Table 3.
Logistic regression analysis of self-rated physical health (All respondents)
| Model 1 | Model 2 | Model 3 | ||||
|---|---|---|---|---|---|---|
| Evaluation of living environment | OR | 95% Confidence Intervals | OR | 95% Confidence Intervals | OR | 95% Confidence Intervals |
| Air pollution (ref: not serious) | 1.003 | [0.869, 1.157] | 1.029 | [0.869, 1.219] | 0.993 | [0.861, 1.147] |
| Green space shortage (ref: not serious) | 0.867* | [0.750, 1.002] | 0.866* | [0.749, 1.000] | 1.016 | [0.847, 1.218] |
| Water pollution (ref: not serious) | 1.047 | [0.911, 1.203] | 1.045 | [0.909, 1.201] | 1.044 | [0.908, 1.200] |
| Freshwater resource shortage (ref: not serious) | 0.986 | [0.862, 1.129] | 0.986 | [0.861, 1.128] | 0.986 | [0.862, 1.129] |
| Physical activities | ||||||
| Doing physical exercise (ref: infrequently) | 1.092 | [0.959, 1.243] | 1.125 | [0.951, 1.331] | 1.216** | [1.047, 1.413] |
| Controlled variables | ||||||
| Age | 0.959*** | [0.955, 0.962] | 0.959*** | [0.955, 0.962] | 0.959*** | [0.955, 0.962] |
| Gender (ref: male) | 0.776*** | [0.694, 0.868] | 0.776*** | [0.694, 0.869] | 0.778*** | [0.695, 0.870] |
| Marital status (ref: single, divorce, widowed.) | 0.966 | [0.829, 1.126] | 0.967 | [0.830, 1.126] | 0.972 | [0.834, 1.132] |
| Educational attainments (ref: junior high school and below) | ||||||
| Senior high school | 1.266*** | [1.087, 1.475] | 1.264*** | [1.086, 1.473] | 1.263*** | [1.084, 1.470] |
| Bachelor degree and above | 1.089 | [0.908, 1.307] | 1.088 | [0.907, 1.305] | 1.093 | [0.910, 1.311] |
| Logarithmic of annual household income | 1.349*** | [1.264, 1.440] | 1.349*** | [1.264, 1.440] | 1.344*** | [1.259, 1.435] |
| Hukou status (ref: non-local hukou) | 0.904 | [0.733, 1.114] | 0.905 | [0.734, 1.115] | 0.908 | [0.736, 1.119] |
| Insurance schemes (ref: have joined neither schemes) | ||||||
| Have joined both BMI and PCMI schemes | 1.106 | [0.839, 1.459] | 1.110 | [0.841, 1.463] | 1.125 | [0.853, 1.484] |
| Have joined BMI schemes but not PCMI schemes | 1.075 | [0.868, 1.332] | 1.077 | [0.869, 1.334] | 1.087 | [0.877, 1.347] |
| Have joined PCMI schemes but not BMI schemes | 2.271** | [1.145, 4.504] | 2.280** | [1.149, 4.525] | 2.333** | [1.177, 4.627] |
| Interaction in relation to evaluation of living environment | ||||||
| Doing physical exercise frequently × Serious air pollution (ref: Doing physical exercise frequently × No serious air pollution) | 0.932 | [0.727, 1.196] | ||||
| Doing physical exercise frequently × Serious green space shortage (ref: Doing physical exercise frequently × No serious green space shortage) | 0.665*** | [0.503, 0.879] | ||||
| N | 6571 | 6571 | 6571 | |||
| Log likelihood | -3684.023 | -3683.871 | -3679.925 | |||
| Chi-squared | 881.210*** | 881.515*** | 889.405*** | |||
Exponentiated coefficients; 95% confidence intervals in brackets; * p < 0.10, ** p < 0.05, *** p < 0.01