Peer-provided psychological intervention for Syrian refugees: results of a randomised controlled trial on the effectiveness of Problem Management Plus
- PMID: 36789918
- PMCID: PMC10035776
- DOI: 10.1136/bmjment-2022-300637
Peer-provided psychological intervention for Syrian refugees: results of a randomised controlled trial on the effectiveness of Problem Management Plus
Abstract
Background: The mental health burden among refugees in high-income countries (HICs) is high, whereas access to mental healthcare can be limited.
Objective: To examine the effectiveness of a peer-provided psychological intervention (Problem Management Plus; PM+) in reducing symptoms of common mental disorders (CMDs) among Syrian refugees in the Netherlands.
Methods: We conducted a single-blind, randomised controlled trial among adult Syrian refugees recruited in March 2019-December 2021 (No. NTR7552). Individuals with psychological distress (Kessler Psychological Distress Scale (K10) >15) and functional impairment (WHO Disability Assessment Schedule (WHODAS 2.0) >16) were allocated to PM+ in addition to care as usual (PM+/CAU) or CAU only. Participants were reassessed at 1-week and 3-month follow-up. Primary outcome was depression/anxiety combined (Hopkins Symptom Checklist; HSCL-25) at 3-month follow-up. Secondary outcomes included depression (HSCL-25), anxiety (HSCL-25), post-traumatic stress disorder (PTSD) symptoms (PTSD Checklist for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition; PCL-5), impairment (WHODAS 2.0) and self-identified problems (PSYCHLOPS; Psychological Outcomes Profiles). Primary analysis was intention-to-treat.
Findings: Participants (n=206; mean age=37 years, 62% men) were randomised into PM+/CAU (n=103) or CAU (n=103). At 3-month follow-up, PM+/CAU had greater reductions on depression/anxiety relative to CAU (mean difference -0.25; 95% CI -0.385 to -0.122; p=0.0001, Cohen's d=0.41). PM+/CAU also showed greater reductions on depression (p=0.0002, Cohen's d=0.42), anxiety (p=0.001, Cohen's d=0.27), PTSD symptoms (p=0.0005, Cohen's d=0.39) and self-identified problems (p=0.03, Cohen's d=0.26), but not on impairment (p=0.084, Cohen's d=0.21).
Conclusions: PM+ effectively reduces symptoms of CMDs among Syrian refugees. A strength was high retention at follow-up. Generalisability is limited by predominantly including refugees with a resident permit.
Clinical implications: Peer-provided psychological interventions should be considered for scale-up in HICs.
Keywords: Adult psychiatry; Anxiety disorders; Depression & mood disorders.
© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY. Published by BMJ.
Conflict of interest statement
Competing interests: MS is the president of the International Society of Traumatic Stress Studies (unpaid) and provided a keynote lecture for the Dutch Organisation of Psychiatry (ECAP) (paid).
References
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- UNHCR . Global trends forced displacement in 2021. 2022. Available: https://www.unhcr.org/62a9d1494/global-trends-report-2021 [Accessed 4 Aug 2022].
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