Table 1.

Descriptive statistics of demographic characteristics and scores of Children Depression Inventory 2 (CDI 2) and its short-form (CDI 2:S)

	Normal (N=714)	Depression group (N=54)	p value
Age	13.85 (1.87)	15.37 (1.71)	0.001
Sex (male/female) (%)	330 (46.2)/384 (53.8)	18 (33.3)/36 (66.7)	0.067
CDI 2	10.43 (6.75)	28.74 (10.08)	<0.001
Male	9.52 (5.91)	24.78 (11.32)	<0.001
Female	11.21 (7.32)	30.72 (8.91)	<0.001
CDI 2:S	4.78 (3.29)	13.43 (4.54)	<0.001
Male	4.36 (2.91)	12.06 (5.30)	<0.001
Female	5.14 (3.56)	14.11 (4.01)	<0.001

Standard deviation is shown in parentheses. p value for sex was calculated by chi-square test, p values for age, CDI 2 and CDI 2:S scores were calculated by independent sample t-test