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This abstract was
presented as a poster at the 11th Annual Canadian Conference on HIV/AIDS Research in
Winnipeg in April 2002.
Differential patterns of sexual violence among men
who have sex with
men (MSM) versus injection drug using (IDU)
me
Paula Braitstein,
J. Asselin, Keith Chan, Kathy Li, Arn J. Schilder, Patricia Spittal,
Mark Tyndall, Martin T. Schechter, Robert S. Hogg
The Vanguard Project and VIDUS, BC Centre
for Excellence in HIV/AIDS, St. Paul's Hospital, Vancouver, BC.
OBJECTIVES:
To compare prevalence and outcomes of age-specific sexual violence
between two populations of men at risk for HIV.
METHOD:
Analyses of first incident of sexual violence were conducted,
examining HIV risk and other behaviors. Controlling for sociodemographics,
multivariate regression was used to assess age-specific sexual
violence (vs. never) against outcomes.
RESULTS:
140/498 MSM (28%) and 173/932 IDUs (19%) reported ever having
experienced sexual violence. The 15% MSM who experienced child
sexual abuse (CSA) (aged <13) were more likely to ever be in
the sex trade (AOR 2.1, 95% CI: 1.1 3.9), have attempted
suicide (AOR 3.5, 95% CI: 1.9 6.6), and have diagnosed mood
disorders (AOR 2.5, 95% CI: 1.4 4.5). The 12% of IDU abused
as children were more likely to have been in the sex trade (AOR
4.3, 95% CI: 2.7 6.9), have accidentally overdosed (AOR
1.9, 95% CI: 1.3 2.9), have diagnosed mental illness (AOR
1.9, 95% CI: 1.3 2.9), and binge on alcohol (AOR 2.2, 95%
CI: 1.4 3.3). There were no statistical differences among
MSM who experienced sexual violence in adolescence (ages 1317),
while IDU had increased sex trade involvement (AOR 4.0, 95% CI:
1.8 9.0), & attempted suicides (AOR 3.1, 95% CI: 1.8
5.4). MSM who experienced sexual violence in adulthood had
more casual unprotected receptive anal sex (AOR 2.4, 95% CI: 1.0
5.6), attempted suicide (AOR 3.1, 95% CI: 1.3 7.1),
and diagnosed mood disorders (AOR 2.5, 95% CI: 1.2 5.3),
while IDU had increased sex trade involvement (AOR: 19.3, 95%
CI: 2.6 141.6).
CONCLUSIONS:
MSM experience more sexual violence than IDU men, but prevalence
of CSA is approximately equal between groups. All sexual violence,
particularly CSA, is associated with a variety of risk activities
and behaviors.
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