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High-intensity drinking and hours spent drinking.

Megan E Patrick1, Michael J Parks2,3, Sarah J Peterson1

  • 1Institute for Social Research, University of Michigan, Ann Arbor, Michigan, USA.

Alcohol, Clinical & Experimental Research
|January 16, 2024
PubMed
Summary
This summary is machine-generated.

High-intensity drinking (HID) involves consuming more alcohol over longer periods and at a faster pace, leading to more negative consequences. Adding a time limit to the definition of HID does not improve risk assessment.

Keywords:
alcoholbingeblood alcoholdrinking pacehigh-intensity

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Area of Science:

  • Public Health
  • Addiction Research
  • Alcohol Epidemiology

Background:

  • High-intensity drinking (HID) is linked to adverse outcomes.
  • The necessity of a time qualifier for defining HID and identifying at-risk individuals is debated.

Purpose of the Study:

  • To evaluate the utility of incorporating a time qualifier into the definition of high-intensity drinking (HID).
  • To assess whether time spent drinking is crucial for identifying young adults at the highest risk for negative consequences.

Main Methods:

  • Analysis of repeated daily online surveys from a nationally representative sample of US 12th-grade students (Monitoring the Future study).
  • Young adults (aged 19-20) completed surveys in 2019 and 2020, detailing alcohol consumption patterns over 14 consecutive days annually.

Main Results:

  • High-intensity drinking (HID) days exhibited longer drinking durations (5.2 hours), higher peak estimated blood alcohol concentration (eBAC, 0.30%), and faster drinking pace (2.58 drinks/hour).
  • HID was associated with significantly more negative consequences compared to moderate or binge drinking.
  • Adjusting for time spent drinking did not alter the interpretation of HID's association with negative consequences or peak eBAC.

Conclusions:

  • High-intensity drinking (HID) is characterized by both extended duration and rapid pace of alcohol consumption.
  • Implementing a time qualifier in the HID definition would limit its scope and not enhance risk stratification.
  • Current definitions of HID effectively capture increased risk without time constraints.