Table 1 Characteristics of study population.
Male | Female | All | P value | |
|---|---|---|---|---|
(n = 160,275) | (n = 172,022) | (n = 332,297) | ||
Age (yrs) | ||||
Mean (SD) | 40.3 (13.7) | 40.2 (13.7) | 40.3 (13.7) | 0.026 |
Marital status | ||||
Single | 43,456 (27.1%) | 43,157 (25.1%) | 86,613 (26.1%) | <0.001 |
Married | 104,018 (64.9%) | 103,780 (60.3%) | 207,798 (62.5%) | |
Separated/divorced/widowed | 4549 (2.8%) | 16,098 (9.4%) | 20,647 (6.2%) | |
Missing | 8252 (5.1%) | 8987 (5.2%) | 17,239 (5.2%) | |
Education | ||||
Middle school or lower | 28,523 (17.8%) | 49,268 (28.6%) | 77,791 (23.4%) | <0.001 |
High school | 34,674 (21.6%) | 41,420 (24.1%) | 76,094 (22.9%) | |
Junior school | 36,376 (22.7%) | 34,818 (20.2%) | 71,194 (21.4%) | |
College or higher | 54,307 (33.9%) | 39,881 (23.2%) | 94,188 (28.3%) | |
Missing | 6395 (4.0%) | 6635 (3.9%) | 13,030 (3.9%) | |
Occupation | ||||
White collar | 14,437 (9.0%) | 19,076 (11.1%) | 33,513 (10.1%) | <0.001 |
Blue collar | 45,390 (28.3%) | 14,472 (8.4%) | 59,862 (18.0%) | |
Self employed | 64,916 (40.5%) | 105,810 (61.5%) | 170,726 (51.4%) | |
Other | 26,579 (16.6%) | 22,787 (13.2%) | 49,366 (14.9%) | |
Missing | 8953 (5.6%) | 9877 (5.7%) | 18,830 (5.7%) | |
Smoking status | ||||
Never | 75,564 (47.1%) | 148,959 (86.6%) | 224,523 (67.6%) | <0.001 |
Former or current | 77,408 (48.3%) | 13,401 (7.8%) | 90,809 (27.3%) | |
Missing | 7303 (4.6%) | 9662 (5.6%) | 16,965 (5.1%) | |
Drinking status | ||||
Never | 102,850 (64.2%) | 145,567 (84.6%) | 248,417 (74.8%) | <0.001 |
Former or current | 48,155 (30.0%) | 11,038 (6.4%) | 59,193 (17.8%) | |
Missing | 9270 (5.8%) | 15417 (9.0%) | 24687 (7.4%) | |
Physical activity (MET hours/week) | ||||
<3.75 | 62,617 (39.1%) | 91,261 (53.1%) | 153,878 (46.3%) | <0.001 |
3.75–7.5 | 38,982 (24.3%) | 36,852 (21.4%) | 75,834 (22.8%) | |
7.5–16.5 | 28,675 (17.9%) | 22,898 (13.3%) | 51,573 (15.5%) | |
≥16.5 | 20,258 (12.6%) | 10,815 (6.3%) | 31,073 (9.4%) | |
Missing | 9743 (6.1%) | 10,196 (5.9%) | 19,939 (6.0%) | |
BMI (kg/m2) | ||||
18.5–24 | 80,577 (50.3%) | 103,707 (60.3%) | 184,284 (55.5%) | <0.001 |
<18.5 | 6961 (4.3%) | 23,348 (13.6%) | 30,309 (9.1%) | |
24–28 | 56,256 (35.1%) | 33,123 (19.3%) | 89,379 (26.9%) | |
≥28 | 16,449 (10.3%) | 11,820 (6.9%) | 28,269 (8.5%) | |
Missing | 32 (0.0%) | 24 (0.0%) | 56 (0.0%) | |
Family history of cancer | ||||
No | 119,864 (74.8%) | 123,732 (71.9%) | 243,596 (73.3%) | <0.001 |
Yes | 40,411 (25.2%) | 48,290 (28.1%) | 88,701 (26.7%) | |
Visceral adiposity index | ||||
Median [Q1, Q3] | 1.29 [0.801,2.11] | 1.04 [0.690,1.71] | 1.15 [0.735,1.91] | <0.001 |
Missing | 15,492 (9.7%) | 12,247 (7.1%) | 27,739 (8.3%) | |
Chinese visceral adiposity index | ||||
Median [Q1, Q3] | 70.8 [39.0,101] | 32.3 [1.42,75.2] | 53.2 [15.7,90.6] | <0.001 |
Missing | 15,492 (9.7%) | 12,247 (7.1%) | 27,739 (8.3%) | |
Lipid accumulation product | ||||
Median [Q1, Q3] | 20.6 [9.94,38.4] | 10.4 [5.06,22.2] | 14.7 [6.58,30.6] | <0.001 |
Missing | 167 (0.1%) | 190 (0.1%) | 357 (0.1%) | |
Waist circumstance (cm) | ||||
Median [Q1, Q3] | 82.0 [76.0,88.0] | 70.0 [65.0,77.0] | 76.0 [69.0,84.0] | <0.001 |
Waist-hip ratio | ||||
Median [Q1, Q3] | 0.860 [0.818,0.902] | 0.758 [0.721,0.802] | 0.809 [0.750,0.870] | <0.001 |
Missing | 3 (0.0%) | 7 (0.0%) | 10 (0.0%) | |
