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The impact of migration on drug and HIV-related risk behaviours among injection drug users : evidence from the Vancouver injection drug users study Rachlis, Beth Stephanie
Abstract
Background: Migration is one social factor responsible for the spread of HIV/AIDS. The objectives of this project were to describe migration patterns, including rates of and types of migration, among participants in the Vancouver Injection Drug Users Study (VIDUS); to identify factors associated with migration; and to determine the impact of migrating out of Greater Vancouver (GV) on drug use practices and HIV-related risk behaviours among this population. Methods: VIDUS is an open prospective cohort of injection drug users (IDU). At baseline and semi-annually, participants complete an interviewer-administered questionnaire which elicits socio-demographic data, information regarding injection and non-injection drug use, sexual risk behaviours and enrollment into addiction treatment. A l l participants were residents of GV at the time of recruitment. Correlates of migration, defined as living outside GV during follow-up, were first identified for all participants with at least one follow-up between June 1999 - May 2005. In a separate analysis, risk behaviours were compared before and after a move had occurred for all eligible participants with more than one follow-up between May 1996 - November 2005. Results: A total of 1603 IDU were recruited between May 1996 and November 2005. 1245 participants had at least one follow-up between June 1999 and May 2005. The proportion of I DU living outside of GV during follow-up ranged between 2.5% and 11.8% and a total of 149 locations where participants migrated to were cited, with the majority (53.7%) being within British Columbia. Migrating was negatively associated with various factors including frequent crack and heroin use, sex trade involvement, and current methadone use. Of 1122 participants with more than one follow-up visit between May 1996 and November 2005,192 (17%) reported migrating out of GV while 930 (83%) participants did not report such a move and movers were significantly younger. A significant decrease in frequent heroin and frequent cocaine injection occurred only in movers. The proportion of participants living in unstable housing decreased significantly among movers while no change occurred among non-movers. Conclusions: Our findings suggest that participants who migrated were less at-risk for HIV infection, given lower levels of reported risk-taking. Furthermore, it appears that risk-taking among IDU declines following periods of migration out of GV. These findings have practical implications for the types of services that are available for IDU living in communities outside of the urban areas.
Item Metadata
Title |
The impact of migration on drug and HIV-related risk behaviours among injection drug users : evidence from the Vancouver injection drug users study
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Creator | |
Publisher |
University of British Columbia
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Date Issued |
2007
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Description |
Background: Migration is one social factor responsible for the spread of HIV/AIDS.
The objectives of this project were to describe migration patterns, including rates of and
types of migration, among participants in the Vancouver Injection Drug Users Study
(VIDUS); to identify factors associated with migration; and to determine the impact of
migrating out of Greater Vancouver (GV) on drug use practices and HIV-related risk
behaviours among this population.
Methods: VIDUS is an open prospective cohort of injection drug users (IDU). At
baseline and semi-annually, participants complete an interviewer-administered
questionnaire which elicits socio-demographic data, information regarding injection
and non-injection drug use, sexual risk behaviours and enrollment into addiction
treatment. A l l participants were residents of GV at the time of recruitment. Correlates of
migration, defined as living outside GV during follow-up, were first identified for all
participants with at least one follow-up between June 1999 - May 2005. In a separate
analysis, risk behaviours were compared before and after a move had occurred for all
eligible participants with more than one follow-up between May 1996 - November 2005.
Results: A total of 1603 IDU were recruited between May 1996 and November 2005.
1245 participants had at least one follow-up between June 1999 and May 2005. The
proportion of I DU living outside of GV during follow-up ranged between 2.5% and
11.8% and a total of 149 locations where participants migrated to were cited, with the
majority (53.7%) being within British Columbia. Migrating was negatively associated
with various factors including frequent crack and heroin use, sex trade involvement,
and current methadone use. Of 1122 participants with more than one follow-up visit
between May 1996 and November 2005,192 (17%) reported migrating out of GV while
930 (83%) participants did not report such a move and movers were significantly
younger. A significant decrease in frequent heroin and frequent cocaine injection
occurred only in movers. The proportion of participants living in unstable housing
decreased significantly among movers while no change occurred among non-movers.
Conclusions: Our findings suggest that participants who migrated were less at-risk for
HIV infection, given lower levels of reported risk-taking. Furthermore, it appears that
risk-taking among IDU declines following periods of migration out of GV. These
findings have practical implications for the types of services that are available for IDU
living in communities outside of the urban areas.
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Genre | |
Type | |
Language |
eng
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Date Available |
2011-03-07
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Provider |
Vancouver : University of British Columbia Library
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Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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DOI |
10.14288/1.0100993
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URI | |
Degree | |
Program | |
Affiliation | |
Degree Grantor |
University of British Columbia
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Campus | |
Scholarly Level |
Graduate
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Aggregated Source Repository |
DSpace
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Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.