working paper department of economics CIGARETTE SMOKING AMONG WOMEN AND MEN IN THE UNITED STATES, 1900-1979* Jeffrey E. Harris Number 264 August 1980 massachusetts institute of " I technology 50 memorial drive Cambridge, mass. 02139 CIGARETTE SMOKING AMONG WOMEN AND MEN IN THE UNITED STATES, 1900-1979* Jeffrey E. Harris Number 264 August 19 80 *To appear in: The Health Consequences of Smoking for Women, A Report of the Surgeon General U.S. Department of Health and Human Services, Office of the Assistant Secretary for Health, Washington, D.C., 1980. . Author address & phone Massachusetts Institute of Technology E52-171 Cambridge, MA. 02139 617-253-2677 Digitized by the Internet Archive in 2011 with funding from IVIIT Libraries r http://www.archive.org/details/cigarettesmoking264harr -2- TABLE OF CONTENTS List of Figures List of Tables Introduction The Rise of Cigarette Smoking: 1900-1950 The Emergence of Filtertip Cigarettes: 1951-1963 Increasing Public Health Awareness: 1964-1979 Exposure to Cigarette Smoke Among Successive Birth Cohorts Cigarette Smoking among Young Women Summary References J.HARRIS DRAFT -3- LIST OF FIGURES Figure 1, Annual consumption cigarettes of filtertip and cigarettes per person aged 18 years and over, 1900-1979, Figure 2. Percentage of adult current cigarette smokers in the greater Milwaukee area, 1924-1979, Figure 3. Changes in the prevalence of cigarette smoking among successive birth cohorts of men, 1900-1978, Figure 4, Changes in the prevalence of cigarette smoking among successive birth cohorts of women, 1900-1978, Figure 5, Mean age of onset of regular smoking among successive birth cohorts of women and men. Figure 6, Accumulated years of cigarette smoking per person among successive birth cohorts of women and men, 1978, Figure 7, Proportion of years smoking filtertip cigarettes among successive birth cohorts of women and men, 1975, J.HARRIS ; ' ' DRAFT -4- LIST OF TABLES Table 1, Estimates of the Prevalence Among Smoking Surveys, 1935 Table 2. Quitting Adults, - States, Regular Cigarette Selected National 1979. Estimated Among United of of Attempted and Recent Cigarette Smokers, Rates Adult, Successful United States, 1970 - 1979, Table 3, Regular Estimated Percentage Distribution of Adult Cigarette Smokers According to F.T.C. "Tar" Content of Primary Brand, United States, Table 4, Frequency, United States, 1965 5. 1970 - 1979, Estimated Percentage Distribution of Adult Current Cigarette Smokers According to Table Current Reported - Daily Consumption 1979, Estimated Percentage of Current, Regular Cigarette Smokers, Ages 12 - 18, United States, 1968 - 1979, J, HARRIS DRAFT -5- Introduction This chapter traces the evolution of cigarette generations successive among during twentieth the demonstrates century. women that American of women and men evidence available The differed have smoking from men in their historical onset of widespread cigarette use, in the rate of diffusion of smoking among each new birth cohort, intensity cigarette of their in and their use of various smoking, types of cigarettes. conclusions main Four from emerge analysis. this First, although men rapidly took up smoking during the early decades of this century, proportion of adult female the cigarette smokers did not exceed one-quarter until the onset of World War II. among The peak intensity women born after 1920. Second, as past rates of quitting and lower past occurred smoking of a result of higher of rates initiation among men, as well as other changes in the type of cigarette consumed, the smoking characteristics of women and men are now becoming increasingly similar. cigarette smoking among adult declining. This American women and increasing youngest public generation awareness in the nature of the cigarette product. J.HARRIS the is of of women. the health consequences of smoking has resulted in significant about men conclusion applies to all age groups, but with less certainty to the Fourth, Third, the prevalence of effects of these changes Yet little is known product changes on the DRAFT -6- initiation, maintenance cessation and of smoking, particularly among women. Since the last review of cigarette smoking in the Report of the Surgeon General have been performed (26) , two new national surveys under the sponsorship of the National Center for Health Statistics and the National Education. This 1979 chapter relies in part Institute of on the recent, preliminary results of these surveys. J.HARRIS DRAFT -7- The Rise of Cigarette Smoking: 1900 - 1950 Although the use of cigarettes in was observed as early as 1854 (44,50), consumption did not increase dramatically until after 1900. 1, consumption capita per of all As shown in types transient decline during the Great from [INSERT FIGURE a consumption Depression, (52), 1 ABOUT HERE,] nationally continuous, representative series of prevalence rates during the period 1900-1950 is not smoking Nevertheless, numerous sources publicly available. pieced Despite cigarettes per capita in 1920 to 3,522 665 cigarettes per capita in 1950 A Figure cigarettes of increased by more than tenfold from 1900 to 1920. increased States United the can be to characterize the differential growth of together cigarette smoking among women and men. Figure and depicts estimates of the 2 current female percentage smokers cigarette In 1923, first the reported year percent of males aged 18 years and over of male greater the in Milwaukee area, as compiled by the Milwaukee of Journal (40) this survey, 51,8 cigarettes. smoked Sixty percent of male cigarette smokers also smoked pipes or cigars. In total, of tobacco (40) 87 percent of adult males used some type , Although earlier survey estimates of male smoking rates are unavailable, it consumption J.HARRIS prior appears that the rise of cigarette to 1923 reflected both the conversion of DRAFT -8- 5000r 4000 8. S E u CO § o CO 3000 2000 1000 o 1900 '10 '20 ~ '30 . '40 '50 70 '80 year Annual consumption of cigarettes and filtertip Figure 1. cigarettes per person aged 18 years and over, 1900-1979. Total per U.S. Department of Agriculture (52). Source: 1940-79 include 1917-19 and for consumption data capita Total per capita consumption for 1979 overseas forces. Per capita consumption of is preliminary estimate. from annual data on the cigarettes derived filtertip production. of total cigarette filtertip share HARRIS DRAFT -9- established male non-cigarette tobacco smoking and and marketing Innovations I, cigarette in cited as influential been have factors in this rapid growth a cigarette to the recruitment of a new generation of younger male smokers during World War production users (41,50,69), cigarettes, Camel of lighter Burley smoking tobaccos with previously blend dominant Turkish cigarette tobaccos, were introduced, in and months attained within a Two similar national market. brands. Lucky Strike and Chesterfield, followed in 1916 respectively (41,50,69). 1919, Industries Board estimated During World War soldiers that 1-91'3 of and I, the War the Allied consumed 60 to 70 percent more tobacco than they had Armies used in civilian life (30,31), Cigarettes continued to dominate other forms of tobacco 1920 among male smokers throughout the 1935, cigar and and 1930 's. 2) , while the percentages users had declined substantially. cigarette consumption frequency among men smokers from 3,7 1935 (40). packs per 1 and 2). of Average increased week in 1923 to 4.8 packs per week in Consumption among men accelerated during World (Figures By percent of adult males in the greater Milwaukee 62,5 area smoked cigarettes (Figure pipe 's In 1944, more than War II 25 percent of cigarettes produced in the U.S. were distributed to overseas forces (31), typically for free or at low cost (41), to point where J.HARRIS the subsequent shortages developed in the domestic . DRAFT 10- market. By Milwaukee 67.1 1948, confirmed 69,1 of cigarette ^ males adult of area smoked cigarettes (Figure of the prevalence year. percent 2) This estimate . among use the in urban men is by other local consumer surveys performed in that For example, percent in adult male smoking in 1949, Omaha, 67.4 were rates percent in Birmingham, 69,4 percent in Philadelphia, 63.9 percent in Seattle, 63.4 and percent in San Jose (39). [INSERT FIGURE 2 ABOUT HERE,] The growth of cigarette smoking among much later in the face of strong social taboos. noted that "the ultra smart set began smoke to women occurred and women social at the turn of the century." (15, Gottsegen leaders p. 149). By 1906, American "girl stenographers" were reported smoking cigarettes clandestinely (5, p. By 1919, some younger 181). women in New York were reported smoking "with a trace of defiance" cited in (52)). In 1926, a parties 1919, By 1922, New York women were smoking openly (10) The first advertisement showing 1919 dinner (New York Times, March 16, on the streets and in bus tops Lorillard's at publicity young woman in a a woman smoking for Helmar cigarettes Liggett and Myers' was (46,50). Chesterfield advertisement did not smoke but pleaded, "Blow some my way." (6). In April, 1927, a Philip Morris advertisement for Marlboro cigarettes noted that "Women, when all, quickly J.HARRIS develop discriminating they taste." smoke and at that DRAFT -11- Figure 2. Percentage of adult current cigarette smokers in the greater Milwaukee area, 1924-1979. Prior Source: Milwaukee Journal consumer analyses (40). to 1941, the wording of the question eliciting cigarette From 19 41 use and the type of respondent are not recorded. to 1954, men were asked, "Do you smoke cigarets?" while all respondents were asked, "Do any women in your family smoke cigarets?" From 1955 to 1959, all respondents were asked, "Do any men (women) in your household smoke cigarets with (without) a filter tip?" From 1960 to 1965 and in 1967, both men and women were asked "Have you bought, for your own use, cigarets with (without) a filter tip in the past 30 days?" In 1966 and frcm 1968 to 1979, both men and women were asked, "Have you bought, for your own use, cigarets with (without) a filter tip in the past 7 days?" Data for women fron 1976 to 1979 (open circles) represent filtertip cigarette smokers only. All percentages reflect adults aged 18 years and over. HARRIS DRAFT -12- Marlboro cigarettes were as "Mild as May." 1928, In (2). Lucky Strike Advertisement urged women to "Reach for instead 149). of 1934, In By (28). a Sweet." (33, pp. Lucky a 58-61; 43, pp 58-59; a 50, p. Eleanor Roosevelt smoked cigarettes publicly handbags 1940, compacts cosmetic and were typically designed to hold cigarettes (17). Although the Milwaukee Journal (40) reported that percent of adult women smoked cigarettes in 1934 16.7 (Figure 2), estimates of women's smoking prevalence are sporadic. prior Wessel estimated that cigarettes 1924 in consumed women (68). percent 5 Moody's all of Service Investors estimated that women smoked 12 percent of cigarettes in 1929 The average daily consumption of (45). compared If to men smokers, smokers men cigarettes Journal's per 1934 is not as survey women report smokers, as documented for this period. approximately consumed day women twice smokers (cf. many as the Milwaukee women's daily consump- that tion totalled 135 packs per year as coHipared to 244 pa'cks per year for male smokers), and smoking prevalence rates in Figure representative, and if the if 2 estimates there were approximately yields a prevalence 16 percent The Milwaukee J.HARRIS in : are taken as nationally decade (53), then Wessel's estimate yields smoking -^ male of 5 percent more adult males than adult females during the 1920 to female - 1924 and a 6 1930 percent adult Moody's estimate prevalence in 1929. Journal series •; ^ in Figure 2 must be DRAFT -13- interpreted changes of light in type of survey the in respondent and the wording of questions designed smoking practices (see caption to Figure 2.) population urban American women. series elicit to Moreover, this not be representative of all may Nevertheless, the publicly available survey data sources are consistent conclusion with that smoking rates among women did not exceed one-quarter until the onset of World War II. applications Based on 10,000 policies insurance for 1930-40, Ley (34) estimated age-standardized smoking during rates of 63.9 percent of men and 20.8 percent of women years and over. 15 In 1935, aged Fortune Magazine, in the first nation-wide survey (14), reported that 52.5 percent of adult men and 18.1 percent of adult women smoked cigarettes, (See Table 65.5 below.) Among those under 1 percent of men and of percent 39.7 age, of men and 9.3 Urban-rural differences in women were smokers. smoking were significant. of of women were smokers. percent 26.2 Among those over 40 years, percent years 40 The proportion of smokers ranged from 61.4 percent of men and 31.2 percent of women in cities with population over one milltion, to 44.1 percent of men and 8.6 percent of women under 2,500. A survey in of rural areas reported smokers 23 an additional population 250 urban women by the Market Research Corporation in 1937 and with 26 percent regular percent occasional smokers (49). J. HARRIS . : DRAFT -14- After 1940, women's smoking rates accelerated, generations entered areas, "Occupation particularly younger women women, of force labor the and Environment" also (See In Gallup Poll reported 48 percent adult male smokers percent 1949, adult smokers female In (3). findings were 54 percent male and consumer surveys of urban areas in 1948 Local chapter 1944, the and 36 the Gallup female percent 33 urban in the in this Report). new as (39) (3). revealed 37.6 percent adult women cigarette smokers in Milwaukee also Figure 2), Birmingham, percent 34.3 in Philadelphia, percent 45.7 in 38.3 percent in Conover Seattle, and 34.0 percent in San Jose. percent 35.6 Omaha, in (see (11), citing "trade journal" surveys in the three or four years prior to reported smoking prevalence rates of 65 to 70 percent 1950, among men and 40 to 45 percent among women. Although the differential growth of cigarette use among various socio-economic groups is not documented, well the data during this period suggest that male smoking available rates declined with increasing income, while the relation of women's smoking to income was Journal in 1945 noted (40) $30 proportions and Porter's per Among month. were 1947 32 Milwaukee The clear. 58 percent male smokers with 75 percent male smokers with rent monthly rent over $50 and under less women, the corresponding and 37 percent respectively. survey of Columbus, Ohio In Mills (38), 28.3 percent of white females and 64,9 percent white males smoked J.HARRIS ' DRAFT -15- whereas cigarettes, percent 36.4 black percent black males smoked cigarettes females and 68,9 (estimates calculated from the age distribution data provided in Table Kirchoff and patients, Rigdon visitors, (32), and and Galveston, noted that percent white females, in a survey 6 of over of (38)). 21,000 employees of hospitals in Houston percent 63.2 white male, 33.4 66.3 percent black males, and 32.2 percent black females smoked cigarettes. All of the above findings reinforce the conclusion that the onset of widespread cigarette use among women lagged that of men by 25 to 30 years. This historical delay in the growth among of cigarette smoking women has also been documented for the United Kingdom (10,48,51). J.HARRIS ' • DRAFT -16- The Emergence of Filtertip Cigarettes: 1951-1963 As shown in Figure 1, total per capita cigarettes declined 1953-54, during coincident with the appearance in reports suggesting a seriously smoking and lung consumption of cancer (Figure 1), In 1953, percent cigarette of of was the popular press link between cigarette Thereafter, cigarettes the constituted By 1958, of rapidly increased filtertip cigarettes production. decline This (12,35,36,42). filtertip consumption 2,9 their share of production had increased to 45,3 percent, and by 1963 it was 58,0 percent (52) . • The transient decline during 1953-54 in the number cigarettes consumed was not clearly matched by the proportion of cigarette smokers areas, proportion the (29) women of a of decrease in At least in urban , smokers continued to From 1953 to 1958, the prevalence of adult female increase. smoking increased from 42,9 to 45.4 percent Milwaukee in (Figure 2), from 38.4 to 42.6 percent in Omaha, from 47.0 to 50.2 in San Jose Washington, D.C, and from 39.6 to 44.4 percent in (39) converted At the same time, both women and men rapidly to filtertip cigarettes. By 1958, filter cigarette use prevailed among 61 percent of women smokers and of men smokers in Milwaukee, 43 percent of men smokers 54 percent percent of women smokers and in Omaha, smokers and 47 percent of men smokers in J.HARRIS 42 53 percent of women Washington, D,C., DRAFT -17- and percent 59 of women smokers in San Jose (39) reported Health by (62), the 79 In . National percent smokers of a and nation-wide Clearinghouse adult 42 percent of men female for 1964 survey Smoking and smokers and 54 percent of adult male smokers used filter cigarettes. J.HARRIS DRAFT -18- Increasina Public Health Awareness 1964 - 1979_ Per capita consumption reached a peak value of 4,336 in 1963 (Figure appearance 1). in It January declined transiently 1964 the of first after report of the Advisory Committee to the Surgeon General (54). consumption continued during decline to smoking (26,29), the subsequent recent 1979 hazards Since 1975, per capita consumption has declined at an average rate of 1.4 most capita Per period of increased publicity concerning the health of the percent annually. The of 3,900 cigarettes per capita estimate closely approximates that observed in 1952. Table 1 summarizes the results of selected, representative period 1935 to (14) 1955 of surveys 1979. of adult nationally cigarette use during the Except for the Fortune survey of 1935 and the supplement to the Current Population Survey in (18) the the sponsorship National Center for Health Statistics, The results , these data were collected under of other recent national surveys (3,4,55,57,58,62,63,65), revealing the prevalence of smoking, were adult of very cigarette use similar trends in described in 1979 the Surgeon General's Report (26). [INSERT TABLE 1 ABOUT HERE,] Among adult males, the prevalence of regular use has decreases absolute J.HARRIS cigarette declined continuously since 1965, with more marked in the intervals 1965-70 and 1976-78. (The standard errors for National Center for Health DRAFT 19- TABLE 1 - ESTIMATES OF THE PREVALENCE OF SMOKING AMONG ADULTS, UNITED STATES, SURVEYS, 1935 - 1979. Females Year REGULAR CIGARETTE SELECTED NATIONAL Males 1935 18.1 52.5 1955 24.5 52.6 1965 33.3 51.1 1970 31.1 43.5 1974 31.9 42.7 1976 32.0 41.9 1978 29.9 37.0 1979 28,2 36.9 Source: (14,18,56,58-61). Data for 1978 are revisions of preliminary estimates reported in Data for 1979 are preliminary estimates (26) based on a sample of over 13,000 interviews conducted during January - June 1979, provided by Health Interview Survey, National Center for Health Statistics. 1955 data represent persons 18 yrs and over. 1976 data represent persons 20 years and over. Estimates for the years 1965, 1970, 1974, 1978 and 1979 represent persons 17 years and over. . J.HARRIS DRAFT 20- Statistics estimates for 1970 to 1976 are less than 0.3 percent. The absolute standard errors for 1978 and 1979 are 0.6 percent.) Among adult women, the direction of change in smoking prevalence The estimates fOr the interval 1976-79, however, is less clear. suggest a recent downturn. The preliminary 1979 estimate of 32.3 percent for the overall prevalence of adult cigarette smoking among both sexes represents the lowest recorded value in at least (The overall prevalence of cigarette smoking in the 45 years. 1935 Fortune Magazine survey was 37.3 percent among adults of both sexes. . These patterns of change in smoking prevalence applied to both white and black adults. For white men, the prevalence of regu- lar smoking declined from 51.5 percent in 1965 to 36.3 percent in 1979. For black men, the prevalence of regular smoking de- clined from 60. 8 percent in 1965 to 42.0 percent in 1979. For white women, smoking prevalence declined from 34.2 percent in 1965 to 28.2 percent in 1979. For black women smoking prevalence declined from 34.4 percent in 1965 to 28.9 percent in 1979. Racial differences in cigarette use are discussed in greater detail in the chapter in this report entitled "Psychosocial and Behavioral Aspects of Smoking in Women," Although the Milwaukee area data for 1964-79 do not closely match these national estimates, figure decline in smoking rates foir 2 does show a marked both sexes during 1964-1970, a deceleration in the decline of smoking prevalence during 1971-75, J. HARRIS DRAFT -21- and a resumption of the decline in prevalence among men in the last four years. The cessation of cigarette smoking has been a significant factor in explaining this overall decline in smoking prevalence (26) . Column (i) of Table 2 presents estimates of the percen- tage of recent smokers who made a "fairly serious attempt to quit" within one year of the interview date. (Recent smokers include all current smokers plus those former smokers reported to have stopped within one year of interview.) Column (ii) shows what proportion of those attempting to quit regarded themselves as former smokers. tion of all recent smokers Column (iii) shows the propor- (whether or not they attempted or succeeded -22- -1 quitting) who reported themselves as recent former ;< smokers. data necessarily reflect respondents' self assessment These of both the seriousness of of , quit attempt and a degree their Nevertheless, they do provide an indication of success. the representative smoker's annual probability of attempting the probability of to quit, successful cessation given a quit attempt, and the overall annual smoking cessation rate. (The standard errors in Table absolute 1.5 percent, and 0.3-0.5 percent columns All three indicators of smoking cessation were highest (i),(ii), and (iii), respectively.) [INSERT TABLE Although men in 1970. women smokers attempted to 2 ABOUT HERE.] relatively large proportion of a smoking quit probability their (i)), success of significantly lower than that of men attempt but are approximately for 1.0 percent, for 4 rates for both sexes have increased probability adult to With was Quit (ii)). respect the to and the success rate, quit cigarette women and (column year (column (i)) declined by 1975, 1978-79. attempting of men in that in (column 1970 in smokers now are indistinguishable. Table cigarette 3 displays recent changes in the distribution brands according to F.T.C. proportion of adults smoking cigarettes delivery J.HARRIS less than 15 milligrams "tar" contents. with F.T.C. of The "tar" has increased from 9.5 DRAFT -23- TABLE 2 - ESTIMATED RATES OF ATTEMPTED AND SUCCESSFUL UNITED RECENT CIGARETTE SMOKERS, QUITTING AMONG ADULT, 1979. STATES, 1970 (i) Percent of All Recent Smokers Who Attempted to Quit in Past Year (ii) Percent of Smokers Attempting to Quit in Past Year Who Reported Successfully Quitting (iii) Percent of All Recent Smokers Who Reported Successfully Quitting in Past Year Women 1970 1975 1978 1979 40.8 30.2 32.7 32.4 21.3 19.5 18.8 21.6 8.7 5.9 6.2 7.0 44.4 28.3 29.1 31.4 26.4 20.1 21.5 21.3 11.7 5.7 6.3 6.7 Men 1970 1975 1978 1979 21 Source: 1970 and 1975 data from surveys of persons aged years and over, conducted by National Clearinghouse for from the Smoking and Health (63,65). 1978 and 1979 data Health Interview Survey of persons aged 17 years and over, conducted by the U. S. National Center for Health Statistics upon 1979 data are preliminary estimates based (61). interviews during January - June of that year J.HARRIS DRAFT -24- percont of women and 2.9 percent of percent A smokers 1970 in 38.5 to women and 28.1 percent of men in the first half of of 1979. men corresponding of cigarettes increase with F.T.C. proportion the in of nicotine delivery less than 1.0 milligram was also observed. [INSERT TABLE same the At consumption consumption daily average the time, ABOUT HERE.] adult smokers has increased. of changes recent 3 the in among distribution current of Table shows 4 cigarette daily These smokers. cigarette must be data interpreted in light of possible underreporting biases and, particular, in a round off their reported Nevertheless, (67) strong tendency for respondents to daily consumption to one pack. the percentage of women smoking less than one pack per day has declined, while the proportion smoking more than one pack per day has increased. similar trend is observed for men. Except for 1979, a (The absolute standard errors of the 1978 and 1979 estimates are approximately 1.0 percent.) [INSERT TABLE The data of Table of an apparently long cigarette consumption Milwaukee men per day an (40). average J.HARRIS 4 4 ABOUT HERE.] represent the more run among portion recent trend toward increasing daily regular smokers. In 1924, smokers consumed an average of 10 cigarettes In 1934, male smokers in Milwaukee consumed of 13.4 cigarettes per day, while women smokers DRAFT -25- TABLE 3 - ESTIMATED PERCENTAGE DISTRIBUTION OF ADULT CURRENT REGULAR CIGARETTE SMOKERS ACCORDING TO F.T.C. "TAR" CONTENT OF PRIMARY BRAND, UNITED STATES 1970 - 1979, Year Less Than 5,0 mg 5, 9, 9 to mg 10,0 to 14,9 mg 15.0 to 19.9 mg 20,0 mg or More Women 1970 1975 1978 1979 6.8 15,0 21,1 23.4 67.1 75.1 59.2 55.4 23.4 7.5 5.3 5,6 2,0 1.2 8.8 9.5 0.2 0.6 3.3 2.6 0.9 1.1 6,2 8,5 1. 11. 13. 17. 61,3 68.1 63.5 60.1 28.1 19.2 13.6 11.8 0,7 1. 2 5,7. 6.1 Men 1970 1975 1978 1979 Health Source: National Clearinghouse for Smoking and National Center for Health Statistics (61). 1979 (63,65), data are preliminary estimates provided by the National 1970 and 1975 data represent Center for Health Statistics, 1978 and 1979 data represent adults aged 21 years and over, adults aged 17 years and over, Estimates exclude those with unknown primary cigarette brand J.HARRIS DRAFT -26- TABLE 4 - ESTIMATED PERCENTAGE DISTRIBUTION OF ADULT CURRENT CIGARETTE SMOKERS ACCORDING TO REPORTED DAILY CONSUMPTION FREQUENCY, UNITED STATES, 1965 - 1979, Percent Smoking Less Than 15 Cigarettes per Day Year Percent Smoking 25 Cigarettes or More per Day Women 1965 1970 1974 1976 1978 1979 44,5 39,1 38.7 36.5 36,0 34.6 13.7 18.0 18.5 19,6 21,0 22.4 29.6 27.8 26.3 24.2 23.4 26.4 24,5 27.7 30.6 31,1 34.2 32.2 Males 1965 1970 1974 1976 1978 1979 , . Source: (26,56,58-61). Data for 1976 represent persons aged 20 years and over. All other years represent persons aged 17 years and over. Data for 1979 are preliminary estimates based on interviews conducted during January - June of that year, provided by the Health Interview Survey, National Center for Health Statistics. J.HARRIS DRAFT -27- consumed 7 per day (40). 1,564 per adult was cigarette consumption If (Figure and 1 (52)), and percentage of adult smokers was 37,3 percent consumption per adult smoker was 11.5 If consumption adult per the overall then mean (14), cigarettes 3,597 was if per day. 1955 and if the in prevalence of regular smoking was 37.6 1935 in percent then (18), mean consumption per adult in that year was 26.2 cigarettes. corresponding The calculation based consumption data and adult prevalence Table data Moreover, numerous epidemiological (Figure and 1 studies other and performed during the period 1950-65 have shown that surveys for both sexes, especially smokers among larger was daily current fewer cigarettes per day (Table 2), is known the in past decades consumed rates smoking of changes in F.T.C, "tar" and nicotine consumption (Table not with than contemporary smokers. delivery of cigarettes (Table 3), cigarette to and lifetime maximum The empirical relationships between cessation applied findings of age groups They are consistent smokers regular proportion younger consumption cigarette that the the These daily cigarette consumption. hypothesis women, for (10,18,21,22,24,32,38,62,63), It per capita yields 33.3 cigarettes per day. 1) heavy 1979 on whether 4) increases and in are poorly understood smokers of the lowest daily (27). "tar" cigarettes are more or less likely to attempt to quit, or to succeed J.HARRIS in quitting, than smokers of conventional filtertip ' DRAFT -28- or nonfiltcr cigarettes. switching to a iower The extent to which cigarette "tar" may the serve as substitut"^ for quitting may differ among women and men. observed current increase smokers in could daily represent: the cessation rates among lighter smokers; daily cigarette consumption cigarette consumption of an effect increase smoking (25), population; or a a Th^^ among of higher in the continuing smokers; or an increased daily cigarette consumption of new the of act entrants into combination of these effects The relationship of these possible mechanisms to the observed increase in the proportion of filtertip cigarette and low "tar" cigarette smokers is not well elucidated. J.HARRIS DRAFT -29- Exposure to Cigarette Smoke Among Succe ssive Birth Cohorts Figures and 3 4 prevalence depict estimates of the of current cigarette smoking from 1900 to 1978 among successive cohorts birth time corresponds series particular to 1940 Each continuously graphed of men and women. individuals to during born a For example, among women born from 1931 decade. (Figure 4), who are now 40 years 49 to the old, prevalence of smoking rose rapidly during the post World War II period reached and peak a of 45 percent by 1963. Thereafter, their overall prevalence of smoking declined to 39 percent in 1978. prevalence These lifetime reported data were smoking constructed histories 1978. methodology, survey see and the 13,000 of this accuracy the to of of age started smoking, age of smoking duration of temporary significant, of abstinence is not known, no particular source of recall bias significantly as Although the July during applications related (9,29,17).) recollection cessation, periods (For over of respondents to the Health Interview Survey December, from has been identified However, (17,18), the higher mortality rates of continuing smokers, compared to nonsmokers (1,13,19,20,43,47,48,54), introduces smokers former or a selection bias that may understate the prevalence of past smoking for the oldest cohorts. tables J.HARRIS For example, on the basis of recently reported the insurance by Cowell and Hirst (13) , life a male DRAFT -30- cigarette smoker at age probability surviving surviving of percent for a age probabilities percent 80 percent for nonsmokers, respectively. for smokers and 93 Therefore, from 1978 survey responses to be 46 precent in actually have been as high as 65 percent. quit smokers peak the smoking (1,19,47), have effect Since individuals higher survival than continuing a the actual point in time at which smoking than 1937. less likely to be important among men born is after 1910, who are now approaching 70 years old. calculation for men reveals their that could 1937, rates peaked in this cohort may have been later This born, example, for smoking peak rat'=' may 3 percentage points. [INSERT FIGURES 3 AND 2 4 A similar 1911-20 between or understated by at most have been ABOUT HERE.] This source of bias is likely to be less important older of prevalence rate of men born before 1900, calculated smoking who percent 25 compared to 49 as 80, estimated The are 60 estimated an age to nonsmoker. to has 32 women. On the basis of age-specific mortality data reported by Hammond in 1966 continuing smoke to for Appendix Table (19, cigarettes 2b), women from age 35 would have an estimated 48 percent chance of surviving to age 80 years, as compared to probabilities 54 percent of survival for nonsmokers. estimated to age 60 would be 91 percent smokers and 93 percent for nonsmokers. J.HARRIS The If these for survival DRAFT -31- 1921-30 1941-50 1951-60 1900 1910 1920 1930 1940 1950 1960 1970 1980 YEAR Figure 3. Changes in the prevalence of cigarette smoking among successive birth cohorts of men, 1900-1978. Calculated from the results of over 13,000 inSource: terviews conducted during the last two quarters of 1978, provided by Division of Health Interview Statistics, U.S. National Center for Health Statistics. J. HARRIS DRAFT -32- S31-40 WOMEN 1951-60 1-50 •eOO 1910 1920 1930 1940 1950 1960 1970 1980 YEAR Figure 4. Changes in the prevalence of cigarette smoking among successive birth cohorts of women, 1900-1978. Source: Calculated from the results of over 13,000 interviews conducted during the last two quarters of 1978, provided by Division of Health Interview Statistics, U.S. National Center for Health Statistics. J. HARRIS DRAFT -33- datc currently are nonsmokers, then applicable estimated the smokers women to prevalence peak and rate of smoking among women born before 1910 could be understated by only one to two percentage points. Despite percentages biases, smokers current of consistent with past smoking possible these Figures in predicted the and 3 4 are survey and epidemiological data on the habits different of groups age (14,16-18,21-25,32,37,38,56). Comparison of Figures conclusions. and 4 reveals following the most marked differences in smoking The (a) 3 prevalence among men and women appeared in those individuals born before 1910, who are now approaching 70 years old. (b) Women born between 1921 and 1940, who are now approaching 40 to years 59 prevalence of age, experienced These women have not yet reached the age rates. where the absolute excess deaths of smokers over are expected smoking highest the to become substantial (1). nonsmokers Among (c) successive cohorts of men and women, the age of peak smoking prevalence has declined. smoking is Among younger a prevalence 1921-30 reached J.HARRIS Men born between prevalence smoking peak 1946-48, while those smoking the peak prevalence rates are declining, although the effect less marked for women. reached cohorts, a born of 58 1941 to of 1950 1911 71 and 1920 percent during reached percent in 1968-69. peak prevalence of 44 percent in a peak Women born 1958-60, DRAFT -34- while born those prevalence of percent 41 1951-60, the rate of slower than smoking publicity increased reached 1970-73, in increase previous in diffusion of 1941-50 in cohorts. practices peak (d) Among men born smoking of smoking a prevalence slowing This coincident was of the with late the 1960's. A similar effect approaching now are 20-29, ages smoking has apparently peaked. males not clearly is discernible for young women in this cohort. who the concerning the health risks of smoking and the relatively high rate of cessation among adult in was sexes, In both prevalence of tY\f= Smoking rates among men and women in this age group are now nearly indistinguishable. Figure smoking depicts 5 the age mean regular among successive birth cohorts, calculated from the same data as for Figures smoking among 3 and that continuously women men. of The 4. century, to the point where it is from starting of As a of age onset during declined of this indistinguishable nearly result, each successive cohort of lifelong continuing women smokers will have increasing an number of years of exposure to cigarette smoke. [INSERT FIGURE Figure smoking per 6 5 ABOUT HERE.] depicts the accumulated capita, up to 1978, years prevalence individuals born J.HARRIS curve 1911-20 in Figures have thus cigarette for each birth cohort. These magnitudes correspond to the total cohort of 3 areas and far 4. under each Among women, experienced the DRAFT -35- -^1901-10 ^^^-^1921-30^^^-^1941-50^^5^-^ Birth Cohort Figure 5. Mean age of onset of regular smoking among successive birth cohorts of women and men. Source: J. HARRIS See notes to Figures 3 and 4. DRAFT -36- largest Figure exposure total unless the smoking prevalence rat«^s of women 4, 1921-40 during decline lifetime exposure of exceed However, as seen from per capita. that of rapidly more 1911-20 the the future, tho is likely to is not clear, cohorts latter those in cohort. It however, whether the lifetime exposure of men born now generations. 1921-40, of age, will exceed that of previous years 69 to 50 born With each successive cohort, ratio the of female to male exposure approaches one. [INSERT FIGURE As result a cigarettes after 1950 cohort was exposed to and a (Figure 1), different nonfilter cigarettes. diffusion rapid the of ABOUT HERE.] 6 fjltertip of each successive birth proportion filtertip of Details of the respondent's past history of cigarette brand use were not obtained in the 1978 Health Interview Survey. from a series of over 2,000 interviews of current and former smokers aged 21 years and over, cc iducted by the National Clearinghouse for Smoking and Health in 1975 depicts the cigarettes proportion among of comparable years distinct, monotonically (65) smoking birth cohorts. birth cohorts necessarily differ.) increasing Among men, relation proportion of filtertip cigarette exposure and The available Such data, however, are . Figure 7 filtertip (The youngest there between birth is a the date. corresponding relationship among women born before 1930 reflects their lower smoking cessation rates and, therefore, J. HARRIS DRAFT -37- -1900 1901-10 1911-20 Birth 1921-X 1931-40 1941-50 1951-60 Cohort Figure 6. Accumulated years of cigarette smoking per person among successive birth cohorts of women and men, 1978. Source: J. HARRIS See notes to Figures 3 and 4. DRAFT 38- their continued use of filter cigarettes in 1925, (65) . A woman born for example, who began smoking at age 21 and who switched to filtertip cigarettes in 1957 (Figure 5), (Figure 1), has now been smoking filtertip cigarettes for over two thirds of her smoking career and 40 percent of her entire life. [INSERT FIGURE 7 ABOUT HERE.] The prevalence of cigarette smoking, age of initiation, lifetime duration of smoking, and the extent of use of various types of cigarettes are not the only measures of cigarette smoke exposure among a particular population. Trends in depth of inhalation, fraction of cigarette actually smoked, and other dimensions of the style of smoking also affect smoke exposure. As discussed in the 1979 Surgeon General's Report (26), these are difficult to determine from survey data. In view of the concern over the accuracy of contemporaneous survey reports of smoking frequency (67) past accounts of the time course of cigarette smoking frequency would be difficult to assess accurately. Nevertheless, the evidence presented in the previous section is consistent with the conclusion that the average cigarette consumption frequency among regular cigarette users has increased among feach successive birth cohort. ' J. HARRIS DRAFT 39- 100 P 90 080 Q. i ^60 12 50 CO I 30 020 §10 D -1900 1901-10 1911-20 Birth 1921-30 1931-40 1941-50 1951-54 Cohort Figure 7. Proportion of years smoking filtertip cigarettes among successive birth cohorts of women and men, 1975. Source: Calculated from the results of over 2,000 smoking histories of men and women who had ever smoked, collected by National Clearinghouse for Smoking ahd Health (65) HARRIS DRAFT -40- Cigarette Smoking Among Young Women The more marked among age, reflected smoking group. slowing a that smoking peak in prevalence 1951-60, now approaching 20 to 29 years of born men decline not was rate the in observed in initiation of of women of the same age This trend appears to be continuing next the into birth cohort. Table 5 teenage reports the results cigarette recent Education during smoking conducted survey, during late by 19 years of were age also of represents the telephone interviews of In this recent survey, but previous surveys reported in Table in of The most Institute National 1978 and early 1979, individuals aged 12 to 18 years. surveys 1968 to 1979, the preliminary results of over 2,600 not nation-wide of 5, women and men Otherwise, interviewed. the survey sampling techniques and interview questions eliciting smoking practices remained unchanged from previous years, (See notes to Table 5.) , The findings in Table 5 confirm the conclusion that the rate of initiation of smoking among even the youngest men is women. declining, an effect that is not present among young These results variability, must interpreted be (The absolute standard in light of sampling errors estimates for ages 15-16 and 17-18 are about in adult considered. J.HARRIS surveys, non-response Nevertheless, the biases findings in of 2 1979 the percent,) must Table also 5 As be are DRAFT -41- TABLE 5 - ESTIMATED PERCENTAGE OF CURRENT, REGULAR CIGARETTE SMOKERS, AGES 12 - 18, UNITED STATES, 1968 - 1979 Year Ag es 12-14 Ages 17-18 Ages 15-16 Females 1968 1970 1972 1974 1979 0.6 3.0 2.8 4.9 4.4 9.6 14.4 16.3 20,2 11.8 18.6 22.8 25.3 25.9 26.2 2.9 5.7 4.6 4.2 3.2 17.0 19.5 17.8 18.1 13.5 30.2 37.3 30.2 31.0 19.3 Males 1968 1970 1972 1974 L979 ' National Source: performed by Nation-wide surveys 1968-1974 Clearinghouse for Smoking and Health, (64), and 1979, Current regular National Institute of Education, smoker surveys in all includes all those who smoke cigarettes at least weekly. In 1979 approximately 90 percent of current regular smokers used cigarettes on a daily basis. For 1979 only, 29.7 percent males and 31.9 percent females, aged 19, were reported as regular smokers. , J.HARRIS DRAFT -42- consistent with other nation-wide estimates of smoking rates among women young and The men. of current prevalence regular smoking among respondents 17 to 19 years of survey this for males. was age in 28.1 percent for females and 22.8 percent The comparable rates for women men and aged 17-19 from the Health Interview Survey were 29.2 percent and An analysis of the growth of respectively. percent, 27,5 smoking prevalence among this group, performed in manner as of Figures that 3 of men by 1975, same and 4, suggested that smoking rates among this group of women grew those the rapidly and exceeded The future smoking habits of this generation of young women cannot be accurately predicted. Smoking among teenage women detail in the chapter entitled is taken up in greater "Psychosocial and Behavioral Aspects of Smoking in Women" in this Report, [INSERT TABLE J, HARRIS 5 ABOUT HERE,] DRAFT -43- Summary 1. Women have differed from men in their of widespread cigarette use, historical in the rate of smoking among each new birth cohort, in their cigarette smoking, and their use diffusion of intensity various of onset types of of cigarettes. 2. Men took up cigarette smoking rapidly at of the twentieth beginning especially during World War century, Cigarettes rapidly replaced the other forms of tobacco. I. By 1925, approximately 50 percent of adult males were cigarette smokers. Smoking among men accelerated rapidly during World War By 1949, the prevalence of cigarette use among men II. approached 70 percent in some urban areas. 3. The onset of widespread cigarette use among women lagged behind that of men by 25 to 30 women adult smoking years. The proportion of cigarettes did not exceed one-quarter until the onset of World War II. 4. Between 1951 and 1963, increasing proportions and men smokers converted to filtertip cigarettes. 79 percent of of women By 1964, adult women smokers and 54 percent of adult men smokers used filter cigarettes, 5. After reaching a peak value of 4,336 in 1963, annual per capita consumption of cigarettes declined in 1964, and in the period since 1975. The most recent estimate of 3,900 cigarettes per capita in 1979 is to that observed J, HARRIS 1968-70, approximately equal in 1952, DRAFT -44- 6. From 1965 to 1978, the proportion of adult men cigarette smokers declined from 51 to 1965 to 1976, the proportion of adult women From smokers remained virtually unchanged at 32 Since 1976, to percent. 33 the proportion of women smokers has declined to below 30 percent. adult preliminary The adult men's smoking prevalence for 1979 is 36.9 estimate of percent. percent. 37 women's preliminary the For 1979, prevalence smoking of percent. 28.2 is estimate The overall smoking prevalence of 32,3 percent for both sexes in 1979 represents the lowest recorded value least at in 45 years. 7. The proportion declined smoking 1978-79. women adult of from 1970 In contrast to men and reported now quitting attempting smokers to past years, attempting rates, increased in proportions of but 1975, the and their to quit smoking, indistinguishable. are Approximately one in three adult smokers now makes attempt to quit smoking Approximately one in five during of those quit to the who course a of attempt serious a year. to quit subsequently succeed, 8. The proportion of adult smokers using nicotine brands has lower increased substantially. percent of adult women smokers and 28 percent of smokers reported J.HARRIS the lowest In 1979, adult 39 men primary brands with F.T.C. "tar" delivery less than 15.0 milligrams. of and "tar" It is not known whether smokers "tar" cigarettes are more or less likely to DRAFT -45- attempt to quit smoking, or to succeed quitting, in than smokers of conventional filtertip or nonfilter cigarettes. 9. of cigarettes smoked The average number recent declines in the average F.T.C. to and The relationship of this men current smokers has increased. finding women by "tar" and nicotine deliveries of cigarettes is not well understood. With 10. characteristics similar successive each smoking the and men have become increasingly . Among women, 11. women of generation, smoking average the age onset regular of with each successive birth declined progressively of cohort-- from 35 years of age for those born before 1900, to 16 years of age among those born 1951 to 1960. age of onset average The regular smoking among young women is now of virtually identical to that of young men. Maximum 12. prevalence smoking rates substantially in recent birth cohorts of men. to reached 1940 a peak declined have Men born 1931 smoking proportion of 61 percent during 1960-62, while men born 1941 to 1950 reached smoking proportion of 58 percent in 1968-69. to 1960 reached a peak smoking proportion of 40 1976. Among recent cohorts prevalence rates have declined to Women born 1931 to 1940 reached 45 percent a J.HARRIS peak in 1966-68, a of a Men born 1951 percent in peak smoking smaller extent. women, much peak a peak smoking proportion of while women born 1941 to 1950 reached smoking proportion of 41 percent in 1970-73. Women DRAFT -46- born 1951 to 1960 reached percent in 1976. a peak smoking of proportion 38 Among the generation born 1951 to 1960, now are the proportions of women and men smoking cigarettes virtually identical. 13. The proportions of women and men smokers have group declined. Among those born before 1951, this from decline in smoking prevalence resulted mainly By cessation. the contrast, smoking both initiation. cessation smoking observed decline in smoking prevalence among younger men born 1951 to 1960 has from age each in and a resulted lower rate of smoking onset This decline in the rate of of smoking among young men has not been observed for young women. 14. Recent survey data on ages 17 to 19, by that lence. smoking teenage habits reveal women exceed men in smoking preva- This finding supports the conclusion that the rate of initiation of smoking among young women-- is declining. young men— but not that of The future cigarette use of the youngest generations of women is uncertain. 15. With each successive birth cohort, years of cigarette smoking per woman has the accumulated progressively approached the accumulated years of cigarette smoking per man. Each successive birth cohort has also experienced progressively smaller sex differences in the fraction of lifetime years of smoking that represents filtertip cigarette use. 16. J.HARRIS Am.ong men born during this century, each successive ^^^^^ -47- birth cohort has thus far experienced fewer cumulative years of cigarette smoking, higher filtertip cigarettes, and lower This relationship between experienced smoking birth exposure does not hold for women. have proportionate substantially rates than earlier generations. exposure prevalence to rates. date and cigarette smoke Women born 1921 higher 1940 to smoking prevalence Unless they quit smoking in substantial numbers, these women, currently aged 40 to 59, will surpass older women in total smoking per capita, the total cigarette smoking cigarettes smoked. years of cigarette years of nonfilter per capita, and in the total number of The health consequences of this enhanced exposure to cigarette smoke among women are likely to be more prominent in the coming decades. J.HARRIS • DRAFT -48- REFERENCES (1) ADAMS, E.E. Mortality. of Surgeon the In: General. Smoking and Health. 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J.HARRIS DRAFT APR 03 f £6 ^ 8 '^^ ' ^11- w ''' ""'-^ '^ MAR. i'^^'^- Aus. 199^ 07 ' iSii' ^"^ '^^^ B t m im^' Lib-26-67 K'3 3 =1D6D ODM MIS fiSM 3 TDflD DDM 415 flbS .'t>( TDfiD DDM 3 t,13 47fi ga>>- 3 TDflD DD4 415 fl7D 31-2. 3 TDfiD 0D4 415 flflfi P«*/ 3 TDflO DD4 MIT 415 fi LiBfiAftlES 3fcS j; 3 ^DflD DD4 415 TD4