Monitoring hepatitis C virus treatment rates in an Opioid Treatment Program: A longitudinal study

Table 2 Cox regression models for predictors of hepatitis C virus-treatment with direct antiviral agents

	Unadjusted HR (95%CI)	Adjusted HR (95%CI)
Female	0.79 (0.46-1.34)
Age: 5 years increase	1.17 (1.06-1.30)	0.98 (0.81-1.18)
OTP and substance use related variables
Time in OTP (yr)	1.03 (1.01-1.06)	1.02 (0.99-1.05)
Alcohol use (last month)	0.58 (0.37-0.92)	0.72 (0.45-1.17)
Substance use1 (last month)	0.47 (0.30-0.74)	0.48 (0.29-0.80)
Antecedent of injection drug use	1.35 (0.72-2.51)
History of incarceration	1.10 (0.75-1.63)
Co-morbidity
HIV infection	2.23 (1.52-3.28)	1.94 (1.21-3.12)

¹Cannabis, cocaine, heroin. OTP: Opioid Treatment Program; HIV: Human immunodeficiency virus.