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Comparing the standards of one metabolic equivalent of task in accurately estimating physical activity energy expenditure based on acceleration

Title
Comparing the standards of one metabolic equivalent of task in accurately estimating physical activity energy expenditure based on acceleration
Author
김인영
Keywords
Acceleration; accelerometer; metabolic equivalent of task; physical activity energy expenditure; resting metabolic rate
Issue Date
2017-07
Publisher
TAYLOR & FRANCIS LTD
Citation
JOURNAL OF SPORTS SCIENCES, v. 35, no. 13, page. 1279-1286
Abstract
The purpose of the study is to analyse how the standard of resting metabolic rate (RMR) affects estimation of the metabolic equivalent of task (MET) using an accelerometer. In order to investigate the effect on estimation according to intensity of activity, comparisons were conducted between the 3.5 ml O-2 . kg(-1) . min(-1) and individually measured resting VO2 as the standard of 1 MET. MET was estimated by linear regression equations that were derived through five-fold cross-validation using 2 types of MET values and accelerations; the accuracy of estimation was analysed through cross-validation, Bland and Altman plot, and one-way ANOVA test. There were no significant differences in the RMS error after cross-validation. However, the individual RMR-based estimations had as many as 0.5 METs of mean difference in modified Bland and Altman plots than RMR of 3.5 ml O-2 . kg(-1) min(-1). Finally, the results of an ANOVA test indicated that the individual RMR-based estimations had less significant differences between the reference and estimated values at each intensity of activity. In conclusion, the RMR standard is a factor that affects accurate estimation of METs by acceleration; therefore, RMR requires individual specification when it is used for estimation of METs using an accelerometer.
URI
https://www.tandfonline.com/doi/full/10.1080/02640414.2016.1221520https://repository.hanyang.ac.kr/handle/20.500.11754/114951
ISSN
0264-0414; 1466-447X
DOI
10.1080/02640414.2016.1221520
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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