Efficacy of peer support interventions for depression: a meta-analysis

Abstract Objective To assess the efficacy of peer support for reducing symptoms of depression. Methods Medline, PsycINFO, CINAHL and CENTRAL databases were searched for clinical trials published as of April 2010 using Medical Subject Headings and free text terms related to depression and peer suppor...

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Published in:General hospital psychiatry 2011-01, Vol.33 (1), p.29-36
Main Authors: Pfeiffer, Paul N., M.D, Heisler, Michele, M.D, Piette, John D., Ph.D, Rogers, Mary A.M., Ph.D, Valenstein, Marcia, M.D
Format: Article
Language:English
Subjects:
Adult
Aged
Biological and medical sciences
Depressed
Depression - psychology
Depression - therapy
Female
Group psychotherapy
Humans
Male
Medical sciences
Middle Aged
Mutual
Peer Group
Psychiatry
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Psychotherapies. Psychological and clinical counseling
Psychotherapy
Review
Self-help
Self-Help Groups
Systematic
Treatments
Young Adult
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Summary:Abstract Objective To assess the efficacy of peer support for reducing symptoms of depression. Methods Medline, PsycINFO, CINAHL and CENTRAL databases were searched for clinical trials published as of April 2010 using Medical Subject Headings and free text terms related to depression and peer support. Two independent reviewers selected randomized controlled trials (RCTs) that compared a peer support intervention for depression to usual care or a psychotherapy control condition. Meta-analyses were conducted to generate pooled standardized mean differences (SMD) in the change in depressive symptoms between study conditions. Results Seven RCTs of peer support vs. usual care for depression involving 869 participants were identified. Peer support interventions were superior to usual care in reducing depressive symptoms, with a pooled SMD of −0.59 (95% CI, −0.98 to −0.21; P =.002). Seven RCTs with 301 total participants compared peer support to group cognitive behavioral therapy (CBT). There was no statistically significant difference between group CBT and peer interventions, with a pooled SMD of 0.10 (95% CI, −0.20 to 0.39, P =.53). Conclusion Based on the available evidence, peer support interventions help reduce symptoms of depression. Additional studies are needed to determine effectiveness in primary care and other settings with limited mental health resources.
ISSN:0163-8343
1873-7714
DOI:10.1016/j.genhosppsych.2010.10.002