Table 4.
Multilevel models of health score and average/90th percentile of Air Quality Index in autumn/winter.
| Average AQI in Winter/Autumn | 90th Percentile of AQI in Winter/Autumn | |||||||
|---|---|---|---|---|---|---|---|---|
| Central/Western China (n = 7473) | Eastern China (n = 4480) | Central/Western China (n = 7473) | Eastern China (n = 4480) | |||||
| Estimates | p-Value | Estimates | p-Value | Estimates | p-Value | Estimates | p-Value | |
| Fixed effects | ||||||||
| Intercept | 3.919 | 0.661 | 11.167 | 0.114 | 9.511 | 0.333 | 22.137 | 0.013 |
| Education | ||||||||
| No education | Reference | Reference | Reference | Reference | ||||
| Elementary school | 1.228 | 0.023 | 1.040 | 0.017 | 1.224 | 0.023 | 0.707 | 0.347 |
| Middle | −1.568 | 0.099 | 0.260 | 0.696 | −1.531 | 0.107 | 1.641 | 0.089 |
| High school | 2.156 | 0.038 | 1.042 | 0.239 | 2.169 | 0.036 | −2.275 | 0.177 |
| Higher education | −1.022 | 0.021 | −0.707 | 0.059 | −1.015 | 0.023 | −0.183 | 0.792 |
| Sex | ||||||||
| Male | Reference | Reference | Reference | Reference | ||||
| Female | −2.576 | 0.000 | −2.619 | 0.000 | −2.575 | 0.000 | −2.822 | 0.000 |
| Marital status | ||||||||
| Married | Reference | Reference | Reference | Reference | ||||
| Married but not living with spouse | 1.491 | 0.001 | 1.431 | 0.000 | 1.489 | 0.001 | 1.316 | 0.088 |
| Not Married | −4.202 | 0.129 | 2.632 | 0.212 | 4.194 | 0.130 | 1.465 | 0.657 |
| Widowed | 0.741 | 0.749 | −1.639 | 0.359 | 0.784 | 0.736 | −5.648 | 0.045 |
| Income (CNY) §,# | 1.558 | 0.000 | 1.340 | 0.000 | 1.561 | 0.000 | 0.859 | 0.000 |
| Life Satisfaction | 3.872 | 0.000 | 4.115 | 0.000 | 3.882 | 0.000 | 4.384 | 0.000 |
| Average AQI in winter/autumn | −0.082 | 0.026 | 0.017 | 0.241 | - | - | - | - |
| 90th percentile of AQI in winter/autumn | - | - | - | −0.009 | 0.522 | 0.018 | 0.175 | |
| Gini coefficient | 5.833 | 0.491 | −0.931 | 0.890 | −2.005 | 0.820 | −14.313 | 0.379 |
| Log number of beds per person | 5.951 | 0.022 | 3.620 | 0.021 | 4.696 | 0.026 | 3.699 | 0.205 |
Note: the results are after adjustment for demographic characteristics and are stratified by region (only significant variables are included in model). * p-value < 0.05; § log transformation; # CNY: Chinese Yuan; -: not available.