Document Detail

Reproducibility of physical performance and physiologic assessments.
MedLine Citation:
PMID:  15750047     Owner:  HSR     Status:  MEDLINE    
We evaluate the test-retest stability of physical performance and physiologic assessments used in epidemiologic research. METHOD: Eighty subjects aged 50 to 65 were randomly selected from a probability sample of African Americans for test-retest assessments 5 to 45 days after baseline. Physical performance assessments included grip strength, chair stands, gait speed, and four standing-balance measures. Physiologic assessments included systolic and diastolic blood pressure, height, weight, body fat, and peak expiratory flow. RESULTS: Intraclass correlations coefficients (ICCs) were .81 for grip strength, .72 for chair stands, .56 for gait speed, .60 for one-leg stand, .52 for semitandem stand, .58 for tandem stand with eyes closed, and .27 for tandem stand with eyes open. Except for blood pressure (ICCs of .51 and .55 for systolic and diastolic), the physiologic assessments had ICCs > .89. DISCUSSION: Additional interviewer training may improve the reproducibility of the tandem stand with eyes open.
Fredric D Wolinsky; Douglas K Miller; Elena M Andresen; Theodore K Malmstrom; J Philip Miller
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of aging and health     Volume:  17     ISSN:  0898-2643     ISO Abbreviation:  J Aging Health     Publication Date:  2005 Apr 
Date Detail:
Created Date:  2005-03-07     Completed Date:  2005-03-24     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8912686     Medline TA:  J Aging Health     Country:  United States    
Other Details:
Languages:  eng     Pagination:  111-24     Citation Subset:  T    
College of Public Health, The University of Iowa, Iowa City, Iowa 52242, USA.
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MeSH Terms
African Continental Ancestry Group / statistics & numerical data
Blood Pressure Determination / statistics & numerical data*
Hand Strength*
Middle Aged
Physical Examination / statistics & numerical data*
Postural Balance*
Reproducibility of Results*
Time Factors
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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