large ( l i f f e r e n t i a l w i t h i n a n y of the 3 tcnure groups between women iil hc~useholds w i t h and without a c a r . For example, the S M R 1971-41 of women i n owner occupied housing w i t h a car was 77, while t h a t o f women i n the same housing tenure b u t without a c a r was 102; f o r l o c a l authority tenants the SMRs were 96 and 736 for those with and 'without cars respectively. Thus comparing t h e two 'extreme' groups we have an SMR almost 80% higher :irnong the local authority tenants without a car than the owner occupiers w i t h a c a r . Among women 60-74 a t death we a l s o observe a c l e a r m o r t a l i t y g r a d i e n t by these household and housine characteristics, although the d i f f e r e n t i a l s were s l i g h t l y less than f o r women aged 15-59 a t d e a t h . The 'extreme' groups had SMRs of' I?O and 117 for owner occupiers w i t h a c a r and council tenants without a car r e s p e c t i v e l y . Again, there was a marked d i f f e r e n c e w i t h i n a given tenure between those w i t h and w j t h n u t a car. The d i f f e r e n c e s i n m o r t a l i t y a t ages 75 and over a r e s t i l l apparent, b u t much smaller than a t younger ages. The SMRs range between 90 f o r women i n owner occupied housing w i t h a c a r and 102 for women i n l o c a l a u t h o r i t y housing w i t h no c a r . i t ! ':umrnary, :igr SMRs 1rwk ,it the: tlif'f'ereriti;iJ:; illi(! t,r,cnds t h a t w e o b s e r v e d i n L h e a l L-- f'or t h r ~s i x t,enure-carl :;libgroups are s t i l l apparent wlien n a r r o w e r age range:;; tieiice, b!f t h e y c a n n o t merely b e a r i s ~ r i g o u t of t h e d i f f e r e n t age s t r u c t u r e s of t h e s u b g r o u p s . 6. DTSCIJSSION 'I'h is paper h a s a t t e m p t e d wlijch dif'fer t o i d e n t i f y groups of the female p o p i l l a t , i o n i n t h e i r l e v e l s of m o r t a l i t y . (.tint,,ir:t,eri::tic~ o f the individuals: own We have u s e d two main social class (based on x 33. occupational information), a and combined tenure and c a r a v a i l a b i l i t y information. measure using housing These measures i d e n t i f y , i f very crudely, groups t h a t d i f f e r i n terms of t h e i r s o c i a l status, t h e i r economic resources, t h e i r living and working conditons, and a t t i t u d e s and behaviour. Both of analysis these measures does have indicate the limitations, existence despite but, of clear mortality d i f f e r e n t i a l s i n the period 1971-81; differentials to appear generalisation, widen over this, our socio-economic i n some cases t h e s e the 10 years. As the r e s u l t s i n d i c a t e t h a t women c l a s s i f i e d a to the non-manual occupations (on the b a s i s of c u r r e n t or most recent j o b ) , or women 1iving household:; with advantage, as allocated to a far in owner-occupied accommodation car available use) as manual mortality occupation::, for is or have concerned, living in ( especially a considerable over those local women authority housing. The following paragraphs will summarise some o f the f i n d i n g s and draw a t t e n t i o n t o problems i n the i n t e r p r e t a t i o n of the r e s u l t s . Own S o c i a l Class We observe low r e l a t i v e mortality 1971-81 among the women who could b e a l l o c a t e d to S o c i a l Classes I--V (on the b a s i s of t h e i r own c u r r e n t o r most recent occupation); the mortality was lowest a t t h e beginning 34 of t h e 7 0 - y e a r p e r i o d a n d t h e n rose g r a d u a l l y . This 'healthy worker e f f e c t ' is also s e e n when we look a t t h e m o r t a l i t y of women c u r r e n t l y i n p a i d employment. The m a n u a l a n d t h e non-manual s o c i a l classes d i s p l a y v e r y d i f f e r e n t The r e l a t i v e mortali t,y of women c l a s s i f i e d t o non-manual patterns. o c c u p a t i o n s ( d o m i n a t e d n u m e r i c a l l y by t h o s e i n Social Class IIIN) was l o w , a n SMR of a r o u n d 8 0 , t h r o u g h o u t 1971-81. However, t h e r e l a t i v e m o r t a l i t y of t h e women i n m a n u a l o c c u p a t i o n s ( c o n c e n t r a t e d i n Social Class IV) was h i g h e r ( e x c e p t i n 1 9 7 1 ) a n d i n c r e a s e d over t h e 1 0 - y e a r p e r i o d from an SMR of 88 f o r 1971-75 t o 103 f o r 1976-81, diverging q u i t e c o n s i d e r a b l y from t h e SMRs :for women i n non-manual j o b s . T h e s e f i n d i n g s r e l a t e t o women d y i n g a t ages 15-59 a n d a l t h o u g h t h e y are p a r t i c u l a r l y p r o n o u n c e d among t h i s age r a n g e , similar c o n c l u s i o n s c a n b e d r a w n c o n c e r n i n g o l d e r women. These r e s u l t s s u g g e s t t h a t women's own s o c i a l class does identify subgroups w i t h d i f f e r e n t l e v e l s and t r e n d s i n m o r t a l i t y ; the social lower classes h a d a worse, and worsening, women i n mortality p r o s p e c t t h a n women i n h i g h e r s o c i a l classes. The residual 'permanently groups, the sick') and unoccupied those (mainly housewives, with 'inadequately and the described' o c c u p a t i o n s ( i n c l u d i n g many acute h o s p i t a l p a t i e n t s ) , b o t h had h i g h mortality in 1971-81, following t e n y e a r s . highest in 1971 and decreasing over the 35. Although s o c i a l c l a s s information has here enabled u s t o i d e n t i f y subgroups of the female population different with levels of m o r t a l i t y , there a r e arguments f o r avoiding using occupation and the Registrar General's S o c i a l Classes i n the c l a s s i f i c a t i o n of women. It is a system of social classification which was developed f o r use w i t h men's lives and experiences, originally and t h e r e a r e many reasons not t o r o u t i n e l y apply t h e i d e n t i c a l system t o women. 1 . A high proportion of women 15-59 a r e not i n paid employment, and therefore cannot be c l a s s i f i e d according t o current occupation. Housewives a r e o f t e n not provide information on required most (as i n recent the 1971 C e n s u s ) occupation. Women to past retirement age o f t e n f a i l t o give information on past occupation, and so cannot be c l a s s i f i e d . Also w i t h the current very high unemployment l e v e l s ( a s well a s e a r l y r e t i r e m e n t , e t c . ) i t seems increasingly inappropriate to use occupation as a way of c l a s s i f y i n g anyone t o a s o c i a l c l a s s . 2. A woman's occupation may not r e f l e c t her way of l i f e i n the same way a s i t is suggested t h a t a inan's occupation r e f l e c t s h i s . cannot satisfactorily sum up women's lives by their One paid employment, e s p e c i a l l y i f t h e y have c h i l d r e n , e l d e r l y dependents e t c t o care f o r . 36. 3. Women have very d i f f e r e n t e m p l o y m e n t p a t t e r n s from men. Women h a v e i n t e r r u p t e d c a r e e r s i n t h e j o b market, o f t e n s t o p p i n g p a i d employment to have c h i l d r e n , and then returning to the labour market a t a l a t e r d a t e , p o s s i b l y w o r k i n g p a r t - t i m e o r from home, and i n a v e r y d i f f e r e n t area of c m p l o y m e n t because of t h e n e e d t o c o m b i n e p a i d work w i t h looking a f t e r t h e c h i l d r e n a n d home. c o n t r a s t s w i t h men who, This u n t i l t h e c u r r e n t r e c e s s i o n , have tended t o b e i n p a i d employment t h r o u g h o u t t h e i r working l i v e s , o f t e n i n t h e same o r s i m i l a r work 4 . The Registrar 2 . G e n e r a l ' s Social Classes were o r i g i n a l l y d e s i g n e d for use w i t h male o c c u p a t i o n s a n d employment p a t t e r n s ( S z r e t e r , 1984). T h e c l a s s i f i c a t i o n was e m p i r i c a l l y d e r i v e d and, i t has b e e n a r g u e d t h a t , t h e a l l o c a t i o n of o c c u p a t i o n s t o c e r t a i n classes was d o n e p a r t i a l l y w i t h t h e p u r p o s e of g i v i n g c l e a r a n d s t e a d y male m o r t a l i t y 1984). gradients People with v e r y by social class ( J o n e s and d i f ' f e r e n t l i f e s t y l e s and g r o u p e d together i n t h e same c l a s s . Cameron, income are T h i s c l a s s i f i c a t i o n does n o t d i f f e r e n t i a t e a d e q u a t e l y b e t w e e n women's j o b s , a n d we f i n d a h i g h p r o p o r t i o n o f women i n p a i d occupational groups. e m p l o y m e n t a r e c o n c e n t r a t e d i n a few I n t h e 1 3 , of t h e 53% of women 15-59 i n 1971 who were c l a s s i f i a b l e t o a social class, 40% were i n Social Class IIIN a n d 26% i n Social Class IV ( T a b l e 3 )3 . 37 Housing t e n u r e and car availability In some ways information on household and housing c h a r a c t e r i s t i c s overcomes some of social the problems classification. (of using Housing tenure an occupationally-based and car availability are c h a r a c t e r i s t i c s which can be ascertained for a l l persons i n p r i v a t e accommodation, regardless of age o r employment s t a t u s . excluding population the in non-private However, by from households this c l a s s i f i c a t i o n we a r e concentrating on a healthy subset of the t o t a l population. Within the population r e s i d e n t i n p r i v a t e households, a c q u i s i t i o n of c e r t a i n of the chariic t e r i s t i c s being considered can be related To some e x t e n t t h e r e w i l l b e a s e l e c t i o n of t o health. healthier people t o ‘with car’ households, s i n c e t h e s e households w i l l contain a t l e a s t one person who i s able t o drive. are unable t o drive due t o i l l - h e a l t h , Some people People may be e l i g i b l e f o r council housing a s a r e s u l t of i l l - h e a l t h , d i s a b i l i t i e s e t c . ‘There have been distribution of owner-occupied considerable households by sector cklanges over housing tenure, primarily a t recent years in the an i n c r e a s e i n the the expense of the privately- rented s e c t o r , and a s a r e s u l t , the ‘meanings’ attached t o d i f f e r e n t housing tenures have changed a great overalL increase i n c a r ownership. deal. There has been an 2) 38. Another point worth noting i s t h a t w i t h i n any given household i t is often the case t h a t c e r t a i n things, f o r example food, l e i s u r e time, access the car e t c . to members, a r e not shared usually t o the disadvantage of equally between household the women. So i t seems l i k e l y t h a t w i t h i n a given group i d e n t i f i e d by i t s housing tenure and car a v a i l a b i l i t y the women t e n d t o be disadvantaged as compared t o the men of any household. With these reservations i n mind, we w i l l now summarise t h e key r e s u l t s of the a n a l y s i s of mortaj-ity d i f f e r e n t i a l s by household and housing c h a r a c t e r i s t i c s . Housing tenure and c a r a v a i l a b i l i t y do appear t o i d e n t i f y groups w i t h different l e v e l s of between the 'extreme' mortality 1971-81, with a clear differential groups; women i n owner occupied accommodation w i t h a c a r had a considerable advantage i n terms of m o r t a l i t y over the women car). i n l o c a l a u t h o r i t y housing ( e s p e c i a l l y those without a Although t r u e for a l l age groups, these d i f f e r e n t i a l s were very wide i n the age range 15-59 a t death, and then narrower f o r o l d e r age groups. '-, 39. W i t h i n a n y t e n u r e g r o u p , w h e t h e r t h e h o u s e h o l d h a s a car or n o t seems t o i d e n t i f y s u b g r o u p s w i t h a d i f f e r c n t l e v e l of m o r t a l i t y , t h e g r o u p s with cars without having . a considerable mortality advantage over those T h e m o r t a l i t y of t h e ' w i t h c a r ' g r o u p s s t a y e d r e a s o n a b l y s t a t i c o v e r t h e p e r i o d 19'11-81, w h i l r > t h a t of t h e groups w i t h o u t c a r s T h e m o r t a l i t y d i f f e r <n i , i a l b e t w e e n t h e ' c a r ' a n d t h e 'no- increased. c a r ' groups war, v e r y w i d e i n t h r > g r o u p 15-59 a t d e a t h , b u t t h e n il\<f? decreased a t o l d e r ages. Amongst t h e e l d e r l y , 'with' and ' w i t h o u t ' l i k e l y t o own t h e i r own cars, E l d e r l y women are .LPSS distinction. s o o n e could h y p o t h e s i s e in those that c a r s becomes a n i m p o r t a n t h o u s e h o l d s w i t h c a r s are l i k e l y t o b e l i v i n g w i t h younger. r e l a t i v e s ( p o s s i b l y b e c a u s e of ill Women i n h o u s e h o l d s w i L h o u t c a r s a r e more l i k e l y t o b e health). l i v i n g o n t h e i r own a n d t h e r e f o r e are p r o b a b l y more h e a l t h y . Among women l i v i n g a l o n e there will be more of a s e l e c t i o n e f f e c t o f t h e less healthy healthy women women contributing to e l d e r l y women, this issue, as the into hospital:;, residents. private lack of much a s s e e n i n T a b l e 3. i t would b e u s e f u l living alone, those relatives or friends. homes living with etc., leaving These effects mortality differential the may more be amongst To s h e d some f u r t h e r l i g h t o n t o a l s o d i s t i n g u i s h b e t w e e n Women a spouse, and those l i v i n g w i t h 40. As m e n t i o n e d e a r l i e r t h e c l a s s i f i c a t i o n by h o u s i n g t e n u r e a n d car a v a i l a b i l i t y a p p l i e s o n l y t o women r e s i d e n t i n p r i v a t e h o u s e h o l d s . Hence, t h e a b o v e m o r t a l i t y d i f f e r e n t i a l s m u s t b e v i e w e d a l o n g s i d e t h e The mortality h i g h m o r t a l i t y of t h e women i n n o n - p r i v a t e h o u s e h o l d s . is v e r y h i g h i.n 1 9 7 1 a n d d e c r e a s e s s l o w l y over t h e of t h i s s u b - g r o u p f o l l o w i n g 70 y e a r p e r i o d , b u t rtwaining h i g h t h r o u g h o u t . W e conclude which we that, have despite at look to used limitations the of characteristics the socio-economic differentials in m o r t a l i t y among womcri i n t h e LS s a m p l e , we h a v e i d e n t i f i e d s u b g r o u p s of the population with very different mortality experience. The s o c i a l class c l a s s i f i c a t i o n s i n d i c a t e d much h i g h e r m o r t a l i t y among women to classified manual to classified non-manual occupations occupations. as compared with those The classification using h o u s e h o l d a n d h o u s i n g c h a r a c t e r i s t i c s showed much h i g h e r m o r t a l i t y among women occupied i n local housing. households with, a u t h o r i t y accommodation Within any and w i t h o u t , tenure t h a n women i n o w n e r category a comparison of c a r s , showed t h e l a t t e r t o have much higher m o r t a l i t y . I n a l l cases t h e s o c i o - e c o n o m i c d i f f e r e n t i a l s i n mortality appeared t o i n c r e a s e over t h e time p e r i o d u n d e r c o n s i d e r a t i o n , 1971-81. These i n c r e a s i n g d i f f e r e n t i a l s can b e l a r g e l y a t t r i b u t e d t o i n c r e a s e s i n the relative authority mortality tenants, (depending on which and of ilnanual the the variable women is in being social the local without cars classes, households considered). One p o s s i b l e 41 i n t e r p r e t a t i o n of these r e s u l t s i s t h a t there i s more of a health- r e l a t e d s e l e c t i o n e f f e c t ( f o r good h e a l t h ) operating among these sub- groups, than i n the remaining sub-groups. Throughout, the d i f f e r e n t i a l s were ~ . ~ . : : a t e si tn t h e age range 15-59, narrower i n t h e e a r l y retirement age:;, and small among women aged 75 and above a t death. F u r t h e r a n a l y s i s using information on cause-specific m o r t a l i t y may l i g h t on the nature and e x t e n t of t h e mortality s h e d some f u r t h e r d i f f e r e n t i a l s we have observed. f i t models trends in Also, i t may prove b e n e f i c i a l t o t o t h e data i n an attempt t o a s s e s s t h e evidence f o r mortality over the 10-year period. In the present analysis we have l i m i t e d ourselves t o looking a t the p o i n t estimates f o r i n d i v i d u a l y e a r s ( F i g s 7 and 1 1 ) . 42. Eotes 1. The age range 15-64 s u i t a b l e r a n g e 15-59) has b e e n u s e d here ( r a t h e r t h a n t h e more b e c a u s e t h a t is t h e r a n g e for w h i c h t h e s e s t a t i s t i c s were p u b l i s h e d . 2. O t h e r p o i n t s w o r t h c o n s i d e r i n g i n r e l a t i o n t o women's work are: ( a ) the extent of voluntary work u n d e r t a k e n by women, w h i c h b e i n g u n p a i d will n o t b e m e n t i o n e d on t h e c e n s u s form; ( b ) 'of'f t h e record' work w h i c h women would n o t admit t o o n t h e c e n s u s form; ( c ) seasonal work, including c e r t a i n times of t h e y e a r work w h i c h i s o n l y (e.g. available at women w o r k i n g as c l e a n e r s , domestics, e t c . i n educational e s t a b l i s h m e n t s ; work c o n n e c t e d up i n the school h o l i d a y s so t h a t t h e y c a n look a f t e r t h e c h i l d r e n . It with tourism), a n d a l s o work w h i c h women g i v e i s worth n o t i n g t h a t t h e 1971 C e n s u s was t a k e n i n t h e s c h o o l holidays. 3. Of t h e 550 occupational u n i t s , i n 1979 t h e ' t o p 1 2 ' u n i t s ( i n terms of numbers o f d e a t h s ) a c c o u n t e d f o r a b o u t 60% of d e a t h s t o --,. 43. women aged 15-64 I (McDowell, 1983). Among men t h e i r ' t o p 12' u n i t s only accounted f o r one t h i r d of deaths. Most o f the deaths t o women ocurred i n the groups ' o t h e r c l e r k s and c a s h i e r s ( n o t r e t a i l ) ' a n d 'typists, shorthand w r i t e r s ' . T h e 550 u n i t s a r e condensed i n t o 1 7 occupational o r d e r s ; most of the women a r e concentrated i n f o u r of these o r d e r s . The Decennial Suppiement based round t h e 1981 Census ( c u r r e n t l y being w r i t t e n ) has gone some way towards r e c t i f y i n g t h i s problem by redefining the occupational orders t o be u s e d f o r women i n such a way as (McDowell, 1 9 8 2 ) . and women.) to reduce some of the excessive concentration (Previously the same orders have been used f o r men However, t h i s does not change t h e R e g i s t r a r General's Social Class c l a s s i f i c a t i o n . 44. REFERENCES 1. Fox A J and Goldblatt P 0 (1982). Socio-Demographic Mortality Differentials: Longitudinal Study 1971-75, Series LS no 1, HMSO, London. A J, Goldblatt P 0 and Adelstein, A M (1982). Selection and mortality differentials. Journal o f Epidemjoloqy and Communitv Health, V o l 36, no 2; pp 69-79. 2 . Fox P 0 and Jonea D It (1985). Social clase mortality differentials: artefact, selection o r life circumstances? Journal of Eoidemioloay and Community Health, (jn press). 3. Fox A J, Goldblatt 4. Gladen B C and Rogan W J (1983). graphing rate ratios. American Journal o f Epidemioloqy 110, 6 ; pp 905-908. lJri - 5 . Jones I G and Cameron 0 to epidemiology. 6. (1984). Social clasa analysis an embarrassment Community Medicine, Vol 6, no 1; pp 37-46. Macfarlane A (1980). Official statistics and women's health and illness. Equal Opportunities Commission Research Bulletin, no 4; pp 43-77: EOC, Manchester. 7. McDowall M (1983). Meaauring women '3 occupational mortality. Trends no 34; pp 25-29. Population 8. Mitchell J (1984). What is to be Done About Illness and Health? Crisis in the Eiahties. Penguin Books. K A end Goldblatt P 0 (1984). Mortality o f women in institutions and private householda using data from the OPCS Longitudinal Study. SSRU Working Paper No 14. 9. Moser 10. Moser K A, Fox A J and Jones D R (1984). Unemployment and mortality in the OPCS Longitudinal Study. The Lancet, December 8 1984; pp 1324-1328. 11. Registrar General (1978). Occupational Mortality 1970-1972. Sumlement, Series DS no 1, HMSO, London. 12. Roberts H (1979). Women, social class and IUD use. International Quarterly, Vol 2; pp 49-56. Decennial Women's Studies 13. Roman E, Beral V and Inskip H (1984). Occupational mortality of women in England and Wales (unpublished). 14. Szreter 5 R S (1984). The genesis o f the Registrar General's social claaaification o f occupations. Jhe British Journal o f Socioloqy, vol no4. XXXV, 15. Vandenbroucke J P (1982). A shortcut method for calculating the 951 confidence interval of the' standardised mortality ratio. Epidemioloqy, 115: 2; pp 303-304, 16. Wen C P, Tsai S P and Gibaon R L (19133). a critical review. American Journal of Anatomy o f the healthy worker effect: Journal of Occupational Medicine, vol 25; no 4. Table la Distribution o f rarriard women aged 15-59 mccordirg to their oun end their husband's s o c i r l rlaee (1871) Married Married women classified by own social class wmen Social C l w - ~ . I-U classified by husband's social class Residual groups* Total S o c i a l Class I-V 43.6 (46234) 3.5 (3736) 47.2 (49970) Residual groups* 48.5 (51361) 4.4 (4644) 52.8 (56005) 92.1 7.9 (97595) (0380) 100.0 (105975) Total *Residual groups comprise armed forces, inadequately described occupations, and unoccupied. (NI T a b l e 2: Dlrtrlbutlon of marrled uomen aged 15-59 t o thelr own and thslr husband's occupat classlfled Into Soclal Classes I t o V on of thelr orn and thelr husband's occupat accord1 ng on; women the bas I s on only (1971 1 M n r r l e d w m 0 n c l a s s l f l e d by husband's social c l a s s M a r r l e d wmen c l a s s l f l e d b y own soclal c l a s s 1 I I IN IIIM I 0.3 0.4 0.1 0.1 II 1.6 6.7 2.0 3.5 IV V 0.8 (392) 1.4 0.3 15.6 (71 78) I1 IN 2.4 8.2 6.9 13.5 4.6 1.1 36.7 ( 16978) I I IM 0.2 0.9 0.8 5.2 2.0 0.7 9.8 (4539) IV 0.5 2.7 2.2 13.6 7.0 2.3 28.2 (13029) V 0.1 0.4 0.5 4.3 2.4 1.2 8.9 (41 18) Total % N 4.9 (2272) 19.3 (8920) il2.5 40.3 (9773) (18652) 17.4 (8041) 5.6 (2576) 100.0 (46234) i . Percentage distribution i n 1971 o f roren mnd m e n Table 3:' o f r o r k i n g ages by orn Social class in 1971 [S.C. social clmss (LS) Women aged 1.5-59 Men aged 15-64 I n.5 4.8 I1 8.7 16.2 IIIN 21.2 10.8 IIIM 5.3 35.6 IV 13.7 15.9 v 3.6 6.9 I-VI r53.01 c90.21 Armed forces 0.1 1.2 Inadequately described 2.9 1.6 Unoccupied 44.1 - 7.1 - Total 100.1 100.1 (145520) (161699) Table 4: Mortality o f uomeri aged 15-59 at death, and econollc posltlon In 1 9 7 1 by y e a r of death Year o f death Economic position I n 1971 , - 1971-75 81 175-871 (692) In employment Out of employment - O u t of employment - seeking work 1976-81 87 181-941 (732) 425 1311-5561 (481 250 I 1 57-365 1 (23) 83 151-1241 (211 97 [61-1421 (23) Ret I r e d 143 1101-1941 (38) 203 [ 130-293 1 (25) Permanently slck 51 2 [417-618 1 ( 1 04) 532 [410-670 1 (67 1 96 [55-1471 95 156-1451 (17) (18) slck S t udet i t I nact I ve TOTAL SMR [approx. 95% conf ldenca interval I (observed deaths) 106 [98-1151 (637) 105 [96-1141 (594 1 too 100 (1557) (1482) x Table 5: M o r t a l I t y of uomen by age at death year o f death and economic p o s i t i o n I n 1971 Age at death Econunic posltlon I n 1971 15-59 75 and over 60-74 c_I In employment 1971 -75 1976-81 Out of employment 1971 -75 81 (692) 87 (732) - slck 1976-81 Out o f employment 1971 -75 1976-81 67 (524) 06 (1216) - seeklng work Rot 1 red 1971 -75 1976-81 425 (48) 250 (23) 224 (19) 231 (39) 100 ( 2 ) 121 (4) 03 (21) 97 ( 2 3 ) 103 (24) 105 (40) 115 (13) 57 ( 1 3 ) 143 (38) 203 ( 2 5 ) 109 (1800) 109 (1087) 101 15640) 512 (104) 512 (67) 381 (139) 268 (129) 204 (132) 140 (72) - - 104 (5035) Permanent I y s f ck 1971 -75 1976-81 Student 1971 -75 1976-81 96 (17) 95 (10) - (0) (0) (0) (0) 1 nact 1 ve 1971 -75 1976-81 SMR (observed deaths) 106 (637) 105 (5941 99 (1657) 100 (1737) 93 (2570) 100 (3592) '- Table 6 r mortality o f momen aged 13-59 at death by year mf demth and own socfal clams fn 1971 Year OF d e a t h Social Class i n 1971 1971-75 S o c i a l Class I & I1 S o c i a l Class IIIN 1976-81 eo r66-961 79 [65-941 (122) (1161 79 [69-901 77 [67-871 (234) (236) 110 EBB-1353 (90) S o c i a l Class IIIM 90 [70-111] (78) Social Clsss IV 94 [82-l06I (237) S o c i a l Class V 70 [53-903 (56) 102 c8o-ize1 (72) I .D. 136 [106-171] (70) 124 [91-1621 (491 Unoccupied 119 [110-1271 114[ 105-123 I (679) (756) TOTAL 100 (1557) SMR [approx. 95% c o n f i d e n c e i n t e r v a l 1 (observed deaths) There were no d e a t h s t o women i n the armed rorcee. There were 102 such women i n t h e sample i n 1971. 100 (1482 Table 7 t l l o r t a l i t y a f women by age at death, year o f death and QUN s o c i a l class in 1971 Age a t d e a t Socinl Class i n 1971 15-59 60-74 75 and over S o c i a l Class I & 11 1971-75 1976-81 80 (122) 79 (116) 84 (214) 82 (264) 89 (288) 96 (424) S o c i a l Class IIIN 1971-75 1976-81 79 (236) 77 (234) 74 (251) 84 (407) 86 (196) 86 ( 3 4 9 ) S o c i e l Class IIIM 1971-75 1976-81 90 (78) 110 (90) 112 (155) 95 (177) 107 (178) 107 (228) S o c i a l Class I V 1971-75 1976-81 94 ( 2 3 7 ) 101 (242) 76 ( 2 8 2 ) 96 (512) 103 (285) 99 (427) S o c i o l Class V 1971-75 1.976-81 70 ( 5 6 ) 102 ( 7 2 ) 83 ( 1 3 2 ) 100 (218) 97 (89) 107 (188) 136 (70: 124 (49: 112 (1333) 111 (803) 105 (4072) 101 (4396) 119 (75El) 114 (679) 105 (1796) 105 (1866) 95 (2702) 100 (3664) Inadequately d e s c r i b e d 1971-75 1976-8 1 Unoccupied 1971-75 1976-81 SMR (observed d e e t h s ) Table 8 : Mortalfty of women b y year o f d e a t h a n d household a n d h o r s l n g charscterlstlcs In 1971 ( a l l a g e s a t d e a t h ) Year of death Housing c h a r a c t e r l s t l c s 1971-75 1976-81 85 [81-881 84 [80-871 (2351 ) (2918 ) Owner occuplers w i t h o u t car 80 185-921 (3237 ) 96 I93-991 (3964 1 P r 1 vate tenants w 1 t h c a r ( s ) 94 186-1031 93 I86-101 I (618) Owner occupler-s w i t h c a r ( s f (500) f’r 1 v a t e tenants w i t h o u t car Local a u t h o r l t y tenants w l t h c a r ( s ) Local a u l l m - I t y tenants w i t h o u t car V i s 1 t o r s I n p r i v a t e households Enumerated I n non-prlvate households 94 [go-981 (2150) 109 [105-1131 (2716) 101 193-1091 (61 7) 98 t91-1051 106 1102-1 101 ( 2906 1 (791 ) 112 1109-1161 (3564 1 92 t80-1041 91 I80-1031 (232) (253) 21 8 t208-229 1 (1615) 149 1138-161 1 (632) ~ SMR [approx. 95% conf ldence I n t e r v a l I (observed deaths) There were 39 deaths 1971-31, among women r e s i d e n t I n p r i v a t e housoholds, f o r whom we have no I n f o r m a t i o n on hous,lng tenure. x TebIe 9 : Rortmlity af uomen by rqe a t death, year o f death and household mmd housing charsctsristfcs i n 1971 Age a t d e a t h ilnusinq c h o r n c t e r i s t i c s Under 15 Owner o c c u p i e r s with c a r ( s ) 1971-75 1976-01 74 ( 2 2 ) 03 (9) Owner o c c u p i e r s w i t h o u t car 1971-75 1376-01 71 ( 6 ) 63 ( 2 ) 15-59 60-74 75 and o v e r 91 (1058) 89 (1438) 77 (465) 78 ( 4 8 3 ) 100 (178) 87 ( 9 3 5 ) 97 (882) 88 (113) 83 (102) 94 (183) 90 ( 2 4 2 ) 117 (146) 136 (135) 100 (656) 119 (667) 89 (1340) 104 (1910) 93 (211) 98 (237) 1.05 (207) 96 (303) 101 (180) 99 (245) 133 (351) 139 (347) 113 (1010) 120 (990) 97 (1533) 106 (2224) (0) 106 (10) 89 (7) 119 (79) 84 (41) 81 (143) 93 (205) Enumerated i n n o n - p r i v a t e households 1971-75 1500 ( 6 ) 1976-8 1 1000 (1) 371 ( 9 1 ) 181 (37) 321 (280) 182 (126) 197 (1238) 140 (468) P r i v a t e t e n a n t s with c a r ( s ) 1971-75 1976-Ul 48 ( 3 ) 83 ( 2 ) P r i v a t e t e n a n t s w i t h o u t car 15271-75 154 (A) 200 ( 4 ) 1776-81 L o c a l a u t h o r i t y tenants w i t h 1771-75 1 ‘J7h-0 1 car(s) 172 ( 1 7 ) 171 ( 6 ) Local authority tenants without SMR (observed d e a t h s ) 89 (2111) 95 (2702) 100 (201) 101 (272) car 88 ( 1 2 ) 63 ( 3 ) 1971-75 I 37 6-E 1 Visitors i n p r i v a t e households 1971-75 1376-0 1 96 ( 1 8 5 ) - (0) F I G U R E 1: D i o t r i b u t i o n o f women b y a g e and e c o n o m i c p o e i t i o n i n 1 9 7 1 --... -----f IGURE 5: Djntrihution o f women by age and h fit1 D o h o 1 d a n d h a us i r i cj c h a r a c t e r i s t i c s iri 1971 FIGURE 4 : Mortality 1371-81 I.,f xamen aged 15-59 a t d e a t h b y economic p o s i t i o n i n 1371 c- I I t 1 i 1 1 1 I 1 T I I I I & I 1 1 I JL T I I I ... ,.. *..-...*,..I. 1 ..,.- . _ .. *.A,."- .... T ,,.,. t I I - 1 . I 0 1 I 1 Q L I I I 1 I I I I J. 1 I 1 I c- z > c 2 m 3 ...- .. .A. s m * . I FIGURE 5: M o r t n l l t y 1171-01 of women I n age groups 15-59, 60-74, and 75 and over a t death by oconmlc poslfiori I n 1971 T I 1 x I 1 1 It I + 1 I 1 I f 11 I I I * 7 ' I I I T ' 1 I LI \ I I b 1 T I I + I I 1 L \ I t L , . . . . , . . . . ,.,. ... , . ;f . . , ._,,.,...I r a - . . . - . .. Q ,,. ... ..., ..k Cv3..L L FIG'IRE ~- .-6 : M o r t a l 1 t y lQ71-81 o f women aged 15-59 a t d e a t h by own s o c i a l c l a s s In 1971 200 f I IS0 I I 0 I I I T 1 J - ............................... I .......... T + . . . i T I I - * I I T 80 r I ." T" T 4 L . . ........................... * I I i I I 1 I L 60 tr, , r' 1-1 P b h P C Z 0 F: C z m P I-IGIJPC 7 : ___- Eurtall t y of wmen agod 15-59 death by year o f dnnth (annual SMRs) and own ,ocial c l a s s I n 1 0 7 1 ; nun-manual, manual and uri m u p l e d T L I ...... .. . .. . -".r... . . - . . a . . i L C z O r r c ? F' t x I I I 1 I I 4 I I 4 I I , I 1 I 4 w I I d I I I I I I I I I I I I I I I 8 I I I I t I r I I I I I I m f I I 9 *I) I r .- I 1 I ? I $; 1 t 1 2 1 I I I I I I I I I 1 I I I 1 I fl b) I f ' [FIGURE b r t a l l t y 1971-0' of women i n age groups 15-59, and 75 an,! o v q r a t death by own soclel c l a s s In 1971 ; non-mnn*;r,l, manual, Inadequately descrlbed, 9: 60-74, and unoccupl fld T I I 1 I 1 7 T & 1. .T. ,.. . .. . _ . _ _ ,.. _ .,.. ~ , . ..._._..I_ ! r ,... J- 1 4 T d 1 T ..-a . I . I.... ---- y 3 ; T .....,--A-. * - A "-3r b 1 2 i J- 60 b r- =L" +3 c E r t W rn m c - m 0 F I G U H E 10: M o r t a l i t y 1.'171-81 o f w o m e n ( a l l a g e s a t d e a t h ) b y h o u s e h n b l : r n d h o u s i n g c h a r a c t e r i s t i c s in 1971 2 $0 T 200 0 1 ' I50 LOO - . . . . . I -..,. . . .. ... ...'7"'""'3..' F L 80 +1 ..I. L .I&* ,.,,..... .......'T. .. . ...-..- .. - * L i L I 60 2 FIGURE 1 1 : Mortality of women (a1 I ages at death) by year of death (annual SMRs) and household and houslng characterlstlcs in 1971 \ ..(.,...., ,,.,-. . . . . . . , . I . . .... ... . . - r F1,;IJRE _-_ Mortailty 1971-81 of w m n In age groups 15-59, 12: 60-74, nnd 7 5 and over at d e a t h by h o i r s e h o l d and hou5lng characturlstlcs In 1971 . t i . . .. i .. .* . I ‘ . 1 0 : , IS - sq t i