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Alcohol and mortality.

A L Klatsky1, M A Armstrong, G D Friedman

  • 1Kaiser Permanente Medical Center, Department of Medicine, Oakland, CA 94611.

Annals of Internal Medicine
|October 15, 1992
PubMed
Summary
This summary is machine-generated.

Heavy alcohol consumption increases mortality risk, particularly for women and younger individuals, from noncardiovascular causes. Moderate alcohol intake, however, may reduce cardiovascular disease mortality, especially in older adults.

Keywords:
Age FactorsAlcohol DrinkingAmericasBehaviorBiologyCaliforniaCauses Of DeathCultural BackgroundDemographic FactorsDeveloped CountriesEthnic GroupsMortalityNorth AmericaNorthern AmericaPopulationPopulation CharacteristicsPopulation DynamicsRisk FactorsSex FactorsUnited States

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Area of Science:

  • Epidemiology
  • Public Health
  • Cardiovascular Research

Background:

  • Alcohol consumption is a significant public health concern with documented associations with various health outcomes.
  • Understanding the nuanced relationship between alcohol intake and mortality across different demographics and causes of death is crucial for targeted interventions.

Purpose of the Study:

  • To investigate the association between alcohol consumption levels and all-cause and cause-specific mortality.
  • To examine how age, sex, race, and baseline health status modify the relationship between alcohol intake and mortality.

Main Methods:

  • A prospective cohort study involving 128,934 adults was conducted between 1978 and 1985.
  • Data on demographics, health history, and alcohol intake were collected via questionnaires.
  • Mortality outcomes were ascertained through automated linkage and individual validation, with relative risks calculated using Cox proportional hazards models.

Main Results:

  • Heavy drinking (≥6 drinks/day) was associated with a 1.6-fold increased risk of noncardiovascular mortality, including cirrhosis and tobacco-related cancers.
  • This increased risk was more pronounced in women (RR=2.2) and younger individuals (<50 years, RR=1.9).
  • Light drinking (1-2 drinks/day) was linked to a 30% reduced risk of cardiovascular disease mortality, particularly coronary heart disease, with the greatest benefit observed in older adults.

Conclusions:

  • Women and younger individuals exhibit heightened susceptibility to the adverse mortality effects of heavy alcohol consumption.
  • Lighter alcohol consumption offers a protective effect against cardiovascular disease mortality, especially in the elderly.
  • Reduced prevalence of coronary heart disease in lighter drinkers might contribute to lower noncardiovascular mortality risk.