| 变量 | lnproperty (1) | lnproperty (2) | 
| index | 0.0101*** | 0.0062*** | 
| (0.0018) | (0.0018) | |
| age | 
 | 0.0040 | 
| 
 | (0.0036) | |
| gender | 
 | 0.1482 | 
| 
 | (0.1063) | |
| edu | 
 | 0.0642*** | 
| 
 | (0.0115) | |
| marriage | 
 | 0.3075*** | 
| 
 | (0.1101) | |
| health | 
 | −0.1379*** | 
| 
 | (0.0384) | |
| housenum | 
 | −0.1796*** | 
| 
 | (0.0666) | |
| asset | 
 | 0.3454*** | 
| 
 | (0.0288) | |
| hsize | 
 | −0.1351*** | 
| 
 | (0.0250) | |
| Constant | −1.5783*** | −4.2716*** | 
| (0.5689) | (0.6696) | |
| Observations | 3901 | 3901 |