Abstract: This dataset contains data collected for the RE-DEFINE European randomised controlled trial which aimed to evaluate the effectiveness and cost-effectiveness of Self-Help Plus (SH+), a group self-help intervention developed by the WHO to reduce distress. In this trial, SH+ was tested as a preventative intervention to lower the incidence of mental disorders in asylum seekers and refugees with psychological distress resettled in Europe. This prospective, multicentre, randomised, rater-blinded, parallel-group study followed participants over a peri...
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