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KMID : 0384320030240060532
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Korean Journal of Family Medicine
2003 Volume.24 No. 6 p.532 ~ p.540
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Parent-offspring Relationship and Familial Aggregation of Obesity-Related Phenotype and Nutrition Intake in Adolescents Family in Urban Area
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Park Hye-Soon
Yim Kyeong-Sook
Cho Sung-il
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Abstract
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Background: Adolescent obesity has rapidly increased in recent years in South Korea due to westernized life style. Family is one of the most important factors to affect body weight in children through the interaction between genetic and environmental factors, whichs poorly understood in Korea. The aim of this study was to investigate the parent-offspring relationship and familial aggregation of obesity-related phenotypes and nutrient intake in Korean adolescent families.
Methods: A cross-sectional observation study was conducted in 134 biologic families including adolescents aged 11∼19 years, parents, and siblings. Anthropometric measurements, height, weight, body mass index (BMI), waist & hip circumference, waist-to-hip ratio (WHR), and % body fat by BIA were measured. The nutrient intake was assessed by food frequency questionnaire (FFQ). Intraclass correlations for each variable between family members were calculated after adjustments to correct for the effect of age and sex.
Results: The risks for obesity in offsprings increased according to parental obesity. Mothers rather than fathers, and daughters rather than sons had higher significant intrafamilial correlations for almost all of anthropometric variables, and nutrient intake. For height, fathers had higher significant correlations with offspring. However, for total fatness and fat distribution, mothers had higher significant correlations with offspring. The significant correlations for anthropometric variables and nutrition intake existed between the spouses and all offsprings.
Conclusion: Korean adolescents exhibited significant parent-offspring relationship and familial aggregation for obesity-related phenotypes and nutrient intake. Understanding the relative contributions of shared genes and environmental factors to the familial relationship and aggregation could give insights into the origins of adolescence obesity in the high risk group of family. (J Korean Acad Fam Med 2003;24:532-540)
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KEYWORD
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obesity, familial aggregation, relationship, adolescence
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