Coffee consumption and mortality in the Chicago western electric company study

Dan Legrady, Alan R. Dyer*, Richard B. Shekelle, Jeremiah Stamler, Kiang Liu, Oglesby Paul, Mark Lepper, Anne Macmillan Shryock

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

80 Scopus citations

Abstract

The relations between coffee consumption and 19-year mortality from all causes, coronary heart disease, and non-coronary causes were assessed in 1,910 white males aged 40-56 years in 1957-1958 from the Chicago Western Electric Company Study. Mortality rates, adjusted for age, serum cholesterol, diastolic blood pressure, and smoking status, were compared for those consum ing 0-1,2-3, 4-5, and 6+ cups of coffee per day; coffee intake, measured at the first anniversary examination, included both caffeinated and decaffeinated intake. Mortality from all causes was greatest in the highest and lowest intake groups. The Increased mortality in the 6+ cups per day group was due to coronary heart disease, while the increased mortality in the lowest intake group was due to noncoronary causes. The adjusted relative risk of coronary heart disease death for those drinking 6+ cups of coffee per day compared with those drinking less was 1.71 (95 per cent confidence limits 1.27, 2.30). This Increased risk of coronary heart disease death was present In both smokers and nonsmokers, with adjusted relative risks of 1.62 and 2.21, respectively (95 per cent confidence limits 1.17, 2.24 and 1.06, 4.62). The Increased mortality from non-coronary causes in the lowest intake group was due pnmarlly to increased mortality from cancer and cardiovascular diseases other than coronary heart disease. The results of this study support the hypothesis that those who drink 6+ cups of coffee per day may be at an increased risk of death from coronary heart disease.

Original languageEnglish (US)
Pages (from-to)803-812
Number of pages10
JournalAmerican journal of epidemiology
Volume126
Issue number5
DOIs
StatePublished - Nov 1987

Keywords

  • Coffee
  • Coronary disease
  • Mortality

ASJC Scopus subject areas

  • Epidemiology

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