. Author manuscript; available in PMC: 2022 Sep 22.

Published in final edited form as: Clin EEG Neurosci. 2019 Aug 7;51(4):198–206. doi: 10.1177/1550059419868115

Table 1.

Demographic Information.

	System 1 Subsample			System 2 Subsample			System 3 Subsample			All Subjects
	FESz	HC	P	FESz	HC	P	FESz	HC	P	FESz	HC	P
N (male/female)	32 (26/6)	34 (27/7)	.85	25 (22/3)	33 (28/5)	.73	49 (34/15)	47 (33/14)	.93	106 (82/24)	114 (88/26)	.98
Age, y, mean (SD)	28.7 (7.2)	27.6 (6.4)	.52	23.5 (5.6)	23.7 (4.2)	.91	23.3 (6.1)	24.9 (7.7)	.25	25.0 (6.8)	25.3 (6.6)	.67
PSES, mean (SD)	1.9 (1.1)	1.7 (1.0)	.29	2.1 (1.1)	1.8 (1.1)	.37	1.9 (1.6)	1.8 (1.0)	.94	1.9 (1.4)	1.8 (1.0)	.32
Info, mean (SD)	11.5 (3.0)	11.6 (1.8)	.84	12.1 (2.8)	12.8 (1.9)	.25	12.4 (2.2)	12.6 (1.8)	.60	12.0 (2.6)	12.4 (1.9)	.26

Abbreviations: FESz, first-episode schizophrenia; HC, healthy controls; PSES, parental socioeconomic status; Info, scaled score on WAIS (Wechsler Adult Intelligence Scale) Information subtest.