Korean Journal of Community Nutrition

Review

[Korean]
Research trends in dietary behaviors and nutrition education among individuals with developmental disabilities in Korea: a scoping review (2015–2025): Nakyung Kwak, Wonyeong Park, Yu-Ri Kim, Jieun Oh; Korean J Community Nutr 2026;31(1):1-20. Published online February 28, 2026; DOI: https://doi.org/10.5720/kjcn.2025.00374

Abstract PDF: Objectives
We mapped trends in studies on dietary behaviors, nutritional status, and nutrition-related education among individuals with developmental disabilities in Korea over the past decade to identify research gaps and inform future research and policy development.
Methods
A scoping review was conducted using three major Korean academic databases (RISS, KISS, and DBpia). Studies published between 2015 and September 2025 were identified using combinations of keywords related to developmental disabilities, dietary behavior, nutrition, and health-related interventions. Eligible studies included empirical studies and secondary research (e.g., systematic or scoping reviews) conducted in Korea that focused on dietary behaviors, nutrition, health promotion, or nutrition-related education for individuals with developmental disabilities. Thirty-six studies met our inclusion criteria and were analyzed based on study design, study population, disability type, research topic, and publication period.
Results
Observational quantitative, qualitative, intervention-based experimental, and evidence synthesis accounted for 27.8%, 13.9%, 22.2%, and 36.1% of all included studies, respectively. Children and adolescents (27.8%) and adults (25.0%) were the most frequently studied populations, with limited studies focusing on professionals or teachers. Most studies targeted individuals with developmental disabilities as a combined group (61.1%), followed by those specifically targeting autism spectrum disorder. Research topics included dietary behaviors and nutritional status, nutrition-related education and interventions, health promotion, and medical or clinical issues, with many small-scale and shortterm intervention studies.
Conclusion
Although research on dietary and nutrition-related issues among individuals with developmental disabilities in Korea has expanded in scope and methodology, significant limitations remain. Future research should adopt longitudinal and community-based approaches, incorporate diverse populations, and strengthen policy-oriented nutrition support systems to promote sustainable health and quality of life for individuals with developmental disabilities.

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