Table 1.
Characteristics of the survey respondents aged 18 years or older in China
| Variables | Total N (% of 139831) |
Male N (% of 69748) |
Female N (% of 70083) |
| Age | |||
| 18–34 | 43055 (30.8) | 21475 (30.8) | 21580 (30.8) |
| 35–44 | 31770 (22.7) | 15646 (22.5) | 16124 (23.0) |
| 45–54 | 30023 (21.5) | 15088 (21.6) | 14935 (21.3) |
| 55–64 | 16942 (12.1) | 8746 (12.5) | 8196 (11.7) |
| ≥ 65 | 18041 (12.9) | 8793 (12.6) | 9248 (13.2) |
| Marital status | |||
| Married | 112274 (80.3) | 55622 (79.8) | 56652 (80.8) |
| Unmarried | 16736 (12.0) | 10324 (14.8) | 6412 (9.2) |
| Divorce | 1584 (1.1) | 938 (1.3) | 646 (0.9) |
| Widow | 9237 (6.6) | 2864 (4.1) | 6373 (9.1) |
| Education | |||
| Illiterate | 27905 (20.0) | 8494 (12.2) | 19411 (27.7) |
| Elementary school | 38332 (27.4) | 19374 (27.7) | 18958 (27.1) |
| Junior high school | 45654 (32.7) | 25788 (37.0) | 19866 (28.3) |
| Senior high school | 15024 (10.7) | 8787 (12.6) | 6237 (8.9) |
| College or university | 12916 (9.2) | 7305 (10.5) | 5611 (8.0) |
| Residence area | |||
| Urban | 40244 (28.8) | 19516 (28.0) | 20728 (29.6) |
| Rural | 99587 (71.2) | 50232 (72.0) | 49355 (70.4) |
| Region of China | |||
| East of China | 48554 (34.7) | 23957 (34.4) | 24597 (35.1) |
| Middle of China | 39056 (27.9) | 19541 (28.0) | 19515 (27.8) |
| West of China | 52221 (37.4) | 26250 (37.6) | 25971 (37.1) |