| Overall, % (95% CI) | 22.4 (22.3 to 22.5) | 20.8 (20.8 to 20.9) | 1.5 (1.5 to 1.6) |
| Age, % (95% CI) |
| 19~39 years | 29.6 (29.4 to 29.7) | 27.4 (27.2 to 27.5) | 59.4 (58.7 to 60.1) |
| 40~59 years | 46.8 (46.6 to 47.0) | 47.7 (47.5 to 47.9) | 35.0 (34.3 to 35.7) |
| ≥60 years | 23.6 (23.5 to 23.8) | 25.0 (24.8 to 25.1) | 5.6 (5.3 to 5.9) |
| Sex, % (95% CI) |
| Man | 90.9 (90.8 to 91.0) | 90.9 (90.8 to 91.0) | 91.2 (90.8 to 91.6) |
| Woman | 9.1 (9.0 to 9.2) | 9.1 (9.0 to 9.2) | 8.8 (8.4 to 9.2) |
| Residence region, % (95% CI) |
| Urban | 51.2 (51.0 to 51.4) | 50.1 (49.9 to 50.2) | 66.9 (66.2 to 67.6) |
| Rural | 48.8 (48.6 to 49.0) | 49.9 (49.8 to 50.1) | 33.1 (32.4 to 33.8) |
| Basic livelihood security recipient, % (95% CI) | 4.5 (4.4 to 4.5) | 4.7 (4.6 to 4.7) | 1.8 (1.7 to 2.0) |
| Income, % (95% CI) |
| Low | 13.0 (12.9 to 13.2) | 13.6 (13.5 to 13.7) | 5.2 (4.9 to 5.6) |
| Middle-low | 35.2 (35.0 to 35.3) | 35.7 (35.6 to 35.9) | 27.3 (26.7 to 27.9) |
| Middle-high | 30.1 (29.9 to 30.3) | 29.8 (29.6 to 30.0) | 34.4 (33.7 to 35.0) |
| High | 21.7 (21.6 to 21.9) | 20.9 (20.7 to 21.0) | 33.1 (32.4 to 33.8) |
| Education background, % (95% CI) |
| Elementary school or less | 11.1 (11.0 to 11.3) | 11.8 (11.7 to 11.9) | 2.1 (1.9 to 2.3) |
| Middle school | 10.3 (10.2 to 10.4) | 10.8 (10.7 to 10.9) | 3.8 (3.5 to 4.0) |
| High school | 39.0 (38.9 to 39.2) | 39.6 (39.4 to 39.7) | 31.9 (31.3 to 32.6) |
| College or more | 39.5 (39.3 to 39.7) | 37.8 (37.6 to 38.0) | 62.2 (61.5 to 62.9) |
| Occupational group, % (95% CI) |
| White-collar | 21.2 (21.0 to 21.3) | 20.1 (20.0 to 20.3) | 35.1 (34.4 to 35.8) |
| Blue-collar | 57.6 (57.4 to 57.8) | 58.2 (58.0 to 58.4) | 49.2 (48.5 to 49.8) |
| Soldier | 0.7 (0.7 to 0.7) | 0.7 (0.6 to 0.7) | 1.4 (1.3 to 1.6) |
| Unemployed | 20.5 (20.4 to 20.7) | 21.0 (20.8 to 21.1) | 14.3 (13.8 to 14.8) |
| Marital status, yes, % (95% CI) | 65.4 (65.3 to 65.6) | 66.2 (66.0 to 66.3) | 55.9 (55.2 to 56.6) |
| Subjective health level, % (95% CI) |
| Good | 41.0 (40.8 to 41.1) | 40.7 (40.5 to 40.9) | 44.7 (44.0 to 45.3) |
| Normal | 44.4 (44.2 to 44.6) | 44.4 (44.2 to 44.6) | 44.8 (44.1 to 45.5) |
| Bad | 14.6 (14.5 to 14.8) | 14.9 (14.8 to 15.1) | 10.5 (10.1 to 11.0) |
| Walking activities, % (95% CI) |
| ≤1 times/week | 29.6 (29.4 to 29.7) | 30.0 (29.9 to 30.2) | 23.4 (22.8 to 24.0) |
| 2 to 4 times/week | 21.0 (20.8 to 21.1) | 20.9 (20.7 to 21.0) | 22.3 (21.7 to 22.8) |
| ≥5 times/week | 49.5 (49.3 to 49.6) | 49.1 (48.9 to 49.3) | 54.4 (53.7 to 55.1) |
| BMI group, % (95% CI) |
| Underweight | 3.6 (3.5 to 3.6) | 3.6 (3.5 to 3.7) | 2.9 (2.7 to 3.1) |
| Normal | 38.1 (37.9 to 38.3) | 38.6 (38.5 to 38.8) | 30.6 (30.0 to 31.3) |
| Overweight | 25.2 (25.1 to 25.4) | 25.4 (25.2 to 25.6) | 23.0 (22.4 to 23.6) |
| Obese | 33.1 (32.9 to 33.3) | 32.4 (32.2 to 32.5) | 43.4 (42.8 to 44.1) |
| Depressive experience within one year, yes, % (95% CI) | 6.7 (6.6 to 6.8) | 6.6 (6.5 to 6.7) | 7.6 (7.2 to 8.0) |