Table 1 Demographic characteristics of the study sample

Total number

128

32

36

-

Age (year, mean ± SD)*

14.69 ± 1.76

13.94 ± 1.46

15.52 ± 0.51

0.00^b

Male/female

32/96

10/22

10/26

0.76^a

Height (m, mean ± SD)

164.30 ± 7.84

163.94 ± 9.09

166.83 ± 9.34

0.24^b

Weight (kg, mean ± SD)

56.24 ± 13.05

58.17 ± 58.17

58.0 ± 12.24

0.68^b

BMI (kg/m², mean ± SD)

20.69 ± 3.72

21.34 ± 4.96

20.61 ± 2.76

0.65^b

Smoking(Yes, No)

15/113

2/30

0/36

0.076^a

Drinking(Yes, No)

15/113

1/31

0/36

0.04^a

Antidepressants prior to admission(Yes, No)*

84/44

17/15

0/36

0.00^a

Self-harm(Yes, No)*

84/44

15/17

2/34

0.00^a

PHQ-9(mean ± SD)*

18.68 ± 5.23

14.71 ± 6.51

4.89 ± 2.35

0.00^b

GAD-7(mean ± SD)*

13.57 ± 4.40

12.00 ± 5.41

5.43 ± 3.96

0.00^b

PHQ-15(mean ± SD)*

14.53 ± 5.64

12.06 ± 12.06

6.77 ± 3.99

0.00^b