. Author manuscript; available in PMC: 2016 Jun 1.

Published in final edited form as: Schizophr Res. 2015 Apr 11;165(1):76–82. doi: 10.1016/j.schres.2015.03.033

Table 1.

Demographic and Clinical Variables, in four Different Patient Samples with Schizophrenia

	Mt. Sinai Sample		Valero I		Valero II		SCOPE
	n=233		n=195		n=214		n=179
Characteristic	n	%	n	%	n	%	n	%	x²	p
Male	161	70	134	69	139	65	107	60	1.36	0.51
Race
Caucasian	133	57	106	54	117	55	102	57	2.02	0.36
African American	89	38	74	38	77	36	72	40	0.89	0.64
Other or more than 1	11	5	14	8	20	9	5	3	5	0.08
Hispanic Ethnicity	23	10	23	12	50	23	43	24	19.32	<0.001
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	F	df	p
Age (Years)	58.4	7.3	44.3	11.7	41.0	12.4	38.54	13.45	158.04	2	<0.001
Education	12.5	2.4	12.8	2.7	12.3	2.2	12.4	2.4	2.86	2	0.115

Note. Mt. Sinai Patients are from New York; Valero I patients are from Atlanta and San Diego; Valero II patients are from Atlanta, San Diego, and Miami; SCOPE patients are from Miami and Dallas.