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. Author manuscript; available in PMC: 2015 Mar 24.

Published in final edited form as: Psychiatr Rehabil J. 2015 Mar;38(1):45–54. doi: 10.1037/prj0000107

Table 2. Bivariate analyses of substance use and HIV risk behavior by mental health problem (N=136).

	Anxiety		Test Statistic (χ²/t-score)	Depression		Test Statistic (χ²/t-score)	PTSD		Test Statistic (χ²/t-score)
	yes	no	Test Statistic (χ²/t-score)	yes	no	Test Statistic (χ²/t-score)	yes	no	Test Statistic (χ²/t-score)
ASSIST Scores (range 0-39)
Cannabis	9.9	9.1	-0.4	10.2	7.8	-1.1	9.6	9.6	0.0
Cocaine	8.9	4.5	-2.2^*	8.5	3.0	-2.33^**	8.4	5.3	-1.5
Stimulants	4.1	4.3	0.2	4.1	4.3	0.1	4.1	4.2	0.1
Methamphetamine	12.4	10.9	-0.6	12.4	9.9	-0.8	14.1	8.2	-2.3^**
Sedatives	20.4	15.9	-1.7^*	19.3	16.5	-0.9	18.6	18.9	0.1
Illicit opioids	8.1	3.8	-2.03^*	7.4	3.2	-1.7^*	7.7	4.4	-1.5
Prescription opiates	29.5	23.6	-2.4^**	28.7	22.3	-2.2^**	28.6	25.0	-1.4
HIV Risk Behavior
# male sex partners (past year)	4.4	2.2	-1.4	4.0	2.1	-1.0	4.7	1.7	-1.8
Any IDU (past year)	66.7%	53.9%	2.2	64.8%	51.6%	1.8	68.2%	51.0%	4.0^*
# IDU days (past month)	14.6	11.2	-1.4	14.5	9.0	-2.0^*	14.9	10.7	-1.7^*

^*

p<.05,

^**

p<.01