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Efficacy of Peer-Led Interventions to Reduce Unprotected Anal Intercourse among Men Who Have Sex with Men: A Meta-Analysis

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  • Shaodong Ye
  • Lu Yin
  • Rivet Amico
  • Jane Simoni
  • Sten Vermund
  • Yuhua Ruan
  • Yiming Shao
  • Han-Zhu Qian

Abstract

Objective: To conduct a systematic review and meta-analysis to evaluate the efficacy of peer-led interventions in reducing unprotected anal intercourse (UAI) among men who have sex with men (MSM). Methods: Randomized clinical trials (RCTs), quasi-experimental studies, pre- and post-intervention studies without control groups, and serial cross-sectional assessments involving peers delivering interventions among MSM and published as of February 2012 were identified by systematically searching 13 electronic databases and cross-referencing. Effect sizes (ES) were calculated as the changes of standardized mean difference (SMD) in UAI between groups or pre-post intervention. Results: A total of 22 studies met the eligibility criteria, including five RCTs, six quasi-experimental studies, six pre-and-post intervention studies, and five serial cross-sectional intervention studies. We used 15 individual studies including 17 interventions for overall ES calculation; peer-led interventions reduced UAI with any sexual partners in meta-analysis (mean ES: -0.27; 95% confidence interval [CI]: −0.41, −0.13; P

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  • Shaodong Ye & Lu Yin & Rivet Amico & Jane Simoni & Sten Vermund & Yuhua Ruan & Yiming Shao & Han-Zhu Qian, 2014. "Efficacy of Peer-Led Interventions to Reduce Unprotected Anal Intercourse among Men Who Have Sex with Men: A Meta-Analysis," PLOS ONE, Public Library of Science, vol. 9(3), pages 1-11, March.
    • Handle: RePEc:plo:pone00:0090788
    DOI: 10.1371/journal.pone.0090788
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    Cited by:

    1. Chakrapani, Venkatesan & Kaur, Manmeet & Tsai, Alexander C. & Newman, Peter A. & Kumar, Rajesh, 2022. "The impact of a syndemic theory-based intervention on HIV transmission risk behaviour among men who have sex with men in India: Pretest-posttest non-equivalent comparison group trial," Social Science & Medicine, Elsevier, vol. 295(C).

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