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Using Pedometers to Estimate Ambulatory Physical Activity in Vietnam


Au, BT and Blizzard, L and Schmidt, M and Magnussen, C and Hansen, E and Dwyer, T, Using Pedometers to Estimate Ambulatory Physical Activity in Vietnam, Journal of Physical Activity & Health , 8, (1) pp. 52-61. ISSN 1543-3080 (2011) [Refereed Article]

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Copyright Statement

Copyright © 2011 Human Kinetics, Inc

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DOI: doi:10.1123/jpah.8.1.52


Background: Pedometer measurement of physical activity (PA) has been shown to be reliable and valid in industrialized populations, but its applicability in economically developing Vietnam remains untested. This study assessed the feasibility, stability and validity of pedometer estimates of PA in Vietnam. Methods: 250 adults from a population-based survey were randomly selected to wear Yamax pedometers and record activities for 7 consecutive days. Stability and concurrent validity were assessed using intraclass correlation coefficients (ICC) and Spearman correlation coefficients. Results: Overall, 97.6% of participants provided at least 1 day of usable recordings, and 76.2% wore pedometers for all 7 days. Only 5.2% of the sample participants were involved in work activities not measurable by pedometer. The number of steps increased with hours of wear. There was no significant difference between weekday and weekend in number of steps, and at least 3 days of recordings were required (ICC of the 3 days of recordings: men 0.96, women 0.97). Steps per hour were moderately correlated (men r = .42, women r = .26) with record estimates of total PA. Conclusions: It is feasible to use pedometers to estimate PA in Vietnam. The measure should involve at least 3 days of recording irrespective of day of the week.

Item Details

Item Type:Refereed Article
Keywords:walking, exercise, feasibility study, validation study, qualitative research
Research Division:Health Sciences
Research Group:Health services and systems
Research Field:Health services and systems not elsewhere classified
Objective Division:Health
Objective Group:Evaluation of health and support services
Objective Field:Health education and promotion
UTAS Author:Au, BT (Dr Thuy Au)
UTAS Author:Blizzard, L (Professor Leigh Blizzard)
UTAS Author:Schmidt, M (Dr Michael Schmidt)
UTAS Author:Magnussen, C (Associate Professor Costan Magnussen)
UTAS Author:Hansen, E (Dr Emily Hansen)
ID Code:70262
Year Published:2011
Web of Science® Times Cited:2
Deposited By:Menzies Institute for Medical Research
Deposited On:2011-06-14
Last Modified:2017-11-01
Downloads:6 View Download Statistics

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