Table 1 Characteristics of the Study Population (N = 8,746)
Variables | Number (%) |
|---|---|
Gender | |
 Male | 4,339(49.61) |
 Female | 4,407(50.39) |
Grade | |
 Junior school students | 4,414(50.47) |
 Senior school students | 4,332(49.53) |
Smoking | |
 Yes | 1,877(21.46) |
 No | 6,869(78.54) |
Academic achievement | |
 High | 3,605(41.22) |
 Average | 3,602(41.18) |
 Low | 1,539(17.60) |
Living arrangement | |
 Two biological parents | 6,543(74.81) |
 Biological father or mother | 921(10.53) |
 Others | 1,282(14.66) |
Family socioeconomic status | |
 High | 472(5.40) |
 Average | 6,829(78.08) |
 Low | 1,445(16.52) |
Relationship with parents | |
 Good | 7,152(91.90) |
 Average | 533(6.85) |
 Poor | 97(1.25) |
Relationship with classmates | |
 Good | 5,255(60.08) |
 Average | 3,266(37.34) |
 Poor | 225(2.57) |
Feelings about school | |
 Good | 5,249(60.02) |
 Average | 3,061(35.00) |
 Bad | 436(4.99) |
Reactions to parent-child conflict | |
 Suffer in silence | 6,898(78.87) |
 Argue with parents | 1,848(21.13) |
Anorexia nervosa | |
 Never | 2,538(29.02) |
 Occasionally | 4,783(54.69) |
 Sometimes | 1,169(13.37) |
 Often | 256(2.93) |
Suicidal thoughts | |
 Yes | 1,069(12.22) |
 No | 7,677(87.78) |
Depression | |
 Yes | 1,952(22.32) |
 No | 6,794(77.68) |