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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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Main Authors: Ward, Phillip, McKenzie, Thomas L., Cohen, Deborah, Evenson, Kelly R., Golinelli, Daniela, Hillier, Amy, Lapham, Sandra C., Williamson, Stephanie
格式: Artigo
語言:Inglês
出版: Centers for Disease Control and Prevention 2014
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在線閱讀:https://ncbi.nlm.nih.gov/pmc/articles/PMC3879002/
https://ncbi.nlm.nih.gov/pubmed/24384304
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.5888/pcd11.130147
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