Nutrition Research and Practice

The Korean Nutrition Society (한국영양학회)
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Weight misperception and its association with dieting methods and eating behaviors in South Korean adolescents

  • Lim, Hyunjung (Department of Medical Nutrition, Research Institute of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University) ;
  • Lee, Hae-Jeung (Department of Food and Nutrition, Eulji University) ;
  • Park, Sangshin (Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A and M University) ;
  • Kim, Cho-Il (Department of Health Industry and Policy, Korea Health Industry Development Institute (KHIDI), Osong Health Technology Administration) ;
  • Joh, Hee-Kyung (Department of Medicine, Seoul National University College of Medicine, Department of Family Medicine, Seoul National University Health Service Center) ;
  • Oh, Sang Woo (Department of Family Medicine, Center for Obesity, Metabolism and Nutrition, Dongguk University Ilsan Hospital)
  • Received : 2013.12.23
  • Accepted : 2014.02.28
  • Published : 2014.04.01
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Abstract

BACKGROUND/OBJECTIVES: There is little information on the association between weight misperception and eating behavior in Korean adolescents. Therefore, we investigated the association of food intake habits and dieting method and disturbed eating behavior (DEB) in relation to weight misperception. SUBJECTS/METHODS: Data was collected by using a nationwide online panel survey from 6,943 adolescents enrolled in middle/high school. DEB was measured with the Eating Attitudes Test (EAT-26) and those who scored ${\geq}20$ on the EAT-26 were considered to have eating disorder. Logistic regressions were conducted to examine the association between weight misperception based on self-reported weight status and dieting method and eating behaviors. RESULTS: The proportion of weight underestimation was 23.5% and that of overestimation was 24.0%. Weight overestimating girls were more likely to engage in various unhealthy dieting practices (OR = 1.69 for fasting; OR = 1.88 for laxative or diuretic use; OR = 2.05 for self-induced vomiting after meals; P < 0.05). Moreover, there was a strong association between overestimation and undesirable eating behaviors, especially among girls, e.g.: having breakfast (OR = 0.85), high consumption of fast foods (OR = 1.28) and regular sodas (OR = 1.39), but not among boys. In both genders, weight overestimation appears to be a major risk factor for DEB (OR = 1.34 for boys and OR = 1.41 for girls; P < 0.05). CONSLUSIONS: Weight overestimation is associated with unhealthy weight control practices and eating behaviors. We particularly found a significant association between weight overestimation and DEB among nationwide Korean adolescents.

Keywords

References

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