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

BMC Public Health

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

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

* Only inmates who were not continuously in prison were included in this analysis (n = 246)

ISSN: 1471-2458