Table 1.

Demographic and clinical characteristics of the MDD and control groups

Characteristic	MDD	Control	t /χ2	p	Cohen’s d
Age	22.29 ± 1 .47	21.18 ± 3.32	0.43	0.72	0.15
Sex (female/male)	16/14	16/15	0.01	0.84
CES-D	39.25 ± 5.75	18.33 ± 5.14	13.10	0	3.12
Age at onset (years)	21.17 ± 3.22	NA
Illness duration (months)	8.35 ± 4.46	NA