Independent variables | Urban residents | Rural residents | ||||||
---|---|---|---|---|---|---|---|---|
Unhealthy | Healthy | Chi-square | P value | Unhealthy | Healthy | Chi-square | PÂ value | |
Proportion | Proportion | Proportion | Proportion | |||||
Evaluation of air pollution (%) | Â | Â | 2.870 | 0.090 | Â | Â | 3.805 | 0.051 |
 Not serious | 51.50 | 48.60 |  |  | 84.84 | 81.77 |  |  |
 Serious | 48.50 | 51.40 |  |  | 15.16 | 18.23 |  |  |
Evaluation of green space shortage (%) | Â | Â | 0.030 | 0.862 | Â | Â | 4.174 | 0.041 |
 Not serious | 68.67 | 68.39 |  |  | 92.75 | 90.33 |  |  |
 Serious | 31.33 | 31.61 |  |  | 7.25 | 9.67 |  |  |
Evaluation of water pollution (%) | Â | Â | 2.742 | 0.098 | Â | Â | 1.286 | 0.257 |
 Not serious | 58.50 | 55.68 |  |  | 77.36 | 75.34 |  |  |
 Serious | 41.50 | 44.32 |  |  | 22.64 | 24.66 |  |  |
Evaluation of freshwater resource shortage (%) | Â | Â | 13.943 | 0.000 | Â | Â | 5.932 | 0.015 |
 Not serious | 72.50 | 66.54 |  |  | 76.59 | 80.73 |  |  |
 Serious | 27.50 | 33.46 |  |  | 23.41 | 19.27 |  |  |