Document Detail

Validity of self-reported hypertension in the National Health and Nutrition Examination Survey III, 1988-1991.
MedLine Citation:
PMID:  9327477     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The National Health and Nutrition Examination Survey (NHANES) is the main data source for hypertension surveillance. However, because of a gap of almost 10 years between each NHANES, self-reported data from annual surveys need to be examined as an alternative data source. This study analyzes the validity of self-reported hypertension in a national sample of non-Hispanic whites, non-Hispanic blacks, and Mexican-Americans. METHODS: Sensitivity, specificity, and predictive values positive (PVP) and negative (PVN) of self-reported hypertension were calculated against two definitions of hypertension: the definition recommended by the Third Joint National Committee on Hypertension, JNC III (blood pressure > or = 140/90 and/or taking antihypertension medication) and a broader definition including control with lifestyle modifications. Data used come from the NHANES III, 1988-1991. RESULTS: Overall test characteristics using the JNC III definition are sensitivity 71%, specificity 90%, PVP 72%, and PVN 89%. Test characteristics were consistently higher for the broad than for the JNC III definition. Validity of self-reported hypertension is higher among women than among men and among persons with a medical visit during the past year than among those with no visits: validity was lowest among Mexican-American men. Due to the similarity between sensitivity and PVP, the prevalence of self-reported hypertension is nearly equal to the prevalence of JNC III-defined hypertension. CONCLUSIONS: Self-reported hypertension may be used for surveillance of hypertension trends, in the absence of measured blood pressure, among non-Hispanic whites and non-Hispanic black women and persons with a medical visit in the past year. Validation should be repeated with each NHANES.
C M Vargas; V L Burt; R F Gillum; E R Pamuk
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Preventive medicine     Volume:  26     ISSN:  0091-7435     ISO Abbreviation:  Prev Med     Publication Date:    1997 Sep-Oct
Date Detail:
Created Date:  1997-10-30     Completed Date:  1997-10-30     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0322116     Medline TA:  Prev Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  678-85     Citation Subset:  IM    
National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, Maryland 20782, USA.
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MeSH Terms
African Continental Ancestry Group*
European Continental Ancestry Group*
Health Services Accessibility
Hypertension / diagnosis,  ethnology*
Life Style
Mexican Americans*
Middle Aged
Nutrition Surveys*
Population Surveillance / methods
Questionnaires / standards*
Reproducibility of Results
Sensitivity and Specificity
Sex Distribution
United States / epidemiology

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

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