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Related Experiment Videos

Five-year reliability of self-reported alcohol consumption.

D M Czarnecki1, M Russell, M L Cooper

  • 1Research Institute on Alcoholism, Buffalo, New York 14203.

Journal of Studies on Alcohol
|January 1, 1990
PubMed
Summary

Self-reported alcohol consumption in women is reliable over time. Retrospective reports of total alcohol intake are accurate, with heavy drinking potentially better recalled retrospectively.

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Area of Science:

  • Epidemiology
  • Behavioral Science
  • Women's Health

Background:

  • Accurate assessment of alcohol consumption is crucial for epidemiological studies and clinical interventions.
  • Self-administered questionnaires are common tools, but their long-term reliability, especially retrospective reporting, requires validation.

Purpose of the Study:

  • To evaluate the reliability of self-reported alcohol consumption using a questionnaire over a 5-year interval.
  • To assess the accuracy of retrospective reporting of alcohol intake compared to original reports.

Main Methods:

  • A cohort of 73 gynecologic outpatients completed a beverage-specific alcohol use questionnaire.
  • The same questionnaire was administered 5 years later, assessing both past and current drinking patterns.
  • Statistical analysis correlated original and retrospective data, including beverage-specific absolute alcohol (AA) and total AA.

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Main Results:

  • Original and retrospective data on alcohol consumption were highly correlated (R² = 0.86 for total AA).
  • Frequency of drinking was recalled more accurately than quantity per occasion.
  • Retrospective reports identified nearly twice as many heavy drinkers compared to original reports, suggesting improved recall for heavier consumption.

Conclusions:

  • Retrospective reports of total alcohol consumption by nonalcoholic women are reliable over a 5-year period.
  • Heavy alcohol consumption may be reported more accurately retrospectively than currently.
  • Beverage-specific recall, particularly for less frequently consumed items like wine, showed varied correlation with original data.