期刊
MEDICINE AND SCIENCE IN SPORTS AND EXERCISE
卷 48, 期 6, 页码 1075-1084出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1249/MSS.0000000000000870
关键词
INTERNATIONAL PHYSICAL ACTIVITY QUESTIONNAIRE; LONG FORM; INTERNATIONAL; SOCIODEMOGRAPHIC FACTORS; MEASUREMENT; EXERCISE; SEDENTARY TIME
资金
- National Cancer Institute of the National Institutes of Health [R01 CA127296]
- National Institutes of Health [R01 CA127296, R01 HL67350]
- Australian Research Council [140100085]
- NHMRC [1003960]
- Victorian Government's Operational Infrastructure Support Program
- Municipality of Aarhus
- Ministry of Education, Youth and Sports [MSM 6198959221]
- Medical Research Council under the National Preventive Research Initiative
- Navarra Government Health Department [02/09]
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 QuestionnaireLong 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.
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