Correlates of agreement between accelerometry and self-reported physical activity

Cerin, Ester, Cain, Kelli L., Oyeyemi, Adewale L., Owen, Neville, Conway, Terry L., Cochrane, Tom, Van Dyck, Delfien, Schipperijn, Jasper, Mitáš, Josef, Toftager, Mette, Aguinaga-Ontoso, Ines and Sallis, James F. 2016, Correlates of agreement between accelerometry and self-reported physical activity, Medicine and science in sports and exercise, vol. 48, no. 6, pp. 1075-1084, doi: 10.1249/MSS.0000000000000870.

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Title Correlates of agreement between accelerometry and self-reported physical activity
Author(s) Cerin, Ester
Cain, Kelli L.
Oyeyemi, Adewale L.
Owen, Neville
Conway, Terry L.
Cochrane, Tom
Van Dyck, Delfien
Schipperijn, Jasper
Mitáš, Josef
Toftager, Mette
Aguinaga-Ontoso, Ines
Sallis, James F.
Journal name Medicine and science in sports and exercise
Volume number 48
Issue number 6
Start page 1075
End page 1084
Total pages 10
Publisher Lippincott Williams & Wilkins
Place of publication Philadelphia, Pa.
Publication date 2016-06
ISSN 1530-0315
Summary PURPOSE: Understanding factors that influence accurate assessment of physical activity (PA) and sedentary behavior (SB) is important to measurement development, epidemiologic studies, and interventions. This study examined agreement between self-reported (International Physical Activity Questionnaire-Long Form [IPAQ-LF]) and accelerometry-based estimates of PA and SB across six countries and identified correlates of between-method agreement. METHODS: Self-report and objective (accelerometry-based) PA and SB data were collected in 2002-2011 from 3865 adult participants in eight cities from six countries (Belgium, Czech Republic, Denmark, Spain, United Kingdom, and United States). Between-method relative agreement (correlation) and absolute disagreement (mean difference between conceptually and intensity-matched IPAQ-LF and accelerometry-based PA and SB variables) were estimated. Also, sociodemographic characteristics and PA patterns were examined as correlates of between-method agreement. RESULTS: Observed relative agreement (relationships of IPAQ-LF with accelerometry-based PA and SB variables) was small to moderate (r = 0.05-0.37) and was moderated by sociodemographic (age, sex, weight status, and education) and behavioral (PA-type) factors. The absolute disagreement was large, with participants self-reporting higher PA intensity and total time in moderate-to-vigorous-intensity PA than accelerometry. Also, self-reported sitting time was lower than accelerometry-based sedentary behavior. After adjusting for sociodemographic and behavioral factors, the absolute disagreement between pairs of IPAQ-LF and accelerometry-based PA variables remained significantly different across cities/countries. CONCLUSIONS: Present findings suggest systematic cultural and/or linguistic and sociodemographic differences in absolute agreement between the IPAQ-LF and the accelerometry-based PA and SB variables. These results have implications for the interpretation of international PA and SB data and correlate/determinant studies. They call for further efforts to improve such measures.
Language eng
DOI 10.1249/MSS.0000000000000870
Field of Research 1106 Human Movement And Sports Science
Socio Economic Objective 929999 Health not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Lippincott Williams & Wilkins
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Document type: Journal Article
Collections: Faculty of Health
School of Exercise and Nutrition Sciences
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