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首页> 外文期刊>AIDS care. >Psychological and behavioral interventions to reduce HIV risk: evidence from a randomized control trial among orphaned and vulnerable adolescents in South Africa
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Psychological and behavioral interventions to reduce HIV risk: evidence from a randomized control trial among orphaned and vulnerable adolescents in South Africa

机译：减少艾滋病毒风险的心理和行为干预措施：来自南非孤儿和弱势青少年的随机对照试验的证据

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Evidence-based approaches are needed to address the high levels of sexual risk behavior and associated HIV infection among orphaned and vulnerable adolescents. This study recruited adolescents from a support program for HIV-affected families and randomly assigned them by cluster to receive one of the following: (1) a structured group-based behavioral health intervention; (2) interpersonal psychotherapy group sessions; (3) both interventions; or (4) no new interventions. With 95% retention, 1014 adolescents were interviewed three times over a 22-month period. Intent-to-treat analyses, applying multivariate difference-in-difference probit regressions, were performed separately for boys and girls to assess intervention impacts on sexual risk behaviors. Exposure to a single intervention did not impact behaviors. Exposure to both interventions was associated with risk-reduction behaviors, but the outcomes varied by gender: boys reported fewer risky sexual partnerships (beta = -.48, p = .05) and girls reported more consistent condom (beta = 1.37, p = .02). There was no difference in the likelihood of sexual debut for either gender. Providing both psychological and behavioral interventions resulted in long-term changes in sexual behavior that were not present when either intervention was provided in isolation. Multifaceted approaches for reducing sexual risk behaviors among vulnerable adolescents hold significant promise for mitigating the HIV epidemic among this priority population.
机译：需要采取循证方法来解决孤儿和弱势青少年的高性风险行为和相关的艾滋病毒感染。这项研究从针对受艾滋病毒影响的家庭的支持计划中招募了青少年，并按组将他们随机分配，以接受以下其中一项：（1）基于结构化的基于群体的行为健康干预; （2）人际心理治疗小组会议; （3）两种干预措施;或（4）没有新的干预措施。保留率为95％的情况下，在22个月内对1014名青少年进行了3次访谈。对男孩和女孩分别进行了多变量差异差异概率回归分析，进行意向治疗分析，以评估干预措施对性风险行为的影响。暴露于单一干预措施不会影响行为。两种干预措施的暴露均与降低风险的行为有关，但结果因性别而异：男孩报告较少的有性伴侣风险（β= -.48，p = 0.05），女孩报告更一致的避孕套（β= 1.37，p = .02）。男女性别首次亮相的可能性没有差异。同时提供心理干预和行为干预会导致性行为的长期变化，而这两种干预单独提供时都不会出现。减少易受伤害的青少年中性风险行为的多方面方法对于缓解这一优先人群的艾滋病毒流行具有重大前景。

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