Table 1.
Participants characteristics.
| Variables | Sample Number (Persons) | Weighted Number (Million Persons) | Proportion (%) |
|---|---|---|---|
| Total | 1,909,199 | 985 | 100 |
| Age group (years) | |||
| 18–39 | 822,041 | 423 | 42.95 |
| 40–64 | 836,406 | 432 | 43.84 |
| 65+ | 250,752 | 130 | 13.21 |
| Gender | |||
| Male | 949,955 | 490 | 49.74 |
| Female | 959,244 | 495 | 50.26 |
| Illiterate | |||
| Yes | 302,635 | 160 | 16.25 |
| No | 1,606,564 | 825 | 83.75 |
| Residence | |||
| Rural | 1,229,862 | 665 | 67.57 |
| Urban | 679,337 | 319 | 32.43 |
| Region | |||
| East | 769,169 | 401 | 40.73 |
| Central | 558,169 | 317 | 32.2 |
| West | 581,861 | 267 | 27.07 |
| Marital status | |||
| Unmarried | 227,393 | 115 | 11.66 |
| Married | 1,523,107 | 788 | 80.03 |
| Divorced or widowed | 158,699 | 82 | 8.31 |
| Employment | |||
| Yes | 1,367,709 | 719 | 72.99 |
| No | 541,490 | 266 | 27.01 |
| Annual family income per capita by residential area * | |||
| >national average | 462,517 | 233 | 23.69 |
| ≤national average | 1,446,682 | 751 | 76.31 |
* The average income was 11,759 RMB for urban residents and 3578 RMB for rural residents.