Table 4.
Logistic regression analysis of self-rated physical health (Urban respondents)
| Model 4 | Model 5 | Model 6 | ||||
|---|---|---|---|---|---|---|
| Evaluation of living environment | OR | 95% Confidence Intervals | OR | 95% Confidence Intervals | OR | 95% Confidence Intervals |
| Air pollution (ref: not serious) | 1.001 | [0.828, 1.210] | 1.063 | [0.832, 1.358] | 0.991 | [0.820, 1.199] |
| Green space shortage (ref: not serious) | 0.749*** | [0.628, 0.895] | 0.747*** | [0.626, 0.892] | 0.915 | [0.720, 1.162] |
| Water pollution (ref: not serious) | 1.068 | [0.883, 1.292] | 1.065 | [0.881, 1.289] | 1.067 | [0.882, 1.291] |
| Freshwater resource shortage (ref: not serious) | 1.145 | [0.946, 1.387] | 1.141 | [0.942, 1.383] | 1.145 | [0.945, 1.387] |
| Physical activities | ||||||
| Doing physical exercise (ref: infrequently) | 1.063 | [0.901, 1.255] | 1.135 | [0.896, 1.437] | 1.229** | [1.004, 1.504] |
| Controlled variables | ||||||
| Age | 0.955*** | [0.949, 0.961] | 0.955*** | [0.949, 0.960] | 0.955*** | [0.949, 0.960] |
| Gender (ref: male) | 0.762*** | [0.649, 0.894] | 0.761*** | [0.649, 0.893] | 0.765*** | [0.652, 0.898] |
| Marital status (ref: single, divorce, widowed.) | 1.116 | [0.911, 1.368] | 1.116 | [0.911, 1.368] | 1.121 | [0.914, 1.374] |
| Educational attainments (ref: junior high school and below) | 1.000 | [1.000, 1.000] | 1.000 | [1.000, 1.000] | 1.000 | [1.000, 1.000] |
| Senior high school | 1.152 | [0.942, 1.408] | 1.150 | [0.941, 1.406] | 1.157 | [0.947, 1.415] |
| Bachelor degree and above | 0.963 | [0.770, 1.204] | 0.960 | [0.768, 1.201] | 0.966 | [0.772, 1.209] |
| Logarithmic of annual household income | 1.251*** | [1.120, 1.398] | 1.251*** | [1.120, 1.398] | 1.246*** | [1.115, 1.393] |
| Hukou status (ref: non-local hukou) | 0.890 | [0.696, 1.137] | 0.892 | [0.697, 1.140] | 0.891 | [0.697, 1.139] |
| Insurance schemes (ref: have joined neither schemes) | 1.000 | [1.000, 1.000] | 1.000 | [1.000, 1.000] | 1.000 | [1.000, 1.000] |
| Have joined both BMI and PCMI schemes | 1.295 | [0.903, 1.856] | 1.302 | [0.908, 1.868] | 1.317 | [0.918, 1.890] |
| Have joined BMI schemes but not PCMI schemes | 1.060 | [0.796, 1.410] | 1.062 | [0.798, 1.414] | 1.068 | [0.802, 1.423] |
| Have joined PCMI schemes but not BMI schemes | 2.576** | [1.037, 6.396] | 2.595** | [1.044, 6.448] | 2.659** | [1.071, 6.604] |
| Interaction in relation to evaluation of living environment | ||||||
| Doing physical exercise frequently × Serious air pollution (ref: Doing physical exercise frequently × No serious air pollution) | 0.884 | [0.641, 1.219] | ||||
| Doing physical exercise frequently × Serious green space shortage (ref: Doing physical exercise frequently × No serious green space shortage) | 0.655** | [0.467, 0.918] | ||||
| N | 3402 | 3402 | 3402 | |||
| Log likelihood | -1828.113 | -1827.829 | -1825.087 | |||
| Chi-squared | 443.354*** | 443.923*** | 449.406*** | |||
Exponentiated coefficients; 95% confidence intervals in brackets; * p < 0.10, ** p < 0.05, *** p < 0.01