The science of child and adolescent mental health in Mozambique: a nationwide systematic review
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Introduction
Mozambique is home to 18 million children and adolescents largely underrepresented in mental health research. We conducted a systematic review of evidence-based resources addressing this population.
Methods
We included prevalence estimates, assessment instruments, and interventions on mental health-related outcomes in Mozambican samples aged 0-19. We searched PubMed, Web of Science, PsycINFO, CINAHL, Google Scholar, African Index Medicus, and local catalogues. Extraction followed COSMIN and Cochrane manuals (PROSPERO: CRD420251016208).
Results
The search yielded 58 prevalence studies, 26 reports on 35 instruments, and 7 trials. Most research focused on psychosocial adversities and neurodevelopment in vulnerable populations. The prevalence of mental disorders were estimated in two surveys in Nampula (ADHD: 13.4%; N=748, 6-18 years) and Maputo (anxiety disorders: 17.5%; major depression episode: 8.5%; disruptive behavior disorder: 6.6%; ADHD: 3.3%; N=486, 12-19 years). Nationally-representative adolescent surveys report health determinants (physical/emotional violence anually: 24.86%; girls suffering intimate partner violence: 21.11%; lifetime sexual abuse: 16.55%). National suicide rates were highest among 15-19-year-olds (1.53 per 100,000). Only three instruments were culturally-adapted with reliable psychometrics, enabling screening of anxiety and general symptoms. Unadapted tools performed poorly. One randomized trial reported a cost-effective intervention for neurodevelopment among high-poverty preschoolers.
Discussion
Children and adolescents in Mozambique face significant psychosocial adversity, with a high estimated burden of mental disorders. Prevalence data remains limited to two localized samples. There are few tools evaluating mental conditions, and culturally-sensitive approaches are warranted. It is essential to strengthen local academic capacity.
