1.
Demographic and behavior characteristics among 28,543 participants, 2007−2016
| Variables | n (%) | P | ||
| Total (N=28,543) | Male (n=13,036) | Female (n=15,507) | ||
Age (
) (year)
|
54.40±8.17 | 54.62±8.33 | 54.21±8.03 | <0.0001 |
Cancer prevention knowledge scores (
)
|
57.10±20.37 | 58.47±20.37 | 55.95±20.30 | 0.6991 |
| Education level | ||||
| Illiterate | 7,621 (26.70) | 1,523 (11.68) | 6,098 (39.33) | <0.0001 |
| Primary school or junior high school | 20,425 (71.57) | 11,142 (85.48) | 9,283 (59.87) | |
| Senior high school and above | 492 (1.72) | 369 (2.83) | 123 (0.79) | |
| Missing (n) | 5 | 2 | 3 | |
| Yearly income per household unit (RMB) | ||||
| <5,000 | 13,139 (47.11) | 5,564 (43.80) | 7,575 (49.87) | <0.0001 |
| ≥5,000 | 14,752 (52.89) | 7,138 (56.20) | 7,614 (50.13) | |
| Missing (n) | 652 | 334 | 318 | |
| Cigarette smoking | ||||
| No | 20,120 (70.49) | 5,443 (41.75) | 14,677 (94.65) | <0.0001 |
| Yes | 8,423 (29.51) | 7,593 (58.25) | 830 (5.35) | |
| Alcohol drinking | ||||
| No | 22,151 (77.61) | 7,272 (55.78) | 14,879 (95.95) | <0.0001 |
| Yes | 6,392 (22.39) | 5,764 (44.22) | 628 (4.05) | |
| Family history of cancer | ||||
| No | 21,693 (76.20) | 9,697 (74.61) | 11,996 (77.54) | <0.0001 |
| Yes | 6,775 (23.80) | 3,300 (25.39) | 3,475 (22.46) | |
| Missing (n) | 75 | 39 | 36 | |