Journal List > J Nutr Health > v.52(1) > 1117287

J Nutr Health. 2019 Feb;52(1):36-46. Korean.
Published online Feb 28, 2019.
© 2019 The Korean Nutrition Society
Amounts of physical activity and sedentary behavior patterns in older adults: using an accelerometer and a physical activity diary
Na-Young Go, Didace Ndahimana and Eun-Kyung Kim
Department of Food and Nutrition, Gangneung-Wonju National University, Gangneung 25457, Korea.

To whom correspondence should be addressed. tel:+82-33-640-2336, Email:
Received Jan 11, 2019; Revised Jan 21, 2019; Accepted Jan 29, 2019.

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.



This study evaluated amounts of physical activity and sedentary behavior patterns in older adults using an accelerometer and physical activity diary.


Forty-nine older adults (male 26, female 23) participated in this study. They wore a triaxial accelerometer (ActiGraph wGT3X-BT) for one week and wrote a physical activity diary concurrently for three days. Amounts of physical activity, sedentary behavior patterns, and percentage of meeting the World health organization (WHO) physical activity guidelines were analyzed using an accelerometer. In addition, the contents recorded in the physical activity diary were reclassified to 18 levels and the average daily times spent on each level and physical activity level (PAL) were calculated.


The subjects were sitting more than half of the day except for bedtime and shower time (59.2%). The numbers of prolonged ≥30, 40 minutes sedentary bouts were significantly higher in males (3.10 ±1.34, 1.78 ±1.09, respectively) than in females (2.34 ±1.22, 1.32 ±1.07, respectively) and the number of breaks per sedentary hour was significantly less in males (5.74 ±0.89) than in females (6.44 ±0.71). Among the activities corresponding to sedentary behavior surveyed by the physical activity diary, only the amount of time spent ‘resting, speaking and watching TV’ showed a significant correlation with the sedentary behavior pattern measured by the accelerometer. The persistence of sedentary behavior was interrupted primarily when low intensity activity was performed. Only 22.4% of the subjects met WHO physical activity guidelines.


Based on these results, the physical activity guidelines for older adults should be developed that reflects the appropriate strength, including low activity level and maintenance time of moderate to vigorous physical activity.

Keywords: older adults; sedentary behavior; physical activity; guideline


Table 1
Descriptive characteristics of the subjects
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Table 2
Amounts of physical activity of the subjects using an accelerometer
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Table 3
Time spent according to physical activity levels of the subjects using an accelerometer
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Table 4
Time spent on 18 physical activity categories of the subjects using a physical activity diary
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Table 5
Pattern of sedentary behavior of the subjects using an accelerometer
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Table 6
Correlation of sedentary behavior patterns measured by accelerometer with the time spent on sedentary activity types using a physical activity diary
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Table 7
Correlation of sedentary behavior patterns with the time spent on physical activity levels using an accelerometer
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Table 8
Time spent in MVPA1) in bouts and percentage of meeting WHO physical activity guideline3) using accelerometer
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This work was supported by grants from Gangneung-Wonju National University.

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