noo
National Obesity
Observatory
Examining available data for the
adult population
© NOO 2011
noo
National Obesity
Observatory
The National Obesity Observatory is
a single point of contact for wideranging authoritative information on
data, evaluation and evidence related
to weight status and its determinants
© NOO 2011
Trend in adult obesity prevalence (%)
Health Survey for England 1993 to 2009
21.8
24.3
24.5
23.8
22.3
22.3
22.8
23.1
2006
21.4
19.8
24.4
23.3
20.2
18.5
17.1
22.6
23.5
23.9
2005
20.7
21.2
22.0
23.0
2004
Males
23.1
2003
Females
17.7
19.0
16.2
16.9
17.7
15.2
© NOO 2011
2008
2007
2002
2001
2000
1999
1998
1997
1996
1995
1994
14.1
Three year averages shown, middle year displayed on chart
Adult (aged 16+) obesity: BMI ≥ 30kg/m2
Trend in adult healthy weight prevalence (%)
Health Survey for England 1993 to 2009
Females
© NOO 2011
41.5
41.2
32.8
33.0
32.5
33.1
32.7
32.8
2008
41.8
2007
41.6
2006
32.5
41.8
2005
32.6
41.7
2004
42.0
2003
33.5
42.2
2002
35.1
43.1
2001
36.3
44.0
2000
36.8
44.8
1999
38.0
45.4
1998
46.3
1997
39.3
Males
1996
1994
40.4
47.5
1995
48.7
Three year averages shown, middle year displayed on chart
Adult (aged 16+) healthy weight: BMI 18.5 to <25kg/m2
Adult prevalence by BMI status (%)
Health Survey for England (2007-2009 average)
Obese
Obese
24.4%
23.3%
Healthy weight
32.8%
Healthy weight
Females
Males
Underweight
Overweight
1.7%
41.2%
Overweight
32.3%
42.3%
Underweight
2.1%
Adult (aged 16+) BMI thresholds
Underweight: <18.5kg/m2
Healthy weight: 18.5 to <25kg/m2
Overweight: 25 to <30kg/m2
Obese: ≥30kg/m2
© NOO 2011
Adult (aged 18+ years) BMI distribution
Health Survey for England 2007-2009
Underweight
Healthy weight
18.5 to
<18.5kg/m2
Overweight
<25kg/m2
25 to <30
Obese
kg/m2
30 to
Morbidly obese
<40kg/m2
≥40kg/m2
Males
Males
26.8%
45.4%
Females
Females
24.7%
35.2%
Males
0.6%
© NOO 2011
Females
Females
1.1%
3.1%
35.9%
18.5
Males
1.4%
25.8%
Females
12
Males
Males
Females
25
30
40
50
Body mass index (kg/m 2 )
Adults are aged 18+ years
Adult obesity prevalence by age and sex
Health Survey for England 2006-2008
Male
Female
33.5%
32.8%
30.7%
30.1%
31.2%
28.1%
25.0%
26.6%
24.2%
20.8%
19.0% 19.3%
12.7%
8.4%
16-24
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25-34
35-44
45-54
55-64
65-74
75 and
over
Adult (aged 16+) obesity: BMI ≥ 30kg/m2
95% confidence limits shown
Adult obesity prevalence by equivalised
household income quintile
Health Survey for England 2004-2008
Males
Females
29.6%
29.4%
27.8%
24.6%
25.1%
25.8%
22.9%
23.9%
23.8%
18.6%
Lowest
income
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Highest
income
Adult (aged 16+) obesity: BMI ≥ 30kg/m2
Prevalence of obesity in adults by highest
level of education
Health Survey for England 2004-2008
Males
Females
32.6%
30.3%
30.5%
25.8%
26.1% 26.3%
25.3%
26.0%
22.0%
24.1%
20.0%
17.4%
No qualification
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NVQ1/CSE
other grade
equivalent
NVQ2/GCE
O level
equivalent
NVQ3/GCE
A level
equivalent
Degree/
Higher ed below NVQ4/NVQ5/or
equivalent
degree
Adult (aged 16+) obesity: BMI ≥ 30kg/m2
Prevalence of obesity in adults by ethnic group
Health Survey for England 2004
Males
Females
38%
32%
28%
25%
23%
23%
25%
21%
20%
17%
15%
Black
Caribbean
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Black
African
Irish
Pakistani
14%
Indian
17%
6%
Bangladeshi
8%
6%
Chinese
General
population
Adult (aged 16+) obesity: BMI ≥ 30kg/m2
Prevalence of obesity by social class
Health Survey for England 1997-2008 (5 year moving averages)
Males
40%
Females
40%
40%
35%
35%
35%
30%
25%
30%
25%
30%
20%
20%
25%
15%
15%
10%
10%
20%
5%
5%
15%
0%
1997
1998
1999
0%
2000
2001
2002
2003
2004
2005
2006
2007
2008
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
10%
I - professional
IIIn - skilled non-manual
IV - semi-skilled manual
5%
II - managerial technical
IIIm - skilled manual
V - unskilled manual
0%
1997
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1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
Adult (aged 16+) obesity: BMI ≥ 30kg/m2
Adult waist circumference
Health Survey for England
Year of survey
Mean waist circumference (cm)
% with raised* waist circumference
© NOO 2011
1993
2009
82cm
27%
87cm
44%
1993
2009
93cm
21%
96cm
33%
Adults aged 16+ years
* Raised waist circumference is taken to be greater than 102cm in men and greater than 88cm in women
% with raised waist circumference is a three year average for 1993-95 and 2007-09
Health risk categories for BMI and waist
circumference
Health Survey for England/NICE
Waist circumference
BMI
Underweight
2
(< 18.5 kg/m )
Healthy weight
(18.5-24.9 kg/m2)
Overweight
(25-29.9 kg/m2)
Obese
(30-34.9 kg/m2)
Very Obese
(>35 kg/m2)
© NOO 2011
Low
Men: <94cm
Women: <80cm
High
Men: 94-102cm
Women: 80-88cm
Very high
Men: >102cm
Women: >88cm
Underweight
(Not Applicable)
Underweight
(Not Applicable)
Underweight
(Not Applicable)
No Increased Risk
No Increased Risk
Increased Risk
No Increased Risk
Increased Risk
High Risk
Increased Risk
High Risk
Very High Risk
Very High Risk
Very High Risk
Very High Risk
Change in prevalence of health risk
categories (percentage)
Using both BMI and waist circumference; Health Survey for England
1993-94
Males
55.6%
Females
55.2%
20.8%
15.8%
11.1%
12.2%
11.3%
14.8%
2008-09
Males
44.1%
Females
41.8%
Underweight
© NOO 2011
No increased risk
19.5%
15.1%
Increased risk
13.7%
17.2%
High risk
21.0%
23.6%
Very high risk
Adults aged 16+ years
Using combined waist circumference and BMI classification, as recommended by NICE
Adult obesity prevalence modelled estimates
National Centre for Social Research, 2006-2008
Adult obesity
prevalence
(%) 2006-2008
Obesity
prevalence
(%)
byLocal
localAuthority
authority
by
13.1 to 22.3%
22.4 to 23.6%
23.7 to 25.0%
25.1 to 26.8%
26.9 to 32.9%
London inset:
© Crown Copyright. All rights reserved. DH 100020290 2011
© NOO 2011
Adult (aged 16+) obesity: BMI ≥ 30kg/m2
© NOO 2011
http://www.noo.org.uk/visualisation/eatlas
noo
National Obesity
Observatory
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info@noo.org.uk
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