Table 1 Demographics, lifestyle characteristics of included participants.
Variables | Cases | Controls | P |
|---|---|---|---|
N | 458 | 742 | |
Age, year | 47.4 ± 12.2 | 46.3 ± 12.0 | 0.126 |
Body mass index, kg/m2 | 22.3 ± 4.54 | 22.0 ± 4.10 | 0.238 |
Marital status, N(%) | 0.156 | ||
Married | 345 (75.3) | 538 (72.5) | |
Single/divorced/widowed | 113 (24.7) | 204 (27.5) | |
Education level, N(%) | <0.001 | ||
Elementary school or below | 254 (55.5) | 282 (38.0) | |
Middle school | 129 (28.2) | 270(36.4) | |
High school or above | 68 (14.8) | 175 (23.6) | |
Family history of cancer | <0.001 | ||
Yes | 80 (17.5) | 72 (9.7) | |
No | 367 (80.1) | 658 (88.7) | |
HPV infection | <0.001 | ||
Yes | 368 (80.4) | 74 (10.0) | |
No | 90 (19.6) | 668 (90.0) | |
Current smoker, N(%) | 0.354 | ||
Yes | 21 (4.6) | 31 (4.2) | |
No | 402 (87.8) | 688 (92.7) | |
Passive smoker, N(%) | <0.001 | ||
Yes | 220 (48.0) | 251 (33.8) | |
No | 228 (49.8) | 476 (64.2) | |
Current drinker, N(%) | 0.111 | ||
Yes | 60 (13.1) | 73 (9.8) | |
No | 388 (84.7) | 603 (81.3) | |
Calcium supplement use, N(%) | 0.136 | ||
Yes | 125 (27.3) | 217 (29.2) | |
No | 300 (65.5) | 445 (60.0) | |
Multivitamin use, N(%) | 0.005 | ||
Yes | 40 (8.7) | 101 (13.6) | |
No | 389 (84.9) | 586 (79.0) | |
Menopause | 0.331 | ||
Yes | 185 (40.5) | 289 (39.0) | |
No | 273 (59.5) | 453 (61.0) | |
Oral contraceptive use, N(%) | 0.009 | ||
Yes | 21 (4.6) | 60 (8.1) | |
No | 402 (87.8) | 612 (82.5) | |
Estrogen use, N(%) | <0.001 | ||
Yes | 18 (3.9) | 85 (11.5) | |
No | 432 (94.3) | 643 (86.7) | |
Physical activity, MET•h/d | 76.3 (25.4, 124.6) | 95.3 (35.1, 132.2) | <0.001 |
