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Drinking Patterns in US Counties From 2002 to 2012.

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Alcohol use varies significantly across US counties, with heavy and binge drinking increasing from 2005 to 2012. These findings highlight the need for targeted public health interventions to reduce excessive alcohol consumption.

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Area of Science:

  • Epidemiology
  • Public Health
  • Biostatistics

Background:

  • Alcohol consumption is a major public health concern in the United States.
  • Understanding geographic variations in alcohol use is crucial for effective intervention strategies.

Purpose of the Study:

  • To estimate the prevalence of any drinking, binge drinking, and heavy drinking at the US county level.
  • To analyze trends in alcohol consumption from 2002 to 2012.

Main Methods:

  • Utilized small area models applied to Behavioral Risk Factor Surveillance System (BRFSS) data.
  • Incorporated spatial and temporal smoothing techniques.
  • Accounted for methodological changes in BRFSS data collection over time.

Main Results:

  • Significant county-level disparities in alcohol use prevalence were observed in 2012.
  • Any drinking prevalence ranged from 11.0% to 78.7%, heavy drinking from 2.4% to 22.4%, and binge drinking from 5.9% to 36.0%.
  • Prevalence of heavy and binge drinking generally increased between 2005 and 2012, with considerable variation in the rate of change across counties.

Conclusions:

  • Substantial geographic variation exists in the levels and recent trends of alcohol use across US counties.
  • These county-level estimates can inform the design and implementation of targeted public health interventions.
  • Monitoring these trends is essential for reducing the burden of excessive alcohol use.