Black-white differences in idiopathic dilated cardiomyopathy: The Washington DC dilated cardiomyopathy study

Steven S. Coughlin, James R. Labenberg, Mariella C. Tefft

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

We conducted an epidemiologic study to examine the extent to which differences in purported risk factors account for black-white differences in risk of idiopathic dilated cardiomyopathy. We examined associations with race and other factors by comparing newly diagnosed cases (N = 122), ascertained from five Washington DC area hospitals, with neighborhood controls (N = 234) identified using a random digit dialing technique. We matched the cases and controls on sex and 5-year age intervals and analyzed the data using conditional logistic regression methods. We found that blacks were at increased risk for idiopathic dilated cardiomyopathy (relative odds = 2.6, 95% confidence interval = 1.6–4.3). The increased risk for blacks could not be explained by income, educational attainment, alcohol consumption, cigarette smoking, or history of hypertension, obesity, diabetes, or asthma. We also observed a possible interactive effect between black race and hypertension.

Original languageEnglish (US)
Pages (from-to)165-172
Number of pages8
JournalEpidemiology
Volume4
Issue number2
DOIs
StatePublished - Mar 1993
Externally publishedYes

Keywords

  • Asthma
  • Congestive cardiomyopathy
  • Diabetes mellitus
  • Hypertension
  • Obesity
  • Prevention
  • Race
  • Smoking
  • Socioeconomic status

ASJC Scopus subject areas

  • Epidemiology

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