Table 4.
HR with 95% CI of depression according to the China-specific criteria of obesity based on BMI and WC stratified by sexa
| Female | Male | |||
|---|---|---|---|---|
| Crude HR (95% CI) | Adjusted HR (95% CI) | Crude HR (95% CI) | Adjusted HR (95% CI)b | |
| Female | ||||
| general obesity (BMI) | ||||
| Normal | 1.000 | 1.000 | 1.000 | 1.000 |
| Underweight | 1.099 (0.711~ 1.699) | 1.089 (0.702~ 1.689) | 1.048 (0.702~ 1.566) | 1.058 (0.706~ 1.587) |
| Overweight | 0.906 (0.755~ 1.087) | 0.879 (0.731~ 1.057) | 0.792 (0.643~ 0.974)* | 0.858 (0.693~ 1.063) |
| Obese | 0.982 (0.783~ 1.231) | 0.906 (0.719~ 1.141) | 0.514 (0.355~ 0.745)*** | 0.506 (0.347~ 0.736)*** |
| -2Log likelihood | 8508.942 | 8450.743 | 6953.708 | 6891.256 |
| Abdominal obesity (WC) | ||||
| Yes | 0.948 (0.778~ 1.154) | 0.917 (0.752~ 1.119) | 0.721 (0.602~ 0.863)** | 0.775 (0.644~ 0.933)** |
| -2Log likelihood | 8510.231 | 8452.458 | 6958.550 | 6899.773 |
Note. aTests for trend were conducted using time-dependent Cox proportional hazards models, treating BMI and WC as categorical and dichotomous variables, respectively
bAdjusted for age, marital status, education level, Hukou status (household registration), smoking, drinking, activities of daily living, and chronic disease
*P < 0.05; **P < 0.01; and ***P < 0.001
HR hazard ratio and CI confidence interval