Predicting South Korea adolescents vulnerable to depressive disorder using Bayesian nomogram: A community-based cross-sectional study

Table 2 General characteristics of subjects (mean ± SD)

Characteristic	n	%
Depressive disorder
No	1999	82.0
Yes	439	18.0
Gender
Male	1318	54.1
Female	1120	45.9
Number of siblings (including the subject)
1 person	358	14.7
2 people	1487	61.0
3 people	515	21.1
4 people	78	3.2
Mean sleeping hours per day
< 5 h	63	2.6
6 h	236	9.7
7 h	600	24.6
8 h	986	40.4
9 h	454	18.6
≥ 10 h	99	4.1
Mean conversation time with parents per day
< 30 min	456	18.7
≥ 30 min and < 1 h	781	32.0
≥ 1 h and < 2 h	644	26.4
≥ 2 h and < 3 h	351	14.4
≥ 3 h	206	8.4
Satisfaction with academic achievement
Dissatisfied	577	23.9
Not dissatisfied or satisfied	906	37.6
Satisfied	928	38.5
Satisfaction with school life
Dissatisfied	144	5.9
Not dissatisfied or satisfied	616	25.4
Satisfied	1666	68.7
Attention	15.2 ± 3.9
Aggression	11.4 ± 3.5
Social withdrawal	10.6 ± 3.5
Physical symptoms	14.9 ± 4.8