| Urban | ||
| (1) | (2) | (3) |
Frequencies | 0.211*** | 0.182*** | 0.093*** |
| (0.033) | (0.054) | (0.025) |
male | 0.203** | 0.060 | 0.172* |
| (0.075) | (0.073) | (0.089) |
Primary school | 0.105 | −0.070 | 0.244* |
| (0.097) | (0.199) | (0.127) |
Junior high school | 0.101 | −0.122 | 0.230* |
| (0.127) | (0.164) | (0.126) |
High school/secondary school/technical school/vocational high school | 0.156 | −0.163 | 0.263* |
| (0.117) | (0.212) | (0.132) |
College | 0.368*** | −0.059 | 0.436*** |
| (0.113) | (0.197) | (0.147) |
Undergraduate | 0.607*** | 0.216 | 0.624*** |
| (0.153) | (0.205) | (0.185) |
Age | 0.091*** | 0.127*** | 0.077*** |
| (0.012) | (0.027) | (0.011) |
Agesq/100 | −0.104*** | −0.165*** | −0.085*** |
| (0.015) | (0.040) | (0.013) |
Health | 0.060** | 0.047 | 0.060** |
| (0.028) | (0.103) | (0.029) |
Married | −0.114 | −0.212** | −0.057 |
| (0.075) | (0.076) | (0.053) |
Intelligence | −0.001 | 0.155 | −0.039 |
| (0.052) | (0.133) | (0.057) |
Promotion |
| 0.188*** | 0.141*** |