Clinical Nutrition Research

The Korean Society of Clinical Nutrition (한국임상영양학회)
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5A's Behavior Change Model Improves Nutrition Knowledge and Intake Among Adolescent Athletes

  • Saningun Lee (Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University) ;
  • Yeongtaek Hwang (Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University) ;
  • Hyunjung Lim (Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University)
  • Received : 2024.10.07
  • Accepted : 2024.10.24
  • Published : 2024.10.30
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Abstract

This study compared the effects of 12 weeks of intensive nutrition education (IE) using the 5A's behavioral change model and basic nutrition education (BE) on nutritional knowledge and nutrient intake among Korean adolescent athletes. This study included elite adolescent athletes (IE group: n = 65, BE group: n = 65) at a physical education high school in Seoul. In this prospective, randomized, controlled trial, the athletes' body composition, nutritional knowledge, nutrient intake, and self-management practices were evaluated at the beginning and end of the intervention. Both groups had increased levels of nutrition knowledge between pre- and post-test, but the change in total score for nutrition knowledge was significantly higher in the IE group than in the BE group (p < 0.001). Energy intake post-test increased significantly in the IE group (from 2,185 to 2,651 kcal/day, p < 0.001) but not in the BE group. The intake of carbohydrates, protein, and fat also increased significantly in the IE group (carbohydrates: from 298 to 352 g/day, protein: from 86 to 106 g/day, fat: from 71 to 88 g/day, all p < 0.001), but the change in the BE group was not significant. Additionally, the IE group showed a significant overall increase in vitamins and minerals compared to the BE group at post-test. Adolescent athletes in the IE group showed improved nutritional knowledge and intake compared to those in the BE group 12 weeks after the intervention.

Keywords

Acknowledgement

We thank all the adolescent athletes at the physical education high school in Seoul, Republic of Korea, who participated in this study.

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