Variable | Model 1 | Model 2 | Model 3 | Model 4 |
---|---|---|---|---|
URRBMI | 0.5696** | 0.5583** | 0.6039** | 0.6014** |
(0.0845) | (0.0920) | (0.1008) | (0.1034) | |
Age | Â | 1.0660** | 1.0605** | 1.0631** |
 | (0.0076) | (0.0074) | (0.0071) | |
Gender | Â | 0.4834** | 0.5555** | 0.5557** |
 | (0.0555) | (0.0662) | (0.0673) | |
Marital status | Â | 1.1825 | 1.2423 | 1.2905 |
 | (0.1837) | (0.1980) | (0.2097) | |
Residency area | Â | 0.7456 | 0.7913 | 0.8927 |
 | (0.1348) | (0.1460) | (0.1577) | |
Education status | Â | Â | 0.6136** | 0.6260** |
 |  | (0.1031) | (0.1044) | |
Household income | Â | Â | 0.9270** | 0.9320** |
 |  | (0.0177) | (0.0171) | |
PM2.5 concentrations | Â | Â | Â | 0.9987 |
 |  |  | (0.0069) | |
Having tap water | Â | Â | Â | 0.4713** |
 |  |  | (0.0903) | |
Constant | 0.4518** | 0.0113** | 0.0354** | 0.0507** |
(0.0533) | (0.0057) | (0.0188) | (0.0310) | |
Number of observations | 1,924 | 1,924 | 1,924 | 1,924 |
Wald chi-squared | 14.39** | 117.26** | 152.29** | 208.52** |
Pseudo R-squared | 0.0083 | 0.0789 | 0.0934 | 0.1068 |