Measuring physical activity change in broad-reach intervention trials

Reeves, Marina, Marshall, Alison L., Owen, Neville, Winkler, Elisabeth and Eakin, Elizabeth G. (2010) Measuring physical activity change in broad-reach intervention trials. Journal of Physical Activity and Health, 7 2: 194-202.

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Name Description MIMEType Size Downloads
Author Reeves, Marina
Marshall, Alison L.
Owen, Neville
Winkler, Elisabeth
Eakin, Elizabeth G.
Title Measuring physical activity change in broad-reach intervention trials
Journal name Journal of Physical Activity and Health   Check publisher's open access policy
ISSN 1543-3080
1543-5476
Publication date 2010-03-01
Sub-type Article (original research)
Open Access Status Not Open Access
Volume 7
Issue 2
Start page 194
End page 202
Total pages 9
Place of publication Champaign, IL, U.S.A.
Publisher Human Kinetics Publishers
Language eng
Subject 1106 Human Movement and Sports Science
Formatted abstract
Background: We compared the responsiveness to change (prepost intervention) of 3 commonly-used self-report measures of physical activity.

Methods
: In a cluster-randomized trial of a telephone-delivered intervention with primary care patients, physical activity was assessed at baseline and 4 months (n = 381) using the 31-item CHAMPS questionnaire; the 6-item Active Australia Questionnaire (AAQ); and, 2 walking for exercise items from the US National Health Interview Survey (USNHIS). Responsiveness to change was calculated for frequency (sessions/week) and duration (MET•minutes/week) of walking and moderate-to-vigorous intensity physical activity.

Results: The greatest responsiveness for walking frequency was found with the USNHIS (0.45, 95% CI: 0.19, 0.72) and AAQ (0.43, 95% CI: 0.19, 0.67), and for walking duration with the USNHIS (0.27, 95%CI 0.13, 0.41) and CHAMPS (0.24, 95% CI: 0.12, 0.36). For moderate-to-vigorous activity, responsiveness for frequency was slightly higher for the AAQ (0.50, 95% CI: 0.30, 0.69); for duration it was slightly higher for CHAMPS (0.32, 95% CI: 0.17, 0.47).

Conclusions: In broad-reach trials, brief self-report measures (USNHIS and AAQ) are useful for their comparability to population physical activity estimates and low respondent burden. These measures can be used without a loss in responsiveness to change relative to a more detailed self-report measure (CHAMPS). © 2010 Human Kinetics, Inc.
Keyword Exercise
Measurement
Questionnaires
Responsiveness to change
Population health
Randomized Controlled-trial
Activity Questionnaire
Health Promotion
Older Adults
Primary-care
Self-report
Reliability
Validity
Recall
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Cancer Prevention Research Centre Publications
Official 2011 Collection
 
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Created: Sun, 29 Aug 2010, 10:04:36 EST