Measuring Physical Activity in a Cardiac Rehabilitation Population Using a Smartphone-Based Questionnaire

BACKGROUND: Questionnaires are commonly used to assess physical activity in large population-based studies because of their low cost and convenience. Many self-report physical activity questionnaires have been shown to be valid and reliable measures, but they are subject to measurement errors and mi...

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Autores principales: Pfaeffli, Leila, Maddison, Ralph, Jiang, Yannan, Dalleck, Lance, Löf, Marie
Formato: Artigo
Lenguaje:Inglês
Publicado: Gunther Eysenbach 2013
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Original Paper
Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC3636157/
https://ncbi.nlm.nih.gov/pubmed/23524251
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.2196/jmir.2419
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