Table 1.

Demographics of patients with and without mental disorders

	Total sample [147,193 (100.0%)]	Schizophrenia [22,817 (15.5%)]	Bipolar disorder [15,203 (10.3%)]	Other psychosis [7336 (5.0%)]	Major depressive disorder [34,952 (23.8%)]	Other depression [50,813 (34.5%)]	No psychiatric disorder [16,072 (10.9%)]	χ²	P
Sociodemographic factors
Age (years)
<50	23.32	33.33	33.18	17.72	24.42	19.22	12.85	7742.5	<.0001
50–<65	37.09	38.62	41.01	28.99	41.98	35.92	27.96
≥65	39.60	28.04	25.81	53.29	33.60	44.86	59.18
Male	93.67	95.23	90.31	95.94	91.68	94.11	96.52	913.0	<.0001
Race/ethnicity
Black	12.42	22.05	8.79	18.20	10.02	9.88	12.80	3403.4	<.0001
White	72.21	59.58	76.47	65.31	74.32	75.59	73.93
Other	15.37	18.37	14.74	16.49	15.66	14.53	13.27
Education
Less than high school	22.84	21.25	12.84	31.17	20.03	25.66	28.00	2394.6	<.0001
High school graduate or general equivalency diploma	32.87	38.23	30.82	32.68	31.33	32.42	32.12
College or more	44.40	40.52	56.34	36.15	48.64	41.91	39.88
Someone to take patient to the doctor	82.75	80.11	79.52	83.83	81.31	83.86	88.61	698.2	<.0001
Financial hardship	22.72	26.27	26.90	23.05	25.26	21.42	12.17	1496.2	<.0001
Living alone	28.49	32.18	31.88	26.17	28.99	27.71	22.50	514.0	<.0001
Service connection	48.04	59.39	48.79	47.01	49.68	45.14	37.27	2139.4	<.0001
Any non-VA care use	46.14	40.03	45.32	41.77	46.08	47.89	52.14	688.2	<.0001
Clinical/severity factors
Diabetes diagnosis	23.24	21.65	19.55	25.34	23.17	24.60	23.87	223.0	<.001
Cardiovascular disease	16.81	10.97	12.36	26.88	17.14	19.84	14.46	1704.5	<.001
Hypertension diagnosis	55.38	46.81	48.37	59.05	55.52	60.08	57.32	1499.2	<.001
Hyperlipidemia diagnosis	35.17	29.46	32.86	28.80	37.93	37.72	34.28	758.9	<.001
Cerebrovascular disease	2.81	1.99	1.90	7.80	2.66	3.21	1.60	888.9	<.001
Any hospitalization (FY 1998–1999)	30.96	35.68	38.89	47.75	31.45	28.55	15.67	3554.0	<.001
Other psychiatric disorders
Dementia diagnosis	4.41	4.70	3.70	22.33	3.30	3.74	1.07	6189.4	<.001
PTSD diagnosis	22.59	21.99	30.17	23.60	33.23	19.35	2.86	6654.7	<.001
Behavioral factors
Current smoker	36.80	49.21	44.30	33.43	36.53	33.94	23.28	3317.9	<.001
Hazardous drinking	24.15	22.16	21.44	20.22	23.59	25.18	29.17	412.0	<.001
Physical activity less than three times per week	47.39	45.63	43.95	57.96	48.87	49.41	38.73	1012.4	<.001
Illicit drug use disorder	10.52	15.70	18.05	15.19	11.13	7.65	1.68	3529.3	<.001
									Pr>F
Charlson score (mean±S.D.)	0.8±1.3	0.7±1.2	0.7±1.3	1.0±1.5	0.9±1.4	0.9±1.4	0.7±1.2		<.001
Charlson score range	0–18	0–15	0–18	0–12	0–16	0–17	0–16
Age in years (mean±S.D.)	59.7±13.5	56.0±12.6	55.5±12.7	64.1±14.4	58.3±12.9	61.3±13.4	65.0±13.0		<.001