UK obesity data data for the adult population 20

© NOO 2012

nooNational Obesity

Observatory

Examining available data for the

adult population

© NOO 2012

The National Obesity Observatory isa single point of contact for wide-ranging authoritative information on data, evaluation and evidence related to weight status and its determinants

nooNational Obesity

Observatory

Overweight and obesity among adults aged 16+ yearsHealth Survey for England 2009-2011

© NOO 2012 Adult (aged 16+) overweight and obesity: BMI ≥ 25kg/m2

More than 6 out of 10 men are overweight or obese (66.2%)

More than 5 out of 10 women are overweight or obese (57.6%)

Prevalence of obesity among adults aged 16+ yearsHealth Survey for England 1993-2011 (3-year average)

© NOO 2012 Adult (aged 16+) obesity: BMI ≥ 30kg/m2

0%

5%

10%

15%

20%

25%

30%

Pre

vale

nce

of

ob

esi

ty

Women

Men

Prevalence of excess weight among adults aged 16+ yearsHealth Survey for England 1993-2011 (3-year average)

© NOO 2012 Adult (aged 16+) overweight including obese (excess weight): BMI ≥ 30kg/m2

30%

35%

40%

45%

50%

55%

60%

65%

70%

Pre

vale

nce

of e

xces

s w

eigh

t

Men

Women

Healthy weight

32.2%

Underweight

1.6%Overweight

42.2%

Obese

24.0%

Men

Adult prevalence by BMI statusHealth Survey for England (2009-2011 average)

Adult (aged 16+) BMI thresholdsUnderweight: <18.5kg/m2

Healthy weight: 18.5 to <25kg/m2

Overweight: 25 to <30kg/m2

Obese: ≥30kg/m2

© NOO 2012

Healthy weight

40.2%

Underweight

2.2%

Overweight

32.3%

Obese

25.3%

Women

Prevalence of obesity class III among adults aged 16+ yearsHealth Survey for England 1993-2011 (3-year average)

© NOO 2012 Adult (aged 16+) obesity III: BMI ≥ 40kg/m2

0.0%

0.5%

1.0%

1.5%

2.0%

2.5%

3.0%

3.5%

4.0%

Pre

vale

nce

of o

be

sity

III (

BM

I ≥4

0k

g/m

2)

Women

Men

Adult (aged 18+ years) BMI distributionHealth Survey for England 2008-2010

© NOO 2012 Adults aged 18+ years

12 18.5 25 30 40 50

Body mass index (kg/m2)Men Women

Underweight<18.5kg/m2

Men

0.7%

Women

1.2%

Healthy weight18.5 to <25kg/m2

Men

27.0%

Women

36.8%

Overweight25 to <30 kg/m2

Men

44.7%

Women

34.4%

Obese30 to <40kg/m2

Men

26.1%

Women

24.0%

Morbidly obese≥40kg/m2

Men

1.5%

Women

3.5%

Change in the adult BMI distributionHealth Survey for England 1991-1993 and 2008-2010 (population weighted)

Adults aged 18+ years© NOO 2012

12 18.5 25 30 40 50

BMI (kg/m2) Men 1991-1993 Women 1991-1993 Men 2008-2010 Women 2008-2010

Underweight<18.5kg/m2

Men1991-93: 0.7%2008-10: 0.7%

Women

1991-93: 1.3%2008-10: 1.2%

Healthy weight18.5 to <25kg/m2

Men1991-93: 37.8%2008-10: 27.0%

Women1991-93: 47.6%2008-10: 36.8%

Overweight25 to <30 kg/m2

Men1991-93: 46.7%2008-10: 44.7%

Women1991-93: 33.3%2008-10: 34.4%

Obese30 to <40kg/m2

Men1991-93: 14.6%2008-10: 26.1%

Women1991-93: 16.4%

2008-10: 24.0%

Morbidly obese≥40kg/m2

Men1991-93: 0.3% Women2008-10: 1.5% 1991-93: 1.4%

2008-10: 3.5%

Adult obesity prevalence by age and sexHealth Survey for England 2009-2011


9.4%

16.6%

23.1%

33.7% 33.4%

29.3%

25.8%

13.2%

19.3%

25.0%

29.3%31.0%

33.2%

28.2%

0%

5%

10%

15%

20%

25%

30%

35%

16-24 25-34 35-44 45-54 55-64 65-74 75+

Pre

vale

nce

of o

bes

ity

Men Women

Adult obesity prevalence by equivalised household income quintileHealth Survey for England 2006-2010

© NOO 2012

The chart shows 95% confidence limits

Adult (aged 16+) obesity: BMI ≥ 30kg/m2

24.6%

28.7%26.1%

24.4% 24.2%

30.7% 30.6%

26.7%24.2%

18.5%

0%

10%

20%

30%

40%

Lowest income quintile

Highest income quintile

Ob

esit

y p

reva

len

ce

Men Women

Adult obesity prevalence by highest levelof educationHealth Survey for England 2006-2010

© NOO 2012



29.8%

25.9% 25.4%23.9%

26.5%

20.6%

33.0%

30.7%

26.5%

20.2%

24.8%

17.0%

0%

10%

20%

30%

40%

No qualification NVQ1/CSE other grade equiv

NVQ2/GCE O Level equiv

NVQ3/GCE A Level equiv

Higher ed below degree

Degree/NVQ4/NVQ5 or equiv

Ob

esit

y p

reva

len

ce

Men Women

Adult obesity prevalence by Index of Multiple Deprivation (IMD 2007) quintileHealth Survey for England 2006-2010

© NOO 2012



23.8%

26.7%25.2%

26.4% 25.5%

21.5% 21.8%

25.5%

30.3%31.5%

0%

10%

20%

30%

40%

Least deprived Most deprived

Ob

esit

y p

reva

len

ce

Index of Multiple Deprivation 2007 quintile

Men Women

18.8%

17.4%

13.2% 12.2%

11.5%

16.0%

20.9%

18.7%

13.9%13.1%

26.2%

15.1%

31.6%

25.5%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

White Irish Indian Pakistani Bangladeshi Black African Black Caribbean

Ob

esit

y p

reva

len

ce

Men Women

Age standardised adult obesity prevalence by ethnic groupHealth Survey for England 2006-2010

© NOO 2012

The chart shows 95% confidence limitsAdult (aged 16+) obesity: BMI ≥ 30kg/m2

Age standardised adult obesity prevalence by ethnic groupHealth Survey for England 2004

© NOO 2012

The chart shows 95% confidence limitsAdult (aged 16+) obesity: BMI ≥ 30kg/m2

17.8%

15.7%

10.2% 12.4%

4.4%

12.2%

18.2%17.4%

15.3% 16.4%

26.5%

14.4%

34.4%

27.6%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%


Ob

esi

ty p

reva

len

ce

Men Women

Adult obesity prevalence by social classHealth Survey for England 1994-2009 (5 year moving averages)


Men Women

0%

5%

10%

15%

20%

25%

30%

94-98 95-99 96-00 97-01 98-02 99-03 00-04 01-05 02-06 03-07 04-08 05-09

Ob

esi

ty p

reva

len

ce

I - Professional II - Managerial technical IIIM - Skilled manual

IIIN - Skilled non-manual IV - Semi-skilled manual V - Unskilled manual

0%

5%

10%

15%

20%

25%

30%

94-98 95-99 96-00 97-01 98-02 99-03 00-04 01-05 02-06 03-07 04-08 05-09

Ob

esi

ty p

reva

len

ce

0%

5%

10%

15%

20%

25%

30%

35%

40%

94-98 95-99 96-00 97-01 98-02 99-03 00-04 01-05 02-06 03-07 04-08 05-09

Ob

esi

ty p

reva

len

ce

Year of survey

Mean waist circumference (cm)% with raised* waist circumference

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 2009-11

Adult waist circumferenceHealth Survey for England

© NOO 2012

1993

82cm

27%

2011

88cm

46%

1993

93cm

21%

2011

97cm

33%

Raised waist circumference among adults by ageHealth Survey for England 2009-2011

Adults aged 16+ yearsRaised waist circumference defined as >102cm for men and >88cm for women© NOO 2012

10.2%

17.9%

30.2%

42.0%

48.7%

53.0%

47.6%

20.1%

29.7%

43.3%

50.9%

59.7%

64.4%60.7%

0%

10%

20%

30%

40%

50%

60%

70%

16-24 25-34 35-44 45-54 55-64 65-74 75+

Pre

vale

nce

of

rais

ed

wai

st c

ircu

mfe

renc

e

Men Women

Trend in raised waist circumference among adultsHealth Survey for England, 1993 - 2011

© NOO 2012

Adults aged 16+ yearsRaised waist circumference defined as >102cm for men and >88cm for women

0%

10%

20%

30%

40%

50%Women

Men

Health risk categories for BMI and waist circumferenceHealth Survey for England/NICE

© NOO 2012

Low High Very high

Men: <94cm Men: 94-102cm Men: >102cm

BMI Women: <80cm Women: 80-88cm Women: >88cm

Underweight

(< 18.5 kg/m2)

Underweight

(Not Applicable)

Underweight

(Not Applicable)

Underweight

(Not Applicable)

Healthy weight

(18.5-24.9 kg/m2)No Increased Risk No Increased Risk Increased Risk

Overweight

(25-29.9 kg/m2)No Increased Risk Increased Risk High Risk

Obese

(30-34.9 kg/m2)Increased Risk High Risk Very High Risk

Very Obese

(>35 kg/m2)Very High Risk Very High Risk Very High Risk

Waist circumference

Change in prevalence of health risk categoriesUsing both BMI and waist circumference; Health Survey for England

© NOO 2012


Using combined waist circumference and BMI classification, as recommended by NICE

56% 55%52% 51%

45% 45% 45% 44% 45% 45% 43% 44%42% 42%

18% 18%18% 18%

19% 18% 18% 18% 17% 17% 18% 17%18% 16%

11% 12%12% 12%

15% 15% 15% 14% 15% 15% 15% 16%16% 16%

13% 14% 16% 17%20% 21% 21% 22% 22% 22% 23% 21% 24% 23%

1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

Very high risk

High risk

Increased risk

No increased risk

Underweight

40.2%

43.5%

14.5%

19.7%

18.4%

13.6%

25.1%

21.8%

Women

Men

Underweight No increased risk Increased risk High risk Very high risk

55.2%

55.6%

15.8%

20.8%

12.2%

11.2%

14.8%

11.3%

Women

Men

Underweight No increased risk Increased risk High risk Very high risk

Change in prevalence of health risk categoriesUsing both BMI and waist circumference; Health Survey for England

© NOO 2012



1993-1994

2010-2011

Health risk categories for BMI and waist circumference

Proportion of adults at high or very high risk of obesity related ill-health by ageHealth Survey for England 2006-2010

© NOO 2012

10.7%

23.7%

33.9%

42.1%

48.7%50.8%

44.0%

18.2%

30.1%

37.5%

44.9%

51.7%

57.9%

53.3%

0%

10%

20%

30%

40%

50%

60%

16-24 25-34 35-44 45-54 55-64 65-74 75+

Men Women

Adults aged 16+ years. The chart shows 95% confidence limits.


Proportion of adults at high or very high risk of obesity related ill-health by ethnic groupUsing both BMI and waist circumference; Health Survey for England 2006-2010

© NOO 2012

Adults aged 16+ years. The chart shows 95% confidence limits.

Using combined waist circumference and BMI classification, as recommended by NICE, see previous slide

26.6%

22.8%

19.1%17.7%

17.9%

20.2%

22.7%

29.8%

25.0%26.8%

39.5%

16.8%

44.8% 39.3%

0%

10%

20%

30%

40%

50%

60%


Men Women

Adult obesity prevalence modelled estimatesNational Centre for Social Research, 2006-2008


London inset:

Adult obesity prevalence (%) 2006-2008by local authority

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%

Obesity prevalence (%)by Local Authority

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UK obesity data data for the adult population 20

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