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Binge drinking intensity: a comparison of two measures.

Marissa B Esser¹, Dafna Kanny, Robert D Brewer

¹Alcohol Program, Epidemiology and Surveillance Branch, Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, CDC, Atlanta, GA 30341, USA.

American Journal of Preventive Medicine

|May 22, 2012

Summary

Assessing binge drinking intensity using the maximum number of drinks consumed is a practical approach. This method correlates well with total drinks per episode, aiding public health strategies.

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Area of Science:

Public Health
Epidemiology
Substance Abuse Research

Background:

Binge drinking causes significant mortality and economic burden in the U.S.
Binge drinking intensity, a key harm predictor, is less commonly assessed than prevalence.
Existing health surveys capture maximum drinks consumed, but its utility for intensity measurement is unverified.

Purpose of the Study:

To evaluate the concordance between two binge drinking intensity metrics: maximum drinks consumed and total drinks in the most recent episode.
To determine if 'maximum-drinks' is a reliable proxy for 'drinks-per-binge' intensity.

Main Methods:

Analysis of data from 7909 adult binge drinkers in the 2008 Behavioral Risk Factor Surveillance System (BRFSS) binge drinking module.
Comparison of mean and median values for maximum-drinks and drinks-per-binge.
Statistical correlation analyses conducted between 2010-2011.

Main Results:

Strong correlation (r=0.57) observed between mean (8.2) and median (5.9) maximum-drinks and mean (7.4) and median (5.4) drinks-per-binge.
High agreement between the two intensity measures across various sociodemographic groups and states.

Conclusions:

Maximum drinks consumed is a feasible and effective measure for assessing binge drinking intensity.
This validated measure supports planning and evaluating public health interventions for binge drinking prevention.