Table 3.

Multivariate analysis of risk factors for hepatitis C virus

	Univariate logistic regression			Multivariate logistic regression
Variable	Exp (b)	95%CI	P value	Exp (b)	95%CI	P value
Gender (female vs male)	0.072	0.009-0.55	0.011	0.578	0.043-7.71	0.679
PWID (yes vs no)	402.889	91.3-1777.1	< 0.001	188.95	33.88-1053.82	< 0.001
Served time in prison (yes vs no)	19.515	6.89-55.25	< 0.001	4.076	0.623-26.67	0.143
HIV (yes vs no)	17.6	4.8-64.6	< 0.001	5.32	0.242-116.78	0.289
Born in the former USSR (yes vs no)	0.25	0.09-0.67	0.006	0.562	0.092-3.42	0.532

Dependent variable: Hepatitis C virus positive. PWID: People who inject drugs; HIV: Human immunodeficiency virus; USSR: Union of Soviet Socialist Republics.