Journal
MEASUREMENT IN PHYSICAL EDUCATION AND EXERCISE SCIENCE
Volume 21, Issue 3, Pages 134-141Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/1091367X.2017.1297711
Keywords
measurement; reliability; university students; validity
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The purpose of this study was to compare the validity and reliability of three short physical activity self-report instruments to determine their potential for use with university student populations. The participants (N = 155; 44.5% male; 22.9 +/- 5.13 years) wore an accelerometer for 9 consecutive days and completed a single-item measure, the a brief two itemmeasure and the International Physical Activity Questionnaire-Short Form questionnaires on day 1 and 9. Correlations between self-reported and accelerometer derived moderate-to-vigorous physical activity levels were moderate for the International Physical Activity Questionnaire-Short Form, while poor for the single-item measure and the a brief two item measure. The agreement level was high with the International Physical Activity Questionnaire-Short Form (77.4%) and moderate for both the single-item measure (45.2 %) and a brief two item measure (44.5 %). The intraclass correlations between the two administrations were moderate to strong across all measures (0.52-0.70) in 133 participants. The International Physical Activity Questionnaire-Short Form is the most suitable of these three self-report instruments for use with this population due to higher correlations and levels of agreement with accelerometry.
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