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Quantifying Physical Activity in Physical Education via Pedometry: A Further Analysis of Steps/Min Guidelines.
MedLine Citation:
PMID:  23037000     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: The validity of common pedometer steps/min guidelines for 1st through 12th grade physical education physical activity (PA) recommendations (i.e., 33% and 50% PA) was investigated. METHODS: Data sets from previous research, where physical education PA was quantified via pedometry, were combined. Participants (1st-12th grade, N=1,152) with concurrent steps/min and observed %PA scores were included. Data were analyzed using correlation, regression, and receiver-operator-characteristic (ROC) statistics. Alpha was set at .05. RESULTS: Overall, by gender and school level group (i.e., 1st-6th, 7th-12th) PA outcome measures were strongly correlated and significant (r=.85 to .92). Steps/min2, lesson time3, stature4, and BMI5 were significant predictors (r12·345=.91) of %PA1. Steps/min accounted for 85.4% of the variance for %PA; however, the other predictors only accounted for an additional 0.5%. ROC analyses indicated that steps/min was an excellent discriminator (AUC≥.90) of %PA guideline achievement. Steps/min values of 60.6 and 82.2 were the most accurate cut points overall for the 33% and 50% PA guidelines, respectively. Steps/min cut points for gender and school level demonstrated agreement with the overall steps/min cut points. CONCLUSIONS: These findings support the contention that common steps/min guidelines can be applied in the surveillance of physical education PA.
Authors:
Philip W Scruggs
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-4
Journal Detail:
Title:  Journal of physical activity & health     Volume:  -     ISSN:  1543-5474     ISO Abbreviation:  J Phys Act Health     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101189457     Medline TA:  J Phys Act Health     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Movement Sciences, University of Idaho, Moscow, ID.
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