SynthesisJournal of human nutrition and dietetics : the official journal of the British Dietetic Association2026
Intervention Using Video and Comic Books Targeting Nutritional Outcomes in Children and Adolescents: A Systematic Review.
Synthesis in Journal of human nutrition and dietetics : the official journal of the British Dietetic Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionUnhealthy eating behaviours and rising rates of undernutrition and obesity remain widespread among children and adolescents. Traditional education often fails to engage this population. In contrast, video and comic book formats offer accessible, engaging tools for nutrition education, but evidence on their effectiveness is inconsistent. This systematic review synthesises and critically appraises the evidence on video- and comic-based interventions for improving nutritional outcomes in children and adolescents.
methodsIn accordance with PRISMA guidelines a protocol was registered in PROSPERO (CRD420251138451). We systematically searched PubMed, Embase, and CENTRAL from January 2000 to October 2025 for randomised, cluster-randomised, and non-randomised intervention studies in participants aged ≤ 18 years using video- or comic-based formats. Outcomes included nutritional status, dietary intake, food consumption, dietary patterns, and nutrition literacy. The risk of bias quality of the included studies were independently assessed by two reviewers.
resultsOf 498 records, 18 studies met inclusion criteria-14 video-based and 4 comic-based interventions across school, digital, and clinical settings in Asia, Africa, Europe, North America, and Australia (sample sizes ranged from 57 to 6,640). Interventions consistently improved nutrition-related knowledge, attitudes, and self-efficacy. Effects on dietary behaviours, including fruit and vegetable consumption, were favourable, but rarely sustained at follow-up. The effects of anthropometric factors on BMI and body composition were limited and inconsistent. Risk of bias ranged from some concerns to high or serious.
conclusionVideo- and comic-based interventions effectively improve nutrition literacy among children and adolescents but show limited and inconsistent effects on dietary behaviours and anthropometric outcomes. Future interventions should move beyond information delivery and embed multimedia within multilevel strategies addressing behavioural, environmental, and parental determinants of diet.
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