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An assessment of self-reported physical activity instruments in young people for population surveillance: Project ALPHA
BACKGROUND: The assessment of physical activity is an essential part of understanding patterns and influences of behaviour, designing interventions, and undertaking population surveillance and monitoring, but it is particularly problematic when using self-report instruments with young people. This s...
| Autores principales: | , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2011
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3019119/ https://www.ncbi.nlm.nih.gov/pubmed/21194492 http://dx.doi.org/10.1186/1479-5868-8-1 |