Transactional sex in MSM.
How common is it ? Who does it ? what are the risk factors.
This presentation looked a cohort of MSM from Vancouver. Canada, to examine prevalence, trends and risk factors of transactional sex and ultimately if transactional sex constitutes an increased risk of HIV transmission.
The study design was a prospective cohort study with respondent driven sampling of approximately 700 MSM aged over 16 years. 201 participants were HIV positive. Participants used a computer assisted questionnaire with the main outcome was an exchange of money/drugs/goods or services for sex. The data was analyzed with a multivariate logistic regression model.
Transactional sex was found to be rare in this cohort (between 1-3%).
Transactional sex was more likely with the following factors:
1) partner was met online
2) a lower incomes
3) a lower level of education
4) identification as bisexual
5) having an older sexual partner and
6) having a partner who uses either crystal methamphetamine, GBL or GBH
Partner substance use was most strongly associated with transactional sex, No significant associations with HIV risk behaviour.