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Initial Validation of an Exercise "Vital Sign " in Electronic Medical Records.
MedLine Citation:
PMID:  22688832     Owner:  NLM     Status:  Publisher    
PURPOSE: To describe the face and discriminant validity of an exercise vital sign (EVS) for use in an outpatient electronic medical record. METHODS: Eligible patients were 1,793,385 adults 18 years and older who were members of a large health care system in southern California. To determine face validity, median total self-reported minutes per week of exercise as measured by the EVS were compared to findings from national population-based surveys. To determine discriminant validity, multivariate Poisson regression models with robust variance estimation were used to examine the ability of the EVS to discriminate between groups of patients with differing physical activity (PA) levels based on demographics and health status. RESULTS: After 1.5 years of implementation, 86% (1,537,798) of all eligible patients had an EVS in their electronic medical record. Overall, 36.3% of patients were completely inactive (0 minutes of exercise per week), 33.3% were insufficiently active (more than 0 but less than 150 minutes per week), and 30.4% were sufficiently active (150 minutes or more per week). As compared to national population-based surveys, patient reports of PA were lower but followed similar patterns. As hypothesized, patients who were older, obese, of a racial/ethnic minority, and had higher disease burdens were more likely to be inactive, suggesting that the EVS has discriminant validity. CONCLUSIONS: We found that the EVS has good face and discriminant validity and may provide more conservative estimates of PA behavior when compared to national surveys. The EVS has the potential to provide information about the relationship between exercise and health care utilization, cost, and chronic disease that has not been previously available at the population level.
Karen J Coleman; Eunis Ngor; Kristi Reynolds; Virginia P Quinn; Corinna Koebnick; Deborah Rohm Young; Barbara Sternfeld; Robert E Sallis
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-8
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  -     ISSN:  1530-0315     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
1Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, CA; 2Division of Research, Kaiser Permanente Northern California, Oakland, CA; 3Department of Family Medicine Fontana Medical Center, Kaiser Permanente Southern California, Fontana, CA.
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