科研之友
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摘要
Background: HIV risk is influenced by multiple factors including the behaviors and characteristics of sexual partners. We examined the association between partner characteristics and HIV acquisition among young people in rural Uganda, controlling for individual-level risk factors. Methods: We used self-reported data from 15- to 24-year-olds (n = 1969 male participants and n = 2826 female participants) from a population-based cohort (2005-2011) in Rakai, Uganda. Respondents could report characteristics for up to 4 sexual partners in the last year. Poisson regression was used to estimate HIV incidence rate ratios (IRRs). Results: In regression analyses controlling for marital status, young women's risk of HIV acquisition increased if their partner was a truck driver, drank alcohol before sex, and used condoms inconsistently. In young men, the risk of HIV acquisition increased with partners who were not enrolled in school, in partnerships with higher coital frequency, and in partnerships where respondents were unable to assess the HIV risk of their partner. Mixed-model regressions adjusting for respondent's individual-level risk factors showed that young women's risk of HIV acquisition increased with each nonmarital sexual partner [IRR: 1.54 (1.20 to 1.98)], each partner who drank alcohol before sex [IRR: 1.60 (1.11 to 2.32)], and each partner who used condoms inconsistently [IRR: 1.99 (1.33 to 2.98)]. Among young men, having nonmarital partnerships increased HIV acquisition [IRR for each partner: 1.54 (1.20 to 1.98)]. Implications: Partner characteristics predicted HIV acquisition among youth. HIV prevention programs should emphasize awareness of partner's risk characteristics to avoid high-risk relationships.
- 出版日期2015-5-1
