Improved estimates for individual and population-level alcohol use in the United States, 1984-2020

  • Charlotte Buckley University of Sheffield
  • Alan Brennan
  • William C. Kerr
  • Charlotte Probst
  • Klajdi Puka
  • Robin C. Purshouse
  • Jürgen Rehm
DOI: https://doi.org/10.7895/ijadr.383
Keywords: alcohol drinking, epidemiology, population health, survey data, synthetic populations

Abstract

Aims:

While nationally representative alcohol surveys are a mainstay of public health monitoring, they underestimate consumption at the population level. This paper demonstrates how to adjust individual-level survey data using aggregated alcohol per capita (APC) data for improved individual- and population-level consumption estimates.

Design and methods:

For the period 1984-2020 data on self-reported alcohol consumption in the past 30 days were taken from the Behavioral Risk Factor Surveillance System (BRFSS) involving participants (18+ years) in the US. Monthly abstainers were re-allocated into lifetime abstainers, former drinkers and 12-month drinkers using the 2005 National Alcohol Survey data.  To correct for under-coverage of alcohol use, we triangulated APC and survey data by upshifting quantity (average grams/ day) and frequency (drinking days/week) of alcohol use based on national and state-level alcohol per capita data.

Findings

The corrections described above resulted in better correspondence between survey and APC data. Following our procedure, national estimates of alcohol quantity increased from 45% to 77% of APC estimates. Both quantity and frequency of alcohol use were upshifted; by upshifting to 90% of APC, we were able to fit trends and distributions in APC patterns for individual states and the US.

Conclusions:

An individual-level dataset which more accurately reflects the alcohol use of US citizens was achieved. This dataset will be invaluable as a research tool and for the planning and evaluation of alcohol control policies for the US. The methodology described can also be used to adjust individual-level alcohol survey data in other geographical settings.

Published
2022-12-30
How to Cite
Buckley, C., Brennan, A., Kerr, W., Probst, C., Puka, K., Purshouse, R., & Rehm, J. (2022). Improved estimates for individual and population-level alcohol use in the United States, 1984-2020. International Journal of Alcohol and Drug Research, 10(1), 24-33. https://doi.org/10.7895/ijadr.383
Issue
Vol. 10 No. 1 (2022)
Section
Article

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