Variables | Total (n = 5032) | Male (n = 1845) | Female (n = 3187) | P - value* |
---|---|---|---|---|
Age (years, %) |  |  |  | <  0.001 |
 30–39 | 862 (17.2) | 277 (15.0) | 585 (18.4) |  |
 40–49 | 1478 (29.4) | 500 (27.1) | 978 (30.6) |  |
 50–59 | 1396 (27.7) | 490 (26.6) | 906 (28.4) |  |
 60–69 | 893 (17.7) | 397 (21.5) | 496 (15.6) |  |
 70–79 | 403 (8.0) | 181 (9.8) | 222 (7.0) |  |
Area of residence (%) | Â | Â | Â | 0.056 |
 Rural | 3584 (71.2) | 1289 (69.9) | 2295 (72.0) |  |
 Urban | 1448 (28.8) | 556 (30.1) | 892 (28.0) |  |
Educational level (%) |  |  |  | <  0.001 |
 No formal school | 2190 (43.5) | 540 (29.2) | 1650 (51.7) |  |
 Primary school | 687 (13.7) | 330 (17.9) | 357 (11.2) |  |
 Middle school | 1004 (20.0) | 400 (21.7) | 604 (19.0) |  |
 High school or college | 884 (17.5) | 418 (22.7) | 466 (14.6) |  |
 University or above | 267 (5.3) | 157 (8.5) | 110 (3.5) |  |
Occupation (%) |  |  |  | <  0.001 |
 Farmers | 1767 (35.1) | 725 (39.3) | 1042 (32.7) |  |
 Workers | 400 (7.9) | 186 (10.1) | 214 (6.7) |  |
 Administrators | 165 (3.3) | 95 (5.1) | 70 (2.2) |  |
 Specialists | 441 (8.8) | 237 (12.8) | 204 (6.4) |  |
 Other occupations | 2259 (44.9) | 602 (32.7) | 1657 (52.0) |  |
Marital status (%) |  |  |  | <  0.001 |
 Married or cohabiting | 4367 (86.8) | 1644 (89.1) | 2723 (85.4) |  |
 Separated or divorced | 183 (3.6) | 62 (3.4) | 121 (3.8) |  |
 Widowed | 427 (8.5) | 87 (4.7) | 340 (10.7) |  |
 Never married | 55 (1.1) | 52 (2.8) | 3 (0.1) |  |
Family income (yuan/year, %) | ||||
 < 20,000 | 2101 (41.7) | 772 (41.8) | 1329 (41.7) | 0.783 |
 20,000-59,999 | 1650 (32.8) | 591 (32.0) | 1059 (33.2) |  |
 60,000-99,999 | 763 (15.2) | 289 (15.7) | 474 (14.9) |  |
 ≥ 100,000 | 518 (10.3) | 193 (10.5) | 325 (10.2) |  |