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Related Experiment Videos

Survey data need not underestimate alcohol consumption.

Sally Casswell1, Taisia Huckle, Megan Pledger

  • 1Alcohol& Public Health Research Unit, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand. s.casswell@massey.ac.nz

Alcoholism, Clinical and Experimental Research
|October 24, 2002
PubMed
Summary

Population surveys can accurately measure alcohol consumption, accounting for 94% of taxable alcohol in New Zealand. This method improves upon traditional per capita estimates by using detailed, within-location consumption data.

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Area of Science:

  • Epidemiology
  • Public Health
  • Survey Methodology

Background:

  • Alcohol consumption is typically measured via per capita estimates from taxable alcohol data or population-based surveys.
  • Population surveys often underestimate alcohol consumption compared to taxable alcohol data.
  • Discrepancies highlight a need for more accurate survey methodologies.

Purpose of the Study:

  • To present a novel data collection method for national alcohol surveys.
  • To demonstrate that population-based surveys can accurately account for taxable alcohol availability.
  • To validate a survey methodology capable of capturing a high proportion of alcohol consumption.

Main Methods:

  • A national alcohol survey was conducted in New Zealand.
  • Data collection involved within-location, beverage-specific alcohol consumption measures.

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  • A computer-assisted telephone interview system was utilized for data gathering.
  • The survey achieved broad population coverage.

    • Main Results:

    • The survey methodology successfully accounted for 94% of taxable alcohol available for consumption in New Zealand.
    • This high proportion is attributed to detailed consumption recording and survey design.
    • The results indicate a significant improvement in survey validity.

    Conclusions:

    • Population-based surveys employing this methodology can achieve high accuracy in estimating alcohol consumption.
    • The outlined method may match or surpass per capita estimates of taxable alcohol availability.
    • This approach offers a more reliable tool for public health assessments of alcohol consumption.