Journal of Obesity & Metabolic Syndrome



Korean J Obes 2012; 21(4): 203-212

Published online December 30, 2012

Copyright © Korean Society for the Study of Obesity.

The Effect of Body Fat Percentage, Self Body Image, and Stress of Exercise on Exercise Participation in Obese Children

Young-Sun Hong, Chang-Sun KIM(1)*

Seoul Sam-Joen Elementary School, Department of Physical Education, Dongduk Women's University

Received: August 10, 2012; Reviewed : September 18, 2012; Accepted: September 29, 2012

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Background: The aim of this study was to provide basic information on participation and adherence of exercise between obese children and normal-weight children by comparing their level of stress towards exercising.
Methods: The subjects involved elementary school students of 4th and 6th grades (normal weight: 287, obese: 205). The Body Fat Percentage (BFP) was measured for diagnosing obesity. The level of participation in physical activity, the self body image, and stress of exercising were evaluated by
questionnaires. Significance was verified at P < 0.05.
Results: There were significant differences in exercise intensity, favorite sport, level of subjective physical fitness between obese children and normal weight children. Obese children showed greater stress towards obesity, hot and strenuous exercise, and fear of failure. The perceived stress from peer criticism and fear of failure were greater than the stress from obesity. Participation in physical activity was negatively correlated with stress of exercising. According to the
multiple regression analysis, the stress among obese children towards hot and strenuous exercise affected the frequency and intensity of exercise. The stress from fear of failure and low exercise capacity influenced their preference of sport.
Conclusion: Obese children need help to lower their perception of stress towards hot and strenuous exercise and fear of failure. It is important to teach them to embrace stress of low exercise capacity positively in order to enhance exercise participation.

Keywords: Obese children, Body fat percentage, Self body Image, Exercise participation, Stress of exercising

Fig. 1. Silhouette-Matching Task (Marsh & Roche, 1996).

Comparison of physical characteristics according to body fat percentage (mean ± sd)

Exploratory factor analysis and reliability analysis of exercising stress

The result of frequency and χ2 test on the exercise participation

The result of descriptive and independent sample t-test on exercising stress

The result of correlation coefficient of self body image and stress of exercising

The result of multiple regression analysis on exercise participation of obese children

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