. Author manuscript; available in PMC: 2010 Jul 1.

Published in final edited form as: Schizophr Res. 2009 May 1;112(1-3):136–142. doi: 10.1016/j.schres.2009.04.007

Table 1.

Demographics of the current sample, parsed by diagnostic status.

Demographic Characteristics of Diagnostic Groups
	Controls	Siblings	Probands

Age^*	34.38 ± 10.05	36.94 ± 9.96	36.2 ± 9.44
Years of Education^*	16.72 ± 2.85	15.87 ± 2.48	13.81 ± 2.14
Family SES¹	48.1 ± 13.28	52.86 ± 12.77	51.79 ± 12.54
Gender
Male	117 (44.8%)	129 (41%)	216 (75.5%)
Female	144 (55.2%)	186 (59%)	70 (24.5%)
Race/Ethnicity
African American	34 (13%)	10 (3.2%)	13 (4.5%)
Hispanic	7 (2.7%)	6 (1.9%)	7 (2.4%)
Caucasian	204 (78.2%)	282 (89.5)	249 (87.1%)
Native American or Alaskan Native	1 (.4%)	2 (.6%)	2 (.7%)
Asian	8 (3.1%)	2 (.6%)	3 (1%)
Mixed Race	7 (2.7%)	13 (4.1 %)	12 (4.2 %)

Value plus or minus one standard deviation