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Methodological issues in measuring alcohol use.

Deborah A Dawson1

  • 1National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA.

Alcohol Research & Health : the Journal of the National Institute on Alcohol Abuse and Alcoholism
|August 11, 2004
PubMed
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Survey methodology significantly impacts alcohol consumption measurement. Key factors include recall period, consumption measures (quantity/frequency), question format, and survey design elements like interview mode and confidentiality, all affecting data reliability and validity.

Area of Science:

  • Public Health
  • Survey Methodology
  • Epidemiology

Background:

  • Accurate measurement of alcohol consumption is crucial for understanding alcohol-related health outcomes.
  • Various methodological factors can introduce bias and affect the reliability and validity of survey data on alcohol intake.

Purpose of the Study:

  • To review and discuss key methodological issues that influence the measurement of alcohol consumption in surveys.
  • To highlight factors that researchers should consider for improving the accuracy of alcohol consumption data collection.

Main Methods:

  • Discussion of different reference periods (short-term recall vs. long-term summary).
  • Comparison of alcohol consumption measurement approaches, including quantity/frequency (QF) and graduated frequency (GF).

Related Experiment Videos

  • Examination of other survey design elements: question types (beverage-specific vs. overall, open-ended vs. categorical), drink size definitions, interview mode, use of computerized instruments, and confidentiality measures.

    • Main Results:

    • Longer recall periods facilitate linking consumption data with health outcomes.
    • Both QF and GF approaches enable estimation of alcohol intake volume.
    • Survey design features, such as interview mode and confidentiality, significantly impact data reliability and validity.

    Conclusions:

    • Methodological choices in survey design critically affect the accuracy of alcohol consumption measurement.
    • Researchers must carefully consider reference periods, measurement approaches, question design, and overall survey features to obtain valid and reliable alcohol consumption data.