Table 3 Factors Associated with the Crude Prevalence of Obesity from Multivariate Logistic Regression Models in Men (N=12,413)

Age-groups (years)

 18-34

17.7

1.00

28.9

1.00

 35-44

15.8

1.19(1.03-1.37)

31.6

1.50(1.33-1.68)

 45-54

14.6

1.09(0.94-1.27)

34.7

1.77(1.57-2.00)

 55-64

14.8

1.29 (1.06-1.56)

33.6

1.87(1.61-2.17)

 65-74

9.7

0.88(0.67-1.14)

28.8

1.60(1.33-1.92)

Ethnic

 Han

16.1

1.00

31.6

1.00

 Others

12.7

0.83(0.69-0.99)

26.6

0.86(0.75-0.99)

Educational level

 No school

9.0

1.00

20.3

1.00

 Primary school

9.7

1.42(0.80-2.52)

22.0

1.50(1.00-2.25)

 Junior high school

14.6

1.92(1.11-3.31)

31.6

2.36(1.60-3.48)

 ≥Senior high school

20.8

2.45(1.40-4.29)

34.1

2.39(1.60-3.56)

Occupation

 Blue-collar

13.9

1.00

27.9

1.00

 White-collar

20.9

1.31(1.12-1.52)

40.0

1.64(1.45-1.85)

 Cadres

16.7

1.33(1.11-1.61)

34.9

1.57(1.36-1.82)

 Others

14.9

1.34(1.18-1.52)

29.2

1.19(1.08-1.31)

Family income/year ^c

 <10,000 RMB

12.5

1.00

27.9

1.00

 10,000-30,000 RMB

13.8

0.91(0.72-1.15)

32.1

1.07(0.90-1.27)

 30,000-50,000RMB

14.1

0.78(0.65-0.94)

30.0

0.94(0.82-1.08)

 >50,000RMB

21.1

1.05(0.86-1.29)

34.4

1.04(0.89-1.21)

Parental obesity

 No

12.2

1.00

27.5

1.00

 Yes

34.4

3.51(3.13-3.94)

50.4

2.72 (2.45-3.02)

Physical activity

 Low

15.1

1.00

30.4

1.00

 High

18.0

0.98(0.87-1.10)

33.7

1.00(0.90-1.10)

Cigarette smoking

 Never

16.8

1.00

31.7

1.00

 Current

13.6

0.81(0.72-0.91)

28.9

0.85(0.78-0.93)

 Former

25.2

1.81(1.50-2.18)

45.1

1.61(1.37-1.88)

Alcohol consumption

 Never

15.4

1.00

29.7

1.00

 1 drink per day

10.7

0.84(0.65-1.09)

27.7

0.91(0.76-1.09)

 ≥2 drinks per day

17.1

1.16(1.04-1.30)

33.7

1.22(1.11-1.33)

Eat fried foods

 Never

17.5

1.00

33.7

1.00

 Yes

11.6

0.79(0.70-0.89)

25.3

0.85(0.78-0.93)

Have a diet low in fat/calories

 No

17.6

1.00

34.0

1.00

 Yes

12.4

0.75(0.67-0.84)

25.9

0.64(0.58-0.70)