Table 2.

Health characteristics.

	No use (n=438)		Moderate use (1 or 2 days, n=225)		High use (>2 days, n=92)
Characteristic	N	%	N	%	N	%	Test statistic	DF
Physical Health
Medical problemsd (M ± SD)	3.6 ± 2.9		4.9 ±3.3		6.0 ±3.8		F = 28.2***abc	2,752
SF-12 Physical Healthe (M ± SD)	46.4 ± 9.7		44.3 ± 10.4		40.0 ± 10.3		F = 16.2 ***abc	2, 752
Mental Health
Mental health problemsf (M ± SD)	1.9 ± 1.7		2.3 ±1.7		2.4 ±1.7		F = 7.2 ***ab	2,749
Schizophrenia	114	26	53	24	29	32	χ2 = 2.3	2
Bipolar d/do	137	32	81	36	36	40	χ2 = 2.6	2
Depression	228	53	137	61	56	62	χ2 = 5.6	2
Other psychotic d/o	54	13	40	18	13	15	χ2 = 4.0	2
Adjustment d/o	18	4	16	7	4	5	χ2 = 2.9	2
Personality d/o	41	10	27	12	12	13	χ2 = 1.6	2
PTSD	83	20	71	32	24	27	χ2 = 13.2 **a	2
Anxiety d/o	117	27	80	36	37	41	χ2 = 9.5 **ab	2
Dual MH and SA diagnoses	212	50	118	55	65	72	χ2 = 15.1***ab	2
SF-12 mental healthg (M ± SD)	38.6 ±8.0		39.0 ±8.4		39.8 ±8.9		F = .8	2,752
Substance use
Dual MH and SA diagnoses	212	50	118	55	65	72	χ2 = 15.1***ab	2
ASI – alcoholh (M ± SD)	.1 ± .2		.2 ± .2		.2 ± .3		F = 5.9 **ab	2,752
ASI – drugh (M ± SD)	.05 ± .1		.05 ± .1		.08 ± .1		F = 5.7 **b	2,752
Currently smoker	346	79	180	80	81	88	χ2 = 4.0	2

^*p<.05,

^**p<.01,

^***p<.001

^aDifference between no use and high use significant (P<.05)

^bDifference between no use and moderate use significant (P<.05)

^cDifference between moderate and high use significant (P<.05)

^dPossible scores ranging from 0 to 27, with higher scores indicating more medical problems.

^ePossible scores ranging from 0 to 100, with higher scores indicating better health

^fPossible scores ranging from 0 to 7, with higher scores indicating more mental health problems.

^gPossible scores ranging from 0 to 100, with higher scores indicating better functioning

^hPossible scores ranging from 0 to 1, with higher scores indicating greater addiction severity