Table 1. Cohort Characteristics, by State (2002–2008).

Demographic and Health Status Variables.

STATE	California	Florida	New York	North Carolina
Number Person-Episodes	139,065	25,146	120,704	40,458
% Black, Latino, White	29, 18, 53	31, 28, 41	40, 22, 38	60, 1, 39
% Female	43	50	45	53
Mean Age ± SD	42.9 ± 11.49	42.4 ± 11.97	43.2 ± 11.24	41.4 ± 12.20
% Ever Supplemental Security Income¶	99	97	90	95
% Vascular-metabolic comorbidities¶	43	36	48	50
% Other chronic medical comorbidities¶	32	29	29	26
% Psychiatric comorbidities¶	33	29	40	40
% Substance Use Disorders¶	13	7	18	15
Mean inpatient (IP) days ±SD¶	1.2 ± 6.68	1.5 ± 8.38	2.6 ± 12.96	0.8 ± 4.27
% ≥ 2 Emergency Department (ED) visits¶	1.11	0.06	0.19	0.78

^¶These summary statistics were calculated only for person-episodes having 6 months of uninterrupted FFS enrollment preceding the first schizophrenia claim (CA = 107,714; FL = 16,412; NY = 88,700; NC = 32,102).