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Korean J Community Nutr. 2015 Oct;20(5):362-374. Korean.
Published online October 31, 2015.  https://doi.org/10.5720/kjcn.2015.20.5.362
Copyright © 2015 The Korean Society of Community Nutrition
Weight Control Behaviors, Health-related Quality of Life and Nutritional Status by Overestimation of Body Image among Young Korean Females: Data from the Fifth Korea National Health and Nutrition Examination Survey, 2010-2011
Seulki Park,1 Taisun Hyun,2 and Hongmie Lee1
1Department of Food Science & Nutrition, Daejin University, Pochoeon, Keonggi, Korea.
2Department of Food and Nutrition, Chungbuk National University, Cheongju, Chungbuk, Korea.

Corresponding author: Hongmie Lee. Department of Food Science & Nutrition, Daejin University, 1007, Hoguk-ro, Pocheon-si, Gyeonggi 11159, Korea. Tel: (031) 539-1862, Fax: (031) 539-1860, Email: hmlee@daejin.ac.kr
Received August 20, 2015; Revised September 22, 2015; Accepted October 13, 2015.

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


Abstract

Objectives

This study was performed to investigate the effects of overestimation of their own body shape on weight control behaviors, mental condition, physical activity, dietary behavior, health-related quality of life, and nutritional status among young Korean females.

Methods

A total of 1,514 women aged 20-39 years who are not pregnant and lactating among those who participated in the Fifth Korea National Health and Nutrition Examination Survey (2010~2011), were analyzed and grouped into underestimation (n=120), normal estimation (NE, n=840), and overestimation (OE, n=554), based on their body perception compared to actual percent ideal body weights. Variables were compared between OE group and NE group.

Results

The subjects in OE group were significantly younger (29.5 vs. 30.5 years, respectively p < 0.05) and had lower body mass index (20.9 vs. 22.2 respectively, p < 0.01), health-related quality of life measured by EQ-5D (EuroQol-5 Dimension)(0.97 vs. 0.98 respectively, p < 0.05), nutrition adequacy ratio (NAR) of protein (0.91 vs. 0.93 respectively, p < 0.05), phosphorous (0.93 vs. 0.96 respectively, p < 0.05), and iron (0.70 vs. 0.75 respectively, p < 0.01), and index of nutrition quality (INQ) of iron (0.84 vs. 0.89 respectively, p < 0.05) compared to those in the NE group. The results of logistic regression showed that unmarried status (OR 1.32; 1.01~1.72) and severely underweight/underweight status (OR 1.94; 1.01~3.75)/(OR 1.81; 1.34~2.45) were significantly related to the probability of overestimation by the subjects. Significantly more women in OE group practiced fasting, skipping meals, and taking prescribed pills to lose body weights and had skipped breakfast compared to those in the NE group.

Conclusions

The results of this study suggested that the Korean young women's distorted perception of own body shape may be associated with undesirable weight control behavior, low quality of life, and lower nutritional status. Therefore, nutrition education for this group should include information on correct body shape perception and its importance.

Keywords: weight perception; health-related quality of life; nutrition intake

Tables


Table 1
The distribution of the study participants according to weight status and subjective weight perception
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Table 2
The distribution of the study participants according to weight perception and weight status
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Table 3
General characteristics of the study participants by weight perception
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Table 4
Odds ratios for prevalence of overestimation according to general characteristics of the study participants
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Table 5
Experience and methods of weight control by weight perception
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Table 6
Mental condition and quality of life by weight perception
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Table 7
Dietary habits by weight perception
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Table 8
Daily nutrients intakes and macronutrients energy ratio by weight perception
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Table 9
NAR and MAR by weight perception
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Table 10
Index of nutrition quality by weight perception
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