Expected values for pedometer-determined physical activity in older populations

Tudor-Locke, Catrine , Abraham, Teresa L., & Washington, Tracy L. (2009) Expected values for pedometer-determined physical activity in older populations. International Journal of Behavioral Nutrition and Physical Activity, 6(59).

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The purpose of this review is to update expected values for pedometer-determined physical activity in free-living healthy older populations. A search of the literature published since 2001 began with a keyword (pedometer, "step counter," "step activity monitor" or "accelerometer AND steps/day") search of PubMed, Cumulative Index to Nursing & Allied Health Literature (CINAHL), SportDiscus, and PsychInfo. An iterative process was then undertaken to abstract and verify studies of pedometer-determined physical activity (captured in terms of steps taken; distance only was not accepted) in free-living adult populations described as ≥ 50 years of age (studies that included samples which spanned this threshold were not included unless they provided at least some appropriately age-stratified data) and not specifically recruited based on any chronic disease or disability. We identified 28 studies representing at least 1,343 males and 3,098 females ranging in age from 50–94 years. Eighteen (or 64%) of the studies clearly identified using a Yamax pedometer model. Monitoring frames ranged from 3 days to 1 year; the modal length of time was 7 days (17 studies, or 61%). Mean pedometer-determined physical activity ranged from 2,015 steps/day to 8,938 steps/day. In those studies reporting such data, consistent patterns emerged: males generally took more steps/day than similarly aged females, steps/day decreased across study-specific age groupings, and BMI-defined normal weight individuals took more steps/day than overweight/obese older adults. The range of 2,000–9,000 steps/day likely reflects the true variability of physical activity behaviors in older populations. More explicit patterns, for example sex- and age-specific relationships, remain to be informed by future research endeavors.

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ID Code: 41171
Item Type: Journal Article
Refereed: Yes
Additional Information:

A correction for this article has been published in IJBNPA 2009, 6:65

After publication of this work [1], we noted that some of
the reference numbers in Additional file 1 were incorrect
[2-29]. Here we provide the correct table and new reference
Additional material
Additional file 1
Table 1. Expected values for pedometer-determined physical activity in healthy older adults. [2-29].
Click here for file
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Additional URLs:
Keywords: Pedometer-Determined Physical Activity, Older Populations
DOI: 10.1186/1479-5868-6-59
ISSN: 1479-5868
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > HUMAN MOVEMENT AND SPORTS SCIENCE (110600)
Australian and New Zealand Standard Research Classification > EDUCATION (130000) > EDUCATION SYSTEMS (130100) > Continuing and Community Education (130101)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Copyright Owner: Copyright 2009 The Authors; © 2009 Tudor-Locke et al; licensee BioMed Central Ltd.
Copyright Statement: This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Deposited On: 10 Apr 2011 23:39
Last Modified: 29 Feb 2012 14:36

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