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Elevated HIV risk behaviour among recently incarcerated injection drug users in a Canadian setting: a longitudinal analysis Milloy, M-J; Buxton, Jane A.; Wood, Evan; Li, Kathy; Montaner, Julio; Kerr, Thomas
Abstract
Background: While incarceration has consistently been associated with a higher risk of HIV infection for individuals who use injection drugs (IDU), the effect of incarceration on the post-release risk environment remains poorly described. We sought to assess the impact of incarceration on risk factors for HIV infection after release from prison in a sample of active IDU in Vancouver, Canada. Methods Using a prospective cohort of community-recruited IDU followed from May 1, 1996 to November 30, 2005, we examined contingency tables and performed linear growth curve analyses to assess changes in the prevalence of independent risk factors for HIV infection from before to after a period of incarceration among participants reporting incarceration and a matched control group. Results Of the 1603 participants followed-up over the study period, 147 (9.2%) were eligible for an analysis of post-incarceration risk behaviours and 742 (46.3%) were used as matched controls. Significant differences were found in one or both groups for the prevalence of frequent cocaine injection, requiring help injecting, binge drug use, residence in the HIV outbreak epicentre, sex-trade participation and syringe sharing (all p < 0.05) after incarceration. In linear growth curve adjusted for age, gender and ethnicity, syringe sharing was significantly more common in those recently released from prison (p = 0.03) than in the control group. Conclusion In a sample of Canadian IDU, we did not observe any effect of incarceration on the prevalence of several behaviours that are risk factors for HIV infection, including intensity of drug use or participation in the sex trade. However, those recently released from prison were more likely to report syringe sharing that those in a matched control group.
Item Metadata
| Title |
Elevated HIV risk behaviour among recently incarcerated injection drug users in a Canadian setting: a longitudinal analysis
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| Creator | |
| Publisher |
BioMed Central
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| Date Issued |
2009-05-27
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| Description |
Background:
While incarceration has consistently been associated with a higher risk of HIV infection for individuals who use injection drugs (IDU), the effect of incarceration on the post-release risk environment remains poorly described. We sought to assess the impact of incarceration on risk factors for HIV infection after release from prison in a sample of active IDU in Vancouver, Canada.
Methods
Using a prospective cohort of community-recruited IDU followed from May 1, 1996 to November 30, 2005, we examined contingency tables and performed linear growth curve analyses to assess changes in the prevalence of independent risk factors for HIV infection from before to after a period of incarceration among participants reporting incarceration and a matched control group.
Results
Of the 1603 participants followed-up over the study period, 147 (9.2%) were eligible for an analysis of post-incarceration risk behaviours and 742 (46.3%) were used as matched controls. Significant differences were found in one or both groups for the prevalence of frequent cocaine injection, requiring help injecting, binge drug use, residence in the HIV outbreak epicentre, sex-trade participation and syringe sharing (all p < 0.05) after incarceration. In linear growth curve adjusted for age, gender and ethnicity, syringe sharing was significantly more common in those recently released from prison (p = 0.03) than in the control group.
Conclusion
In a sample of Canadian IDU, we did not observe any effect of incarceration on the prevalence of several behaviours that are risk factors for HIV infection, including intensity of drug use or participation in the sex trade. However, those recently released from prison were more likely to report syringe sharing that those in a matched control group.
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| Geographic Location | |
| Genre | |
| Type | |
| Language |
eng
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| Date Available |
2015-10-24
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| Provider |
Vancouver : University of British Columbia Library
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| Rights |
Attribution 4.0 International (CC BY 4.0)
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| DOI |
10.14288/1.0220716
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| URI | |
| Affiliation | |
| Citation |
BMC Public Health. 2009 May 27;9(1):156
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| Publisher DOI |
10.1186/1471-2458-9-156
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| Peer Review Status |
Reviewed
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| Scholarly Level |
Faculty
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| Copyright Holder |
Milloy et al.
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| Rights URI | |
| Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
Attribution 4.0 International (CC BY 4.0)