Table 3.

Comparison of K-PERS-I between patients and healthy controls

	Patients (N=217)	Healthy controls (N=154)	p-value
Paternal age at birth	-0.24 (0.44)	-0.37 (0.34)	0.0011
Parental SES	0.40 (0.49)	0.17 (0.37)	2.6E-07
Urbanicity	-0.80 (1.33)	-0.27 (0.86)	4.9E-06
Childhood trauma	2.90 (2.16)	0.88 (1.79)	<0.05
Adult life events	1.77 (3.76)	-1.37 (2.09)	<0.05
Total	4.04 (4.99)	-0.96 (3.15)	<0.05

Values are presented as mean (SD, standard deviation). K-PERS, Korea Polyenvironmental Risk Score; SES, socioeconomic status