Monday, June 7, 2010

Relationship Characteristics Associated With Anal Sex Among Female Drug Users

via Sexually Transmitted Diseases 
June 2010 - Volume 37 - Issue 6 - pp 346-351
doi: 10.1097/OLQ.0b013e3181c71d61
Mackesy-Amiti, Mary Ellen PHD; McKirnan, David J. PHD; Ouellet, Lawrence J. PHD


Anal sex is an important yet little studied HIV risk behavior for women.


Using information collected on recent sexual encounters, we examined the influence of sex partner and relationship characteristics on the likelihood of engaging in anal sex among women with a high risk of HIV infection.


Anal sex was nearly 3 times more common among actively bisexual women (OR = 2.96, 95% CI: 2.17–4.03). Women were more likely to have anal sex with partners who injected drugs (OR = 2.32, 95% CI: 1.44–3.75), were not heterosexual (OR = 1.85, 95% CI: 1.18–2.90), and with whom they exchanged money or drugs for sex (OR = 1.79, 95% CI: 1.10–2.90). The likelihood of anal sex also increased with the number of nights sleeping together (OR = 1.15, 95% CI: 1.06–1.24). In contrast, emotional closeness and social closeness were not associated with anal sex. Condom use during anal sex was uncommon, and did not vary according to partner or relationship characteristics.


Our findings support the need for HIV prevention interventions that target anal sex among heterosexuals, particularly in drug-using populations residing in neighborhoods with elevated levels of HIV prevalence.


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