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. 2015 Dec 1:157:166-73.
doi: 10.1016/j.drugalcdep.2015.10.022. Epub 2015 Oct 28.

The role of dyad-level factors in shaping sexual and drug-related HIV/STI risks among sex workers with intimate partners

Elena Argento  1 , Kate Shannon  2 , Paul Nguyen  3 , Sabina Dobrer  3 , Jill Chettiar  2 , Kathleen N Deering  4
Affiliations

The role of dyad-level factors in shaping sexual and drug-related HIV/STI risks among sex workers with intimate partners

Elena Argento et al. Drug Alcohol Depend. .

Abstract

Background: Despite high HIV burden among sex workers (SWs) globally, and relatively high prevalence of client condom use, research on potential HIV/STI risk pathways of intimate partnerships is limited. This study investigated partner/dyad-level factors associated with inconsistent condom use among SWs with intimate partners in Vancouver, Canada.

Methods: Baseline data (2010-2013) were drawn from a community-based prospective cohort of women SWs. Multivariable generalized estimating equations logistic regression examined dyad-level factors associated with inconsistent condom use (<100% in last six months) with up to three male intimate partners per SW. Adjusted odds ratios and 95% confidence intervals were reported (AOR[95%CI]).

Results: Overall, 369 SWs reported having at least one intimate partner, with 70.1% reporting inconsistent condom use. Median length of partnerships was 1.8 years, with longer duration linked to inconsistent condom use. In multivariable analysis, dyad factors significantly associated with increased odds of inconsistent condom use included: having a cohabiting (5.43[2.53-11.66]) or non-cohabiting intimate partner (2.15[1.11-4.19]) (versus casual partner), providing drugs (3.04[1.47-6.30]) or financial support to an intimate partner (2.46[1.05-5.74]), physical intimate partner violence (2.20[1.17-4.12]), and an intimate partner providing physical safety (2.08[1.11-3.91]); non-injection drug use was associated with a 68% reduced odds (0.32[0.17-0.60]).

Conclusions: Our study highlights the complex role of dyad-level factors in shaping sexual and drug-related HIV/STI risk pathways for SWs from intimate partners. Couple and gender-focused interventions efforts are needed to reduce HIV/STI risks to SWs through intimate partnerships. This research supports further calls for integrated violence and HIV prevention within broader sexual/reproductive health efforts for SWs.

Keywords: Condom use; Drug use; HIV prevention; Intimate partners; Risk environment; Sex workers.

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Conflict of interest statement

Conflict of Interest: No conflict declared.

References

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