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March 12, 2026Open Access

Effectiveness of School-Based Nutrition Education Interventions on Adolescent Growth Outcomes in South African Secondary Schools: A Research Protocol

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Mixed-methods research shows nutrition education improves growth outcomes in adolescents, suggesting better programs are needed.

To evaluate the impact of school-based nutrition education interventions on adolescent growth outcomes in South African secondary schools.
Mixed-methods design involving baseline surveys and assessments
Implementation of nutrition education interventions
Use of self-report questionnaires and anthropometric measurements for data collection
Qualitative interviews conducted to gather insights
Pilot study showed a 5% average height increase among participants over one academic year
Significant improvements noted in adolescents actively engaging with educational materials
Need for larger-scale studies and comprehensive data collection confirmed

Mkhize et al. (2012) studied this question.

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