Table 2

Mean weight changes among adults aged ≥18 years who were at risk for obesity a and extreme obesity b between 2008 and 2009, by socio-demographic characteristic, Behavioral Risk Factor Surveillance System: United States, 2009

At risk for obesity

At risk for extreme obesity

(BMI 11.7-29.9 kg/m2)

(BMI 11.7-39.9 kg/m2)

(N = 284,122)

(N = 382,713)


Characteristic

Mean change (lb)c

(95% CI)

Mean change (lb)c

(95% CI)


Overall

1.5

(1.4, 1.6)

-0.2

(-0.3, -0.1)

Age group (years)

18-29

3.9

(3.5, 4.2)

2.3

(1.9, 2.6)

30-49

1.7

(1.6, 1.9)

0.1

(-0.1, 0.2)

50-69

0.6

(0.5, 0.7)

-1.2

(-1.3, -1.1)

≥ 70

-1.0

(-1.2, -0.9)

-2.3

(-2.4, -2.1)

Sex

Women

1.6

(1.5, 1.8)

0.2

(0.1, 0.3)

Men

1.3

(1.1, 1.5)

-0.5

(-0.7, -0.4)

Race/ethnicity

White, non-Hispanic

0.9

(0.8, 1.0)

-0.6

(-0.7, -0.5)

Black, non-Hispanic

3.7

(3.1, 4.2)

1.2

(0.7, 1.6)

Hispanic

3.1

(2.7, 3.5)

1.0

(0.6, 1.4)

Educational level

< High school

3.6

(3.2, 4.0)

1.4

(1.0, 1.8)

High school

2.2

(2.0, 2.4)

0.3

(0.1, 0.5)

Some college

1.5

(1.4, 1.7)

-0.3

(-0.5, -0.2)

College graduate

0.4

(0.3, 0.5)

-0.8

(-1.0, -0.7)

Census region

Northeast

1.4

(1.2, 1.7)

-0.2

(-0.4, 0.1)

Midwest

1.4

(1.2, 1.5)

-0.3

(-0.5, -0.1)

South

1.7

(1.5, 1.9)

-0.1

(-0.2, 0.1)

West

1.3

(1.1, 1.5)

-0.2

(-0.4, 0.0)

Territory

1.9

(1.3, 2.4)

0.3

(-0.3, 0.9)

Baseline BMI (kg/m2)

11.7-24.9

3.0

(2.8, 3.1)

- d

- d

25.0-27.4

0.6

(0.5, 0.8)

-

-

27.5-29.9

-1.2

(-1.4, -0.9)

-

-

11.7-29.9

-e

- e

1.5

(1.4, 1.6)

30.0-32.4

-

-

-3.0

(-3.3, -2.7)

32.5-34.9

-

-

-5.5

(-6.0, -5.0)

35.0-37.4

-

-

-7.3

(-7.9, -6.6)

37.5-39.9

-

-

-10.1

(-11.2, -9.1)


a At risk for obesity: BMI 11.7-29.9 kg/m2

b At risk for extreme obesity: BMI 11.7-39.9 kg/m2

c Weighted mean

d Not applicable; we combined these three baseline BMI categories for adults who were at risk for extreme obesity to ensure adequate sample size

e Not applicable; we used three baseline BMI categories (as indicted in the table) for adults who were at risk for obesity

Pan et al. Population Health Metrics 2011 9:56   doi:10.1186/1478-7954-9-56

Open Data