Table 1.

Demographics

	HC	BDNP	BDP	SAD	SZ	Statistic	P
N	426	73	190	242	268	F(4,1194) = 12.09***	<.001
Mean age	34	41	37	39	40
Age SD	12.35	12.63	11.50	11.26	11.80
Sex (% F)	58	73	57	55	37	χ 2(4) = 45.41***	<.001
N from each site
Boston	90	9	27	27	53
Chicago	57	0	57	57	51
Dallas	78	27	42	36	60
Georgia	97	2	21	49	47
Hartford	35	35	43	73	57

Note. HC, healthy controls; BDNP, bipolar I disorder without psychotic features; BDP, bipolar I disorder with psychotic features; SAD, schizoaffective disorder; SZ, schizophrenia.