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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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| Main Authors: | , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado: |
Gunther Eysenbach
2013
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| Assuntos: | |
| Acceso en liña: | 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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