| Variable | Model (2) | Model (3) | Model (4) |
| LnHP | 0.055*** (4.03) | 0.070*** (12.09) | 0.036*** (2.13) |
| LnIncome |
|
| 0.016*** (9.57) |
| lnY | 0.408*** (19.49) | 0.105*** (12.43) | 0.349*** (16.85) |
| N | 0.117*** (4.33) | 0.048*** (3.27) | 0.098*** (3.73) |
| FS | 0.084*** (4.45) | −0.022*** (−2.64) | 0.095*** (4.99) |
| Age | 0.004* (1.96) | 0.009*** (7.79) | 0.000 (−0.28) |
| Gender | 0.058* (1.95) | 0.062*** (4.36) | 0.038 (0.97) |
| Edu | −0.004 (−1.30) | −0.010*** (−9.07) | 0.002 (0.35) |
| Marriage | −0.114 (−1.05) | −0.224*** (−3.94) | −0.006 (−0.04) |
| Work | 0.046 (1.39) | 0.096*** (7.59) | −0.002 (−0.04) |
| Health | −0.018 (−0.48) | −0.004 (−0.36) | −0.036 (−0.44) |
| Constant | 0.000*** (−17.17) | 0.000*** (−242.66) | 0.000*** (6.49) |
| Observations | 10,185 | 10,185 | 10,185 |
| R2 | 0.217 | 0.399 | 0.259 |