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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Drug Alcohol Depend. 2011 Oct 28;122(3):201–207. doi: 10.1016/j.drugalcdep.2011.09.029

Table 3.

Logistic regression analysis: Predictors of lifetime illicit use of buprenorphine.

Variable Odds
ratio		 95% CI p value
Male vs. female 0.71 0.29-1.71 0.44
White vs. “Other” 19.73 2.45-159.04 0.005
Duration of illicit pharmaceutical opioid use (years) 1.08 0.87-1.35 0.49
Pharmaceutical opioid administration, snorting vs. oral
(past 6 months) 		3.78 1.54-9.25 0.004
Opioid abuse disorder (lifetime) 0.58 0.19-1.79 0.35
Symptoms of opioid dependence (3 or more vs. 2 or less) 3.48 1.13-10.67 0.029
Number of different types of illicit pharmaceutical
opioids used in lifetime 		1.38 1.07-1.78 0.012

Hosmer-Lemeshow test: Χ2 =7.39, df=8, p=0.49