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Validation of Web-Based Physical Activity Measurement Systems Using Doubly Labeled Water
BACKGROUND: Online or Web-based measurement systems have been proposed as convenient methods for collecting physical activity data. We developed two Web-based physical activity systems—the 24-hour Physical Activity Record Web (24hPAR WEB) and 7 days Recall Web (7daysRecall WEB). OBJECTIVE: To examin...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Gunther Eysenbach
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3517333/ https://www.ncbi.nlm.nih.gov/pubmed/23010345 http://dx.doi.org/10.2196/jmir.2253 |