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Measures of Physical Activity Using Cell Phones: Validation Using Criterion Methods

BACKGROUND: Physical activity is associated with reduced risks of many chronic diseases. Data collected on physical activity in large epidemiological studies is often based on paper questionnaires. The validity of these questionnaires is debated, and more effective methods are needed. OBJECTIVE: Thi...

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Detalles Bibliográficos
Autores principales:	Bexelius, Christin, Löf, Marie, Sandin, Sven, Trolle Lagerros, Ylva, Forsum, Elisabet, Litton, Jan-Eric
Formato:	Texto
Lenguaje:	English
Publicado:	Gunther Eysenbach 2010
Materias:	Original Paper
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2821583/ https://www.ncbi.nlm.nih.gov/pubmed/20118036 http://dx.doi.org/10.2196/jmir.1298

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