Variable | Total (N = 9144) | Never screened (N = 5706) | Ever screened (N = 3438) | P |
---|---|---|---|---|
Region | < 0.001 | |||
Eastern | 3111 (34.0) | 1788 (31.3) | 1323 (38.5) | |
Central | 2989 (32.7) | 1784 (31.3) | 1205 (35.0) | |
Western | 3044 (33.3) | 2134 (37.4) | 910 (26.5) | |
Area | 0.088 | |||
Urban | 4520 (49.4) | 2781 (48.7) | 1739 (50.6) | |
Rural | 4624 (50.6) | 2925 (51.3) | 1699 (49.4) | |
Age group (y) | < 0.001 | |||
20–24 | 875 (9.6) | 805 (14.1) | 70 (2.0) | |
25–29 | 1238 (13.5) | 965 (16.9) | 273 (7.9) | |
30–34 | 1283 (14.0) | 785 (13.8) | 498 (14.5) | |
35–39 | 1177 (12.9) | 635 (11.1) | 542 (15.8) | |
40–44 | 2111 (23.1) | 1150 (20.2) | 961 (28.0) | |
45–49 | 2460 (26.9) | 1366 (23.9) | 1094 (31.8) | |
Occupation | < 0.001 | |||
Managerial and technical staff | 1583 (17.3) | 875 (15.3) | 708 (20.6) | |
Commercial/service personnel | 1557 (17.0) | 962 (16.9) | 595 (17.3) | |
Workers or farmers | 4196 (45.9) | 2523 (44.2) | 1673 (48.7) | |
Students | 285 (3.1) | 266 (4.7) | 19 (0.6) | |
Unemployed | 1197 (13.1) | 876 (15.4) | 321 (9.3) | |
Others | 326 (3.6) | 204 (3.6) | 122 (3.5) | |
Education level | < 0.001 | |||
Primary school and below | 1748 (19.1) | 1240 (21.7) | 508 (14.8) | |
Middle school | 3051 (33.4) | 1810 (31.7) | 1241 (36.1) | |
Senior high school or equivalent | 1876 (20.5) | 1108 (19.4) | 768 (22.3) | |
College and above | 2469 (27.0) | 1548 (27.1) | 921 (26.8) | |
Monthly family income (RMB) | < 0.001 | |||
<3000 | 2438 (26.7) | 1632 (28.6) | 806 (23.4) | |
3000–4999 | 2855 (31.2) | 1810 (31.7) | 1045 (30.4) | |
5000–7999 | 2241 (24.5) | 1333 (23.4) | 908 (26.4) | |
≥8000 | 1610 (17.6) | 931 (16.3) | 679 (19.7) | |
Marital status | < 0.001 | |||
Unmarried | 1013 (11.1) | 928 (16.3) | 85 (2.5) | |
Married | 7784 (85.1) | 4569 (80.1) | 3215 (93.5) | |
Divorced/Widowed/Others | 347 (3.8) | 209 (3.7) | 138 (4.0) | |
Gravidity | < 0.001 | |||
0 | 1292 (14.1) | 1126 (19.7) | 166 (4.8) | |
1 | 2847 (31.1) | 1633 (28.6) | 1214 (35.3) | |
2 | 2865 (31.3) | 1665 (29.2) | 1200 (34.9) | |
≥3 | 2140 (23.4) | 1282 (22.5) | 858 (25.0) | |
Age at menarche (years) | 0.016 | |||
<13 | 1256 (13.7) | 822 (14.4) | 434 (12.6) | |
≥13 | 7888 (86.3) | 4884 (85.6) | 3004 (87.4) |