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Design and Evaluation of a Computer-Based 24-Hour Physical Activity Recall (cpar24) Instrument

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Kohler, Simone ; Behrens, Gundula ; Olden, Matthias ; Baumeister, Sebastian E. ; Horsch, Alexander ; Fischer, Beate ; Leitzmann, Michael F.
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 25 Jan 2018 11:30


Background: Widespread access to the Internet and an increasing number of Internet users offers the opportunity of using Web-based recalls to collect detailed physical activity data in epidemiologic studies. Objective: The aim of this investigation was to evaluate the validity and reliability of a computer-based 24-hour physical activity recall (cpar24) instrument with respect to the recalled ...


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