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March 3, 2026Open Access

School-Based Mental Health Interventions for Depression and Anxiety Among Nigerian Adolescents Over Three Years: A Meta-Analysis

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Meta-analysis shows school-based interventions reduce anxiety and depression in Nigerian adolescents, suggesting better mental health outcomes.

To evaluate the effectiveness of school-based mental health interventions for depression and anxiety among Nigerian adolescents over three years.
Conducted a systematic review and meta-analysis of studies on mental health interventions
Included randomized controlled trials and quasi-experimental designs
Analyzed studies published within a specific timeframe that met inclusion criteria.
Identified a moderate effect size for reducing depressive symptoms (d = 0.69)
Noted a moderate effect size for reducing anxiety levels (d = 0.72)
Concluded that effective interventions can improve mental well-being among adolescents.

Chikere et al. (2006) studied this question.

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Meta-analysis shows school-based interventions reduce anxiety and depression in Nigerian adolescents, suggesting better mental health outcomes.