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The challenge of measuring physical activity

Measuring physical activity accurately and reliably is essential when physical activity is either an intervention or an outcome measure. Measurement of physical activity in population groups has been undertaken in a number of ways, including self-report, observation, heart rate measurement and ac...

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Main Authors:	N. C., Wilson, Mohd Ghazali, Mohd Zaid, N., Flyger, Abd Aziz, Ramlan, B. K., Poh, Tengku Kamalden, Tengku Fadilah, Omar, Mohd Azahadi, S., Khoo, Mohd Din, Siti Haslinda, Hassan, Zuber
Format:	Article
Language:	English English
Published:	Nutrition Society of Malaysia 2008
Online Access:	http://psasir.upm.edu.my/id/eprint/6726/1/The%20challenge%20of%20measuring%20physical%20activity.pdf http://psasir.upm.edu.my/id/eprint/6726/ http://www.nutriweb.org.my/publications/mjn0014_2/supplement.pdf
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id	my.upm.eprints.6726
record_format	eprints
spelling	my.upm.eprints.67262015-12-22T02:27:33Z http://psasir.upm.edu.my/id/eprint/6726/ The challenge of measuring physical activity N. C., Wilson Mohd Ghazali, Mohd Zaid N., Flyger Abd Aziz, Ramlan B. K., Poh Tengku Kamalden, Tengku Fadilah Omar, Mohd Azahadi S., Khoo Mohd Din, Siti Haslinda Hassan, Zuber Measuring physical activity accurately and reliably is essential when physical activity is either an intervention or an outcome measure. Measurement of physical activity in population groups has been undertaken in a number of ways, including self-report, observation, heart rate measurement and activity monitors. The strengths and weaknesses of each of these methods will be reviewed. The measurement of physical activity in children is an additional challenge and data from the recently completed pilot study of the Kajian Aktiviti Fizikal dan Sukan Pelajar Sekolah Malaysia 2008 (KAFS08) will be used to illustrate these complexities. Questionnaire and activity monitoring data were collected from 163 children attending four schools in Kuala Lumpur with an age range of 9-18 years. Three models of activity monitors were used (YAMAX SW-700, OMRON HJ113, ACTIGRAPH GT1M) and on completion of data collection, significant differences were found between pedometer steps recorded on each monitor, after allowing for age and gender differences. A subsequent study on the differences between the three monitors was undertaken involving over 15 individuals and over 40 days of measurement where one individual wore each of the three monitors for a full day. In addition, the accuracy of each monitor was determined by comparing the step count registered by the monitor with actual number of steps counted. Nutrition Society of Malaysia 2008-09 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/6726/1/The%20challenge%20of%20measuring%20physical%20activity.pdf N. C., Wilson and Mohd Ghazali, Mohd Zaid and N., Flyger and Abd Aziz, Ramlan and B. K., Poh and Tengku Kamalden, Tengku Fadilah and Omar, Mohd Azahadi and S., Khoo and Mohd Din, Siti Haslinda and Hassan, Zuber (2008) The challenge of measuring physical activity. Malaysian Journal of Nutrition, 14 (2(supplement)). S15-S15. ISSN 1394-035X http://www.nutriweb.org.my/publications/mjn0014_2/supplement.pdf English
institution	Universiti Putra Malaysia
building	UPM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Putra Malaysia
content_source	UPM Institutional Repository
url_provider	http://psasir.upm.edu.my/
language	English English
description	Measuring physical activity accurately and reliably is essential when physical activity is either an intervention or an outcome measure. Measurement of physical activity in population groups has been undertaken in a number of ways, including self-report, observation, heart rate measurement and activity monitors. The strengths and weaknesses of each of these methods will be reviewed. The measurement of physical activity in children is an additional challenge and data from the recently completed pilot study of the Kajian Aktiviti Fizikal dan Sukan Pelajar Sekolah Malaysia 2008 (KAFS08) will be used to illustrate these complexities. Questionnaire and activity monitoring data were collected from 163 children attending four schools in Kuala Lumpur with an age range of 9-18 years. Three models of activity monitors were used (YAMAX SW-700, OMRON HJ113, ACTIGRAPH GT1M) and on completion of data collection, significant differences were found between pedometer steps recorded on each monitor, after allowing for age and gender differences. A subsequent study on the differences between the three monitors was undertaken involving over 15 individuals and over 40 days of measurement where one individual wore each of the three monitors for a full day. In addition, the accuracy of each monitor was determined by comparing the step count registered by the monitor with actual number of steps counted.
format	Article
author	N. C., Wilson Mohd Ghazali, Mohd Zaid N., Flyger Abd Aziz, Ramlan B. K., Poh Tengku Kamalden, Tengku Fadilah Omar, Mohd Azahadi S., Khoo Mohd Din, Siti Haslinda Hassan, Zuber
spellingShingle	N. C., Wilson Mohd Ghazali, Mohd Zaid N., Flyger Abd Aziz, Ramlan B. K., Poh Tengku Kamalden, Tengku Fadilah Omar, Mohd Azahadi S., Khoo Mohd Din, Siti Haslinda Hassan, Zuber The challenge of measuring physical activity
author_facet	N. C., Wilson Mohd Ghazali, Mohd Zaid N., Flyger Abd Aziz, Ramlan B. K., Poh Tengku Kamalden, Tengku Fadilah Omar, Mohd Azahadi S., Khoo Mohd Din, Siti Haslinda Hassan, Zuber
author_sort	N. C., Wilson
title	The challenge of measuring physical activity
title_short	The challenge of measuring physical activity
title_full	The challenge of measuring physical activity
title_fullStr	The challenge of measuring physical activity
title_full_unstemmed	The challenge of measuring physical activity
title_sort	challenge of measuring physical activity
publisher	Nutrition Society of Malaysia
publishDate	2008
url	http://psasir.upm.edu.my/id/eprint/6726/1/The%20challenge%20of%20measuring%20physical%20activity.pdf http://psasir.upm.edu.my/id/eprint/6726/ http://www.nutriweb.org.my/publications/mjn0014_2/supplement.pdf
_version_	1643823554887680000
score	13.211869

The challenge of measuring physical activity

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