Receptive Syringe Sharing Behaviors and High-Risk Sexual Behaviors in Dual Risk Relationship among Persons Who Inject Drugs in 20 Cities in the United States, 2015 Public
Li, Xinyi (Spring 2020)
Published
Abstract
Background: Persons who inject drugs (PWID) engaging in both high-risk injecting behaviors and high-risk sexual behaviors with the same partner (“dual risk relationship”) may face a higher risk of infection with HIV. Current research efforts mostly focus on estimating the risk for HIV infection among PWID who engage in high-risk injection and/or sexual behaviors with different partners in the past 12 months (1). The risk of infection with HIV among PWID and their partners engaging in dual risk relationship has not been fully understood.
Objective: Investigate the characteristics of last sharing injecting partners and assess the association between dual risk relationship with both high risk injecting and sexual behaviors.
Methods: PWID aged ≥ 18 years in 20 US cities were recruited by using respondent-driving sampling in the National HIV Behavioral Surveillance in 2015. Descriptive analyses were conducted to investigate last sharing injecting partner’s characteristic and bivariate analyses were conducted to examine the associations between demographic, behavioral, and last sharing injecting partner variables and status as dual risk relationship.
Results: Condomless sex at last sex, number of sex partners in the past 12 months, and number of injecting partners at last sharing event showed significant associations with dual risk relationship. PWID who had condomless sex at last sex were more likely to report engaging in dual risk relationship (aPR = 2.39, 95% CI 2.06 – 2.77). PWID with more sex partners in the past 12 months (aPR = 0.72, 95% CI 0.66 – 0.78) or more injecting partners at the last sharing event (aPR = 0.73, 95% CI 0.67 – 0.80) were less likely to reported having dual risk relationship. Last sharing partner who were female, white, and young age (18-29 yrs) were more likely to report engaging in dual risk relationship.
Conclusion: Condomless sex at last sex is positively associated with dual risk relationship. Number of sex partners in the past 12 months and number of injecting partners at last sharing event are negatively associated with dual risk relationship. Prevention strategies should be designed to target PWID engaging in dual risk relationship.
Table of Contents
Introduction 1 - 2
Methods 3 - 6
Results 7 - 10
Discussion 11 - 14
Limitations 15
Conclusion 16
Tables 17 - 22
References 23 - 25
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