Korean Journal of Community Nutrition (대한지역사회영양학회지)

The Korean Society of Community Nutrition (대한지역사회영양학회)
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A Study of Dietary Behavior and Serum Leptin Levels of Obese Children

비만아의 영양소 섭취상태와 혈중 Leptin 농도와의 관계

  • 손수진 (대구가톨릭대학교 식품영양학과) ;
  • 이희자 (경북대학교 식품영양학과) ;
  • 최봉순 (대구가톨릭대학교 식품영양학과) ;
  • 이인규 (계명대학교 의과대학 내과학교실) ;
  • 박명희 (대구대학교 식품영양학과) ;
  • 이은주 (대구가톨릭대학교 식품영양학과)
  • Published : 2003.02.01
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Abstract

The purpose of this study was to investigate the relationship among serum leptin, nutritional status, and the obesity indices of 55 obese children in Daegu and Kyungpook area. Obesity was defined as fat percentage that exceed 25% of body fat mass. Energy and nutritional status were tended to be low, and dietary intake of calcium and iron were less than any other nutrients in all the subjects. Especially, beverage intake of obese group was more than non-obese group. The leptin level were significantly correlated with %RDA of energy (0.41, p < 0.001), protein (0.44, p < 0.001), phosphate (0.40, p < 0.001), iron (0.37, p < 0.001), vitamin A (0.31, p < 0.01), thiamin (0.40, p < 0.001), riboflavin (0.26, p < 0.05), niacin (0.51, p < 0.001), and vitamin C (0.24, p < 0.05). The leptin level were significantly correlated with MAR (mean adequacy ratio, r : 0.43, p <0.001) and INQ (index of nutrient quality) of thiamin (r : 0.22, p <0.05). Multiple regression analysis showed that %RDA of niacin in obese group ($R^2$: 0.208, p : 0.001) and total subjects ($R^2$ : 0.257, p : 0.000), MAR (p : 0.003) and INQ (p : 0.048) of niacin in obese group ($R^2$ : 0.255) and MAR (p : 0.000) and rNQ ofca (p : 0.024) in total subjects ($R^2$ : 0.231) may be important independent predictors to leptin level. MAR showed a significantly positive correlation with %fat (r = 0.42, p < 0.01), BMI (r = 0.46, p < 0.01), RW (r : 0.44, p < 0.01), WHR (r : 0.39, p < 0.01) and, "ieRnA (p < 0.05, p < 0.01). These data indicated relationships among leptin level, nutrient intake, %RDA, MAh, and INQ in children.dren.

Keywords

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