Table 3.
Results of the regression model with all variables (N=841)
| Variable | IRR | 95% Confidence Interval | P-value | |
|---|---|---|---|---|
| Lower limit | Upper limit | |||
| Urban form | ||||
| Population density | 0.924 | 0.905 | 0.943 | 0.000*** |
| Building coverage | 1.009 | 1.003 | 1.016 | 0.005** |
| FAR | 0.997 | 0.916 | 1.085 | 0.942 |
| Averaged block size | 1.351 | 0.829 | 2.221 | 0.253 |
| Averaged block perimeter area ratio | 1.01 | 0.999 | 1.02 | 0.073+ |
| Building height deviation | 0.998 | 0.988 | 1.007 | 0.597 |
| Road and traffic | ||||
| Total road density (100-meter buffer zone) | 1.001 | 0.992 | 1.011 | 0.77 |
| Arterial road density (100-meter buffer zone) | 1.015 | 0.972 | 1.061 | 0.499 |
| Distance to the nearest elevated road | 1.035 | 0.98 | 1.093 | 0.211 |
| Distance to the nearest arterial road | 0.951 | 0.763 | 1.187 | 0.656 |
| Metro station density (800-meter buffer zone) | 1.044 | 0.922 | 1.182 | 0.495 |
| Density of metro station without the glass barrier system (800-meter buffer zone) | 1.22 | 1.04 | 1.431 | 0.014* |
| Greenness | ||||
| NDVI index | 0.475 | 0.186 | 1.217 | 0.109 |
| Demographic factors | ||||
| Proportion of population over 60 years | 1.028 | 1.019 | 1.038 | 0.000*** |
| Proportion of permanent residents (living for more than 5 years) | 1.005 | 1.002 | 1.008 | 0.011* |
| Socio-economic factors | ||||
| Percentage of low-quality residential land | 1.008 | 1.005 | 1.012 | 0.000*** |
| Percentage of high-quality residential land | 1.001 | 0.998 | 1.004 | 0.485 |
| Percentage of population with a college degree | 0.983 | 0.978 | 0.988 | 0.000*** |
| Model summary | ||||
| Pseudo R square: 0.48 (CoxSnell), 0.48 (Nagelkerke), 0.09 (McFadden) and 0.37 (sqPearson) | ||||
| AIC: 5496.8 | ||||
***: p<0.001, **: p<0.01, *: p<0.05, +:p<0.1