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Physical Activity Surveillance in Parks Using Direct Observation

INTRODUCTION: Primary features of observational public health surveillance instruments are that they are valid, can reliably estimate physical activity behaviors, and are useful across diverse geographic settings and seasons by different users. Previous studies have reported the validity and reliabi...

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Detalles Bibliográficos
Autores principales: Ward, Phillip, McKenzie, Thomas L., Cohen, Deborah, Evenson, Kelly R., Golinelli, Daniela, Hillier, Amy, Lapham, Sandra C., Williamson, Stephanie
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Centers for Disease Control and Prevention 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3879002/
https://www.ncbi.nlm.nih.gov/pubmed/24384304
http://dx.doi.org/10.5888/pcd11.130147