1.
一般背景信息
Socio-demographic characteristic
| Variable | n (%) |
| Gender | |
| Male | 663 (44.7) |
| Female | 820 (55.3) |
| Age | |
| 15-29 years | 653 (44.0) |
| 30-44 years | 522 (35.2) |
| 45-59 years | 189 (12.7) |
| ≥60 years | 119 (8.0) |
| Education | |
| Primary or below | 40 (2.7) |
| Middle high | 93 (6.3) |
| High or technical school | 202 (13.6) |
| University or college | 892 (60.1) |
| Graduate or higher | 256 (17.3) |
| Account | |
| Rural | 435 (29.3) |
| Urban | 1 048 (70.7) |
| Residence | |
| Downtown | 233 (15.7) |
| Suburbs | 657 (44.3) |
| Outer suburbs | 528 (35.6) |
| Rural | 65 (4.4) |
| Marital status | |
| Married | 791 (53.3) |
| Single | 650 (43.8) |
| Widow/Divorced/Separated | 42 (2.8) |
| Income | |
| <20 000 yuan | 509 (34.3) |
| 20 000-40 000 yuan | 301 (20.3) |
| 40 000-60 000 yuan | 267 (18.0) |
| >60 000 yuan | 406 (27.4) |
| Medical insurance | |
| Yes | 1 371 (92.4) |
| No | 112 (7.6) |