Table 1. Demographic characteristics of the study population.

		Schizophrenia	Bipolar Disorder	Control
		N = 396	N = 381	N = 594
Age Mean (SD)		37.6 (13.5)	36.7 (13)	32.7 (11.4)
Parental Education		13.1 (2.6)	13.5 (2.9)	13.7 (2.7)
Gender (Female)	Number	126	259	374
	%	31.8	68.08	63
Race/Ethnicity
White	Number	184	281	332
	%	46.5	73.8	55.9
African American	Number	196	75	186
	%	49.5	19.7	31.3
Asian	Number	5	13	51
	%	1.3	3.4	8.6
Hispanic	Number	6	1	8
	%	1.5	0.3	1.4
Other	Number	5	11	17
	%	1.3	2.9	2.9
Place of Birth
Baltimore City	Number	219	178	257
	%	55.3	46.7	43.3
Rest of Maryland	Number	67	71	61
	%	16.9	18.6	10.3
Rest of United States and Canada	Number	88	111	222
	%	22.2	29.1	37.4
Outside of United States and Canada	Number	22	21	54
	%	5.6	5.5	9.1