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Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
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Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder
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Alcohol use in shiftworkers.

Jillian Dorrian1, Georgina Heath1, Charli Sargent2

  • 1Brain and Body at Work Group, Centre for Sleep Research, University of South Australia, Level 7, Playford Building, City East Campus, Frome Road, Adelaide 5000, Australia.

Accident; Analysis and Prevention
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Summary
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Shiftworkers, especially younger males on long, rotating shifts, may binge drink. Alcohol use can strain physiological systems, particularly when used as a sleep aid between shifts.

Keywords:
Alcohol consumptionShiftworkSleep

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Area of Science:

  • Occupational Health
  • Sleep Medicine
  • Addiction Research

Background:

  • Shift work is associated with potential health risks, including altered alcohol consumption patterns.
  • Previous studies suggest shiftworkers may use alcohol as a sleep aid, but differences between specific shift types remain underexplored.

Purpose of the Study:

  • To investigate alcohol consumption patterns among Australian shiftworkers on different fixed and rotating shift schedules.
  • To examine the relationship between shift type, sleep duration, and alcohol intake, including binge drinking behaviors.

Main Methods:

  • A cross-sectional study involving 118 shiftworkers from various industries (printing, postal, nursing, oil).
  • Participants completed the Cancer Council Dietary Questionnaire and a Standard Shiftwork Index to record alcohol intake, sleep duration, tiredness, gender, and age.
  • Shift types included 12-h rotating, 8-h rotating, morning, and night schedules.

Main Results:

  • Average alcohol consumption was 9.6 standard drinks/week, with 16.7% using alcohol as a sleep aid and 33.3% reporting consuming 12+ drinks in 24 hours.
  • Alcohol consumption was higher in males and decreased with age.
  • No significant differences in weekly alcohol consumption were found between shift types, but 12-h rotating shifts were associated with higher drinks per 24h and reduced sleep.

Conclusions:

  • Shiftworkers, particularly younger males on long, rotating shifts, are at higher risk for binge drinking.
  • Alcohol consumption may exacerbate physiological stress in shiftworkers, especially when used as a sleep aid.
  • Further research into targeted interventions for at-risk shiftworker populations is warranted.