Journal List > Korean J Health Promot > v.14(2) > 1089841

Korean J Health Promot. 2014 Jun;14(2):67-73. Korean.
Published online June 30, 2014.
Copyright © 2014 Korean Society for Health Promotion and Disease Prevention
The Effect Size Analysis of Exercise on Body Composition, Blood Pressure, and Physical Fitness in Korean Adults
Saejong Park,1 and Wi-Young So2
1Korea Institute of Sports Science, Korea Sports Promotion Foundation, Seoul, Korea.
2Department of Human Movement Science, Seoul Women's University, Seoul, Korea.

Corresponding author: Wi-Young So, PhD. Department of Human Movement Science, Seoul Women's University, 621 Hwarang-ro, Nowon-gu, Seoul 139-774, Korea. Tel: +82-2-970-5683, Fax: +82-2-970-5980, Email:
Received November 26, 2013; Accepted June 23, 2014.



The purpose of this study was to examine the effect size analysis of an exercise program on body composition, blood pressure, and physical fitness in Korean adults.


The subjects were 1,095 adults (men=76, women=1,019) older than 19 years who participated in the Fitness Promotion program at the centers for National Fitness Award Program in 2012. The subjects performed the regular combined exercise for 60-90 minutes per day, 2-4 days a week for 8 weeks. And the intensity of the exercise program was moderate (55-80% of maximum heart rate). In this study the effect size (ES) was calculated by the Cohen (1988) method.


The ES was 0.06-0.11 (average small ES) for body composition, 0.52-0.77 (average large ES) for blood pressure, and 0.08-0.48 (average medium ES) for physical fitness variables.


The estimated ES would be a useful reference to determine sample size for post-exercise experimental research.

Keywords: Exercise; Body composition; Blood pressure; Physical fitness


Table 1
Characteristics of the subjectsa
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Table 2
Gwangmyeong Social Welfare Center exercise promotion program
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Table 3
Wonju National Fitness Center exercise promotion program
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Table 4
Gwangju Gwangsan-gu Bitgoeul National Fitness Center exercise promotion program
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Table 5
Busan Nam-gu National Fitness Center exercise promotion program
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Table 6
Effect size of body composition, blood pressure, and fitness variables according to exercisea
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