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Table 4 Associations between demographic and behavioral characteristics and HCV incident case status using logistic regression analysis (n = 488)

From: Incidence of primary hepatitis C infection and risk factors for transmission in an Australian prisoner cohort

Variable Odds ratio 95% CI p
Age >25 years 1.29 0.69 - 2.43 0.43
Male gender 0.75 0.41 - 1.39 0.37
ATSI 1.36 0.73 - 2.53 0.33
Previously imprisoned 2.45 1.18 - 5.11 0.02
Continuously in prison 0.68 0.27 - 1.62 0.41
Duration of imprisonment (weeks) 0.93 0.73 - 1.20 0.60
Ever had a tattoo 2.01 1.01 - 4.01 0.05
Duration of IDU (years) 1.27 0.84 - 1.92 0.26
Ever shared IDU equipment 1.34 0.69 - 2.62 0.39
Ever daily IDU 0.77 0.34 - 1.76 0.53
Ever injected heroin 0.76 0.39 - 1.48 0.42
Ever injected methadone/buprenorphine 1.20 0.63 - 2.29 0.57
Ever IDU in prison 0.87 0.37 - 2.04 0.74
Ever injected by someone else 0.62 0.34 - 1.14 0.12
IDU in 3 months prior to imprisonment* 0.93 0.31 - 2.78 0.89
Daily IDU in 3 months prior to imprisonment* 3.70 1.36 - 10.10 0.01
Always bleached IDU equipment in 3 months prior to imprisonment* 0.38 0.1 - 1.39 0.14
IDU since imprisonment 1.87 0.37 - 9.46 0.45
Shared IDU equipment since imprisonment 0.91 0.18 - 4.48 0.91
Recent break from IDU (>6 months) 0.90 0.47 - 1.70 0.74
Receiving MMT 3.13 1.66 - 5.91 <0.001
  1. * Only inmates who were not continuously in prison were included in this analysis (n = 246)