Table 7.
Categories of IHL | Total numbers | Model 1a | Model 2b |
---|---|---|---|
Tertiles 1 | 4,036 | Reference | Reference |
Tertiles 2 | 4,053 | 1.049 (0.948, 1.162)c | 1.042 (0.940, 1.154) |
Tertiles 3 | 3,767 | 1.296 (1.172, 1.434) | 1.255 (1.133, 1.390) |
P for trendd | — | <0.001 | <0.001 |
Model 1: crude.
Model 2: Adjusted for sex, age (continuous variable), annual family income (<20,000, 20,000–35,000, >35,000 yuan), place of residence (town or rural), and father and mother’s education (primary and below, junior high, high school, or bachelor degree and above).
Adjusted data are expressed as odds ratio (95% confidence intervals).
P for trend were obtained using multivariate logistic regression analyses.