. Author manuscript; available in PMC: 2013 Sep 1.

Published in final edited form as: Schizophr Res. 2012 Jul 15;140(1-3):83–86. doi: 10.1016/j.schres.2012.06.033

Table 2. Comparisons of SZ and SZ-OCD Groups on Demographic Variables.

	SZ Mean (SD)	SZ-OCD Mean (SD)	p	d
Age	38.5 (9.6)	41.3 (8.0)	ns	−0.32
SES	2.5 (1.0)	2.5 (1.3)	ns	0.08
Race			ns	−0.13
Handedness			ns	0.02
Est. VIQ	98.5 (22.1)	100.7 (10.2)	ns	0.10
Education	13.9 (2.3)	14.9 (2.8)	ns	0.44
GAS	38 (10)	34 (5)	ns	0.36
CPZ	617 (490)	945 (1076)	ns	0.39

d = Cohen’s effect size for group contrast

SES = socioeconomic status, Est VIQ = estimated verbal IQ, GAS = global assessment of functioning score, CPZ = chlorpromazine equivalent dose.