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Using a single question to assess physical activity in older adults: a reliability and validity study
BACKGROUND: Single-item physical activity questions provide a quick approximation of physical activity levels. While recall questionnaires provide a more detailed picture of an individual's level of physical activity, single-item questions may be more appropriate in certain situations. The aim...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3313867/ https://www.ncbi.nlm.nih.gov/pubmed/22373159 http://dx.doi.org/10.1186/1471-2288-12-20 |