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Correlates of Agreement between Accelerometry and Self-reported Physical Activity

CERIN, ESTER et al.

Medicine and science in sports and exercise. Volume 48:Issue 6 (2016, June) -- Lippincott Williams & Wilkins, Inc

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  • Title:
    Correlates of Agreement between Accelerometry and Self-reported Physical Activity
  • Author: 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.
  • Found In: Medicine and science in sports and exercise. Volume 48:Issue 6 (2016, June)
  • Journal Title: Medicine and science in sports and exercise
  • Subjects: Exercise--Health aspects--Periodicals; Exercise--Physiological aspects--Periodicals; Sports medicine--Periodicals; INTERNATIONAL PHYSICAL ACTIVITY QUESTIONNAIRE--LONG FORM--INTERNATIONAL--SOCIODEMOGRAPHIC FACTORS--MEASUREMENT--EXERCISE--SEDENTARY TIME; Dewey: 612.044
  • Rights: legaldeposit
  • Publication Details: Lippincott Williams & Wilkins, Inc
  • Abstract: ABSTRACT: 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.

    Abstract :

    Supplemental digital content is available in the text.


  • Identifier: System Number: LDEAvdc_100042587333.0x000001; Journal ISSN: 0195-9131; 10.1249/MSS.0000000000000870
  • Publication Date: 2016
  • Physical Description: Electronic
  • Shelfmark(s): ELD Digital store

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