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Alcohol and injury. A case-crossover study

D C Vinson1, N Mabe, L L Leonard

  • 1Department of Family and Community Medicine, University of Missouri- Columbia School of Medicine, USA.

Archives of Family Medicine
|June 1, 1995
PubMed
Summary
This summary is machine-generated.

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Alcohol consumption significantly increases injury risk, with higher intake leading to greater odds of harm. This study highlights the acute impact of alcohol on injury susceptibility.

Area of Science:

  • Public Health
  • Epidemiology
  • Trauma Research

Background:

  • Alcohol consumption is a prevalent behavior with known health implications.
  • Understanding the acute relationship between alcohol use and injury risk is crucial for public health interventions.
  • Previous research suggests a link, but specific dose-response relationships and acute risk windows require further investigation.

Purpose of the Study:

  • To quantify the association between alcohol consumption and the risk of sustaining an injury.
  • To investigate the extent to which alcohol intake elevates injury risk.
  • To explore potential dose-response effects of alcohol on injury occurrence.

Main Methods:

  • A case-crossover study design was employed to assess rare acute events like trauma in relation to intermittent exposures such as alcohol use.

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  • The study included 350 adult patients presenting with injuries at university and private hospitals.
  • Exposure was assessed by comparing alcohol consumption during a 6-hour period before injury (case period) with consumption during the same 6-hour period on the previous day (control period), using retrospective self-report.

    • Main Results:

    • Analysis of discordant exposure pairs revealed a significantly increased odds ratio for injury associated with alcohol consumption.
    • Consuming one or more standard drinks versus none resulted in an odds ratio of 2.5 (95% CI, 1.2 to 5.4).
    • Ingesting four or more drinks compared to three or fewer showed a substantially higher odds ratio of 5.0 (95% CI, 1.4 to 27), suggesting a dose-response relationship.

    Conclusions:

    • Alcohol consumption within the 6 hours preceding an injury is strongly associated with an elevated risk of injury.
    • The findings support a dose-response effect, where greater alcohol intake correlates with higher injury risk.
    • While a dose-response trend was observed, the study's sample size did not allow for the identification of a specific risk threshold.