. Author manuscript; available in PMC: 2015 Apr 20.

Published in final edited form as: J Subst Abuse Treat. 2012 Mar 16;43(3):359–365. doi: 10.1016/j.jsat.2012.01.002

Table 2.

Prediction of Risk Behaviors Outcomes by Risky Sex Scale (RSS) Subscales (N = 361)

Risk behavior outcomes	RSE OR/IRR	95% CI	RSB OR/IRR	95% CI	GSRP OR/IRR	95% CI
Co-occurring sex and alcohol use (past year)	1.21^*	1.06 - 1.39	1.11	0.96 - 1.28	1.03	0.89 - 1.19
Co-occurring sex and drug use (past year)	1.08	0.96 - 1.26	1.18^*	1.03 - 1.35	0.95	0.85 - 1.06
Lifetime sex partners	1.03	0.91 - 1.18	1.05	0.88 - 1.27	0.89^§	0.79 - 1.01
Days Unprotected Intercourse^b (prior 30 days)
Count	1.16	0.94 - 1.43	1.05	0.75 - 1.48	1.19	0.91 - 1.55
Yes/No	1.09	0.83 - 1.42	1.68^**	1.26 - 2.25	1.08	0.84 - 1.40
Alcohol use last intercourse^a	2.04^**	1.21 - 3.41	0.95	0.52 - 1.73	1.13	0.76 - 1.68
Drug use last intercourse^a	1.40^§	0.94 - 2.10	0.99	0.64 - 1.52	0.77^§	0.55 - 1.06
Condom use last intercourse^a	1.05^§	0.99 - 1.12	0.90^*	0.83 - 0.97	0.99	0.93 - 1.05
Total alcohol use (prior 30 days)^b
Count	1.09	0.84 - 1.43	1.22	0.85 - 1.74	0.85^§	0.70 - 1.04
Yes/No	1.83^**	1.38 - 2.41	0.85	0.64 - 1.12	1.16	0.90 - 1.48
Number drinks per drinking day (prior 30 days)^b
Count	1.03	0.86 - 1.24	1.16	0.90 - 1.50	0.93	0.81 - 1.08
Yes/No	1.78^**	1.36 - 2.31	0.87	0.66 - 1.14	1.16	0.91 - 1.48
Number days drugs used (prior 30 days)	1.05	0.95 - 1.15	1.06	0.95 - 1.17	0.95	0.87 - 1.03

Note.

Analyzed as a dichotomous variable.

Zero-inflated Poisson (ZIP) models were used for these outcomes.

^§

p < .1

p < .05

^**

p < .01

^***

p < .001.