The Effect of Mindfulness-Based Interventions on Anxiety and Depression: A Meta-Analysis
Keywords:
Mindfulness, Anxiety, Depression, Meta-Analysis, Mental Health.Abstract
This systematic review and meta-analysis quantitatively evaluates the efficacy of mindfulness-based interventions in reducing anxiety and depression symptoms across clinical, non-clinical, and occupational populations. Following PRISMA guidelines, comprehensive electronic searches across major biomedical databases identified randomized controlled trials and controlled clinical trials evaluating structured mindfulness protocols against active or passive controls. Pooled effect sizes calculated through random-effects models demonstrate significant global reductions in affective distress across diverse demographic cohorts, including chronic medical patients, perinatal women, students, and healthcare professionals. Comparative analyses confirm that remote and eHealth delivery modalities achieve clinical efficacy comparable to traditional in-person group sessions, provided structured guidance is maintained. Methodological quality evaluations using the Cochrane Risk of Bias tool indicate that effect size magnitudes are moderated by control group selection, intervention dosage, and outcome reporting standards. These findings substantiate mindfulness-based practices as versatile, scalable modalities for emotion regulation, offering actionable insights for integrating structured psychological interventions into contemporary public health and psychiatric care systems.
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