Table 1.
Characteristics of the participants
| Total (n = 23,112) | Men (n = 12,488) | Women (n = 10,624) | p value | |
|---|---|---|---|---|
| Age, years | 40.6±10.2 | 42.7±10.1 | 38.2±9.7 | <0.0001 |
| Age group, n (%) | <0.0001 | |||
| 18–29 years | 4,382 (19.0) | 1,710 (13.7) | 2,672 (25.2) | |
| 30–39 years | 6,153 (26.6) | 2,998 (24.0) | 3,155 (29.7) | |
| 40–49 years | 7,915 (34.2) | 4,347 (34.8) | 3,568 (33.6) | |
| 50–59 years | 4,662 (20.2) | 3,433 (27.5) | 1,229 (11.6) | |
| Education level | <0.0001 | |||
| Junior high school or below | 11,960 (51.7) | 7,156 (57.3) | 4,804 (45.2) | |
| Senior high school | 5,700 (24.7) | 3,142 (25.2) | 2,558 (24.1) | |
| Junior college | 3,298 (14.3) | 1,332 (10.7) | 1,966 (18.5) | |
| Bachelor's or higher | 2,154 (9.3) | 858 (6.9) | 1,296 (12.2) | |
| Marital status | <0.0001 | |||
| Unmarried | 1,906 (8.2) | 963 (7.7) | 943 (8.9) | |
| Married | 20,661 (89.4) | 11,317 (90.6) | 9,344 (88.0) | |
| Divorced/widowed | 545 (2.4) | 208 (1.7) | 337 (3.2) | |
| Family economic level | <0.0001 | |||
| Low | 15,078 (65.2) | 8,580 (68.7) | 6,498 (61.2) | |
| Middle | 4,827 (20.9) | 2,413 (19.3) | 2,414 (22.7) | |
| High | 1,595 (6.9) | 710 (5.7) | 885 (8.3) | |
| Unknown | 1,612 (7.0) | 785 (6.3) | 827 (7.8) | |
| Occupation activity intensity | <0.0001 | |||
| Light | 14,677 (63.5) | 6,508 (52.1) | 8,169 (76.9) | |
| Moderate | 6,666 (28.8) | 4,547 (36.4) | 2,119 (19.9) | |
| Active | 1,769 (7.7) | 1,433 (11.5) | 336 (3.2) | |
| Transportation mode | <0.0001 | |||
| Active | 8,866 (38.4) | 3,989 (31.9) | 4,877 (45.9) | |
| Inactive | 14,246 (61.6) | 8,499 (68.1) | 5,747 (54.1) | |
| Time spent on housework | <0.0001 | |||
| <30 min/day | 7,383 (31.9) | 5,843 (46.8) | 1,540 (14.5) | |
| 30–59.9 min/day | 5,077 (22.0) | 3,156 (25.3) | 1,921 (18.1) | |
| ≥60 min/day | 10,652 (46.1) | 3,489 (27.9) | 7,163 (67.4) | |
| Leisure-time physical activity | 0.0465 | |||
| <150 min/week | 21,625 (93.6) | 11,722 (93.9) | 9,903 (93.2) | |
| ≥150 min/week | 1,487 (6.4) | 766 (6.1) | 721 (6.8) | |
| Work sitting time | <0.0001 | |||
| <2 h/day | 4,699 (20.3) | 2,913 (23.3) | 1,786 (16.8) | |
| 2–4.9 h/day | 9,030 (39.1) | 5,082 (40.7) | 3,948 (37.2) | |
| ≥5 h/day | 9,383 (40.6) | 4,493 (36.0) | 4,890 (46.0) | |
| Leisure sitting time | <0.0001 | |||
| <2 h/day | 4,489 (19.4) | 2,203 (17.6) | 2,286 (21.5) | |
| 2–2.9 h/day | 8,622 (37.3) | 4,607 (36.9) | 4,015 (37.8) | |
| ≥3 h/day | 10,001 (43.3) | 5,678 (45.5) | 4,323 (40.7) | |
| BMI | 23.6±3.3 | 24.0±3.3 | 23.0±3.3 | <0.0001 |
| Overweight or obesea | 7,119 (30.8) | 4,559 (36.5) | 2,560 (24.1) | <0.0001 |
| Overweight or obeseb | 9,543 (41.3) | 6,030 (48.3) | 3,513 (33.1) | <0.0001 |
Values are expressed as n (%) or mean ± SD.
A
Based on the WHO definition
B
based on the WGOC definition.