Improved estimates for individual and population-level alcohol use in the United States, 1984-2020
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Published:2022-12-02
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Volume:
Page:
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ISSN:1925-7066
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Container-title:International Journal of Alcohol and Drug Research
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language:
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Short-container-title:IJADR
Author:
Buckley Charlotte,Brennan Alan,Kerr William,Probst Charlotte,Puka Klajdi,Purshouse Robin,Rehm Jürgen
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.
Publisher
International Journal of Alcohol and Drug Research
Cited by
1 articles.
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