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Reliability and Validity of an Internet-based Questionnaire Measuring Lifetime Physical Activity

Lifetime exposure to physical activity is an important construct for evaluating associations between physical activity and disease outcomes, given the long induction periods in many chronic diseases. The authors' objective in this study was to evaluate the measurement properties of the Lifetime...

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Autori principali: De Vera, Mary A., Ratzlaff, Charles, Doerfling, Paul, Kopec, Jacek
Natura: Artigo
Lingua:Inglês
Pubblicazione: Oxford University Press 2010
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC2970783/
https://ncbi.nlm.nih.gov/pubmed/20876666
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/aje/kwq273
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