Effects of Peer-Led Interventions for Patients With Cancer: A Meta-Analysis

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PROBLEM IDENTIFICATION:To evaluate the effects of peer-led supportive interventions for patients with cancer.LITERATURE SEARCH:Six electronic databases (EMBASE, MEDLINE®, Google Scholar, Cochrane Library, ProQuest Medical Library, and CINAHL®) were searched for articles published from 1997 to May 2017.DATA EVALUATION:A total of 159 studies were identified. Eighteen (16 randomized, controlled trials [RCTs] and 2 non-RCTs) were eligible for systematic review and 16 for meta-analysis. The Cochrane risk of bias tool and Comprehensive Meta-Analysis software were used for analysis.SYNTHESIS:The authors synthesized the results of the effect size of each trial according to cancer symptoms, coping, emotional health, quality of life, self-efficacy, sexuality, social support, and health-related behaviors.IMPLICATIONS FOR RESEARCH:The findings from this study suggest that an additional tiered evaluation that has a theoretical underpinning and high-quality methodology is required to confirm the efficacy of peer-led supportive interventions within cancer care models.

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