Abstract
Background: Hepatitis C virus (HCV) rates are higher in non-injecting drug users (NIDUs) than general population estimates. Whether this elevated HCV rate is due to drug use or other putative risk behaviors remains unclear. Methods: Recent non-injection drug users of heroin, crack and/or cocaine were street-recruited from 2000 to 2003 and underwent an interview and venipuncture for HCV antibody assays. Multiple logistic regression analyses were used to assess correlates for HCV infection. Results: Of 740 enrollees, 3.9% were HCV positive. The median age (intraquartile range) was 30 (35–24) years, 70% were male and 90% were Black or Hispanic. After adjustment, HCV seropositives were significantly more likely than seronegatives to be older than 30 [adjusted odds ratio (AOR) = 5.71], tattooed by a friend/relative/acquaintance [AOR = 3.61] and know someone with HCV [AOR = 4.29], but were less likely to have shared nail or hair clippers, razors or a toothbrush [AOR = 0.32]. Conclusions: Non-commercial tattooing may be a mode of HCV transmission among NIDUs and education on the potential risk in using non-sterile tattooing equipment should be targeted toward this population. While no evidence was found for HCV transmission through NIDU equipment sharing or sexual risk behavior, further research is still warranted.
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