Table 1.
Characteristics of students (N = 28,451).
| Characteristic | Male (N = 14,263) |
Female (N = 14,188) |
|---|---|---|
| Age (years) | 16.41 (0.95) | 16.42 (0.95) |
| Subjective health | 3.96 (0.86) | 3.66 (0.86) |
| Existence of social support, N (%) | ||
| Yes | 10,539 (73.89) | 12,562 (88.54) |
| No | 3724 (26.11) | 1626 (11.46) |
| Body mass index, mean (SD) | 22.15 (3.60) | 21.24 (2.83) |
| Academic achievement, N (%) | ||
| Low | 1927 (13.51) | 1440 (10.15) |
| Mid | 7692 (53.93) | 7840 (55.26) |
| High | 4644 (32.56) | 4908 (34.59) |
| Residential area, N (%) | ||
| Rural | 1061 (7.44) | 975 (6.87) |
| Urban | 13,202 (92.56) | 13,213 (93.13) |
| School type, N (%) | ||
| General high school | 11,278 (79.07) | 11,829 (83.37) |
| Vocational high school | 2985 (20.93) | 2359 (16.63) |
| Perceived household economic status, N (%) | ||
| Low | 568 (3.98) | 478 (3.37) |
| Mid | 12,833 (89.97) | 13,165 (92.79) |
| High | 862 (6.04) | 545 (3.84) |
| Suicidal ideation, N (%) | ||
| Yes | 1315 (9.22) | 2068 (14.58) |
| No | 12,948 (90.78) | 12,120 (85.42) |
| Stress, N (%) | ||
| Yes | 4572 (32.05) | 7009 (49.40) |
| No | 9691 (67.95) | 7179 (50.60) |