Document Detail

Reproducibility of resting blood pressure and heart rate measurements. The HERITAGE Family Study.
MedLine Citation:
PMID:  10942874     Owner:  NLM     Status:  MEDLINE    
PURPOSE: This study determined the reproducibility of resting systolic and diastolic blood pressure, mean arterial pressure, and heart rate (the average of three measures/day). METHODS: The data were obtained on two separate days prior to an exercise training intervention in a sample of 822 subjects participating in the HERITAGE Family Study. The same protocol was conducted across three days in an intracenter quality control substudy, which included an additional 60 subjects. RESULTS: Reproducibility estimates included technical error, coefficient of variation within subjects, and intraclass correlation with results expressed by sex, race, age, cuff size, BMI, and %fat. Since the data were collected across four Clinical Centers, the reproducibility estimates were also computed separately for each Center. The systolic, diastolic, and mean arterial blood pressures were highly reproducible with technical errors less than 5.1 mmHg, coefficients of variation of less than 7. 0% and intraclass correlations > 0.75. The heart rates were slightly less reproducible. These results were fairly consistent across subject populations and across all four Clinical Centers. CONCLUSION: It is concluded that within subject day-to-day variations are small compared to between subject variance for resting systolic, diastolic, and mean arterial blood pressure and heart rate at each of the Clinical Centers for all of the HERITAGE Family Study data. This makes it appropriate to pool the data and analyze it for changes subsequent to endurance exercise training and to determine the possible genetic basis for these changes.
P R Stanforth; J Gagnon; T Rice; C Bouchard; A S Leon; D C Rao; J S Skinner; J H Wilmore
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Publication Detail:
Type:  Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Annals of epidemiology     Volume:  10     ISSN:  1047-2797     ISO Abbreviation:  Ann Epidemiol     Publication Date:  2000 Jul 
Date Detail:
Created Date:  2000-08-30     Completed Date:  2000-10-25     Revised Date:  2008-06-23    
Medline Journal Info:
Nlm Unique ID:  9100013     Medline TA:  Ann Epidemiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  271-7     Citation Subset:  IM    
Department of Health & Kinesiology, Texas A & M University, College Station, TX 77843-4243, USA.
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MeSH Terms
African Continental Ancestry Group
Blood Pressure / physiology*
Blood Pressure Determination* / methods
European Continental Ancestry Group
Heart Rate / physiology*
Middle Aged
Physical Endurance
Quality Control
Reproducibility of Results
Grant Support

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

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