Table 3.
Factors Associated with the Crude Prevalence of Obesity from Multivariate Logistic Regression Models in Men (N=12,413)
|
Variables |
General obesityb |
Abdominal obesityb |
||
|---|---|---|---|---|
| (%) | OR (95% CI)a | (%) | OR (95% CI)a | |
| 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) |
a Logistic regression models were used to adjust for all other variables in the table. CI, confidence interval; OR, odds ratio.
b Using WHO criteria for Chinese (general obesity: BMI≥27.5 kg/m2; abdominal obesity: WC≥90 cm for men, WC≥80 cm for women).
c 100 RMB (Chinese yuan)=6.35 US $.