Reliability and Validity of a Computerized and Dutch Version of the International Physical Activity Questionnaire (IPAQ)

in Journal of Physical Activity and Health
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The purpose of this study was to examine the reliability and validity of a newly developed computerized Dutch version of the International Physical Activity Questionnaire (IPAQ).


Subjects (N = 53) completed the computerized IPAQ at three specified times. Subjects wore a CSA activity monitor during seven full days and simultaneously completed a 7-d physical activity diary. Finally, respondents filled out a paper and pencil IPAQ.


Intraclass correlation coefficient ranged from 0.60 to 0.83. Correlations for “total physical activity” between the computerized IPAQ and the CSA activity counts were moderate (min: r = 0.38; kcal: r = 0.43). Correlations with the physical activity diary were also moderate (min: r = 0.39; kcal: r = 0.46). Correlations between the computerized and the paper and pencil IPAQ were high (min: r = 0.80; kcal: r = 0.84).


The computerized Dutch IPAQ is a reliable and reasonably valid physical activity measurement tool for the general adult population.

Vandelanotte, De Bourdeaudhuij, and Philippaerts are with the Dept of Movement and Sport Sciences, Faculty of Medicine and Health Sciences, Ghent University, 9000 Ghent, Belgium. Sjöström is with the Unit for Preventive Nutrition at Novum, Dept of Biosciences, Karolinska Institute, 141 57 Huddinge, Sweden. Sallis is with the Dept of Psychology, San Diego State University, San Diego, CA 92103.