| variable | N | max | min | mean | sd |
| gender | 2288 | 1 | 0 | 0.526 | 0.499 |
| age | 2288 | 35 | 18 | 26.43 | 4.949 |
| married | 2288 | 1 | 0 | 0.593 | 0.491 |
| work s~e | 1897 | 9 | 1 | 4.018 | 1.550 |
| wealth~x | 1942 | 1.000 | 0.001 | 0.323 | 0.254 |
| income~t | 1539 | 87600 | −1200 | 5005 | 6842 |