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Quantifying the risks associated with exceeding recommended drinking limits.
Deborah A Dawson1, Bridget F Grant, Ting-Kai Li
1Laboratory of Epidemiology and Biometry Division of Intramural Clinical and Biological Research, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland 20892-9304, USA. ddawson@mail.nih.gov
Alcoholism, Clinical and Experimental Research
|May 18, 2005
Summary
Exceeding daily and weekly alcohol limits increases the risk of alcohol use disorders (AUDs). Higher frequency of exceeding limits correlates with a linear increase in alcohol dependence and abuse risks.
Area of Science:
- Public Health
- Epidemiology
- Alcohol Research
Background:
- Current guidelines for alcohol consumption (daily/weekly limits) effectively identify alcohol use disorders (AUDs).
- Limited data exist on the specific risks of exceeding these limits in an accessible format for public understanding.
- There is a need to translate quantitative drinking limits into qualitative risk assessments for broader audiences.
Purpose of the Study:
- To estimate the risks of alcohol abuse and alcohol dependence associated with exceeding established daily and weekly alcohol drinking limits.
- To present these risks in a format suitable for patients, students, and the general public.
- To analyze the relationship between frequency of exceeding drinking limits, maximum consumption, and AUD risk.
Main Methods:
- Utilized data from the 2001-2002 National Epidemiologic Survey on Alcohol and Related Conditions (NESARC).
- Analyzed a nationally representative sample of 26,946 US drinkers (≥18 years).
- Estimated risks of DSM-IV alcohol abuse and dependence based on frequency of exceeding daily limits (men: ≤4, women: ≤3) and weekly limits (men: ≤14, women: ≤7), and maximum drinks consumed.
Main Results:
- Prevalence of alcohol dependence with abuse increased linearly with the frequency of exceeding daily drinking limits.
- Risks for alcohol abuse and dependence were higher when weekly limits were exceeded, even after controlling for daily limit exceedance.
- Maximum alcohol quantity consumed was positively associated with AUD risk, independent of drinking frequency.
- While dependence risk showed few gender differences, alcohol abuse risk remained higher in men.
Conclusions:
- The study provides a valuable tool for illustrating the spectrum of AUD risks linked to exceeding recommended alcohol consumption limits.
- Findings support the effectiveness of daily and weekly drinking limits as predictors of alcohol use disorders.
- The data can inform public health messaging and individual risk assessment regarding alcohol consumption.