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Suicides at work: misclassification and prevention implications.

Jess F Kraus1, Kathryn Schaffer, Lawrence Chu

  • 1Received from the Southern California Injury Prevention Research Center, University of California, Los Angeles 90024, USA. jfkraus@ucla.edu

International Journal of Occupational and Environmental Health
|September 1, 2005
PubMed
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Thousands of work-related suicides are misclassified annually in the US. This misclassification hinders understanding of risk factors and intervention potential for occupational suicide prevention.

Area of Science:

  • Occupational health
  • Public health
  • Epidemiology

Background:

  • Suicide is a significant public health issue.
  • Understanding the work-relatedness of suicide is crucial for targeted interventions.
  • Existing data may misclassify suicides, impacting prevention efforts.

Purpose of the Study:

  • To quantify the extent of misclassification of suicides regarding work-relatedness.
  • To assess the implications of this misclassification for intervention strategies.

Main Methods:

  • A matched case-control study design was employed.
  • Cases were identified from California's mortality file using specific ICD-9-CM codes (E950-959) and an "injury-at-work" designation.
  • Controls were matched on external cause of death, age, date, and county of occurrence.

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Main Results:

  • Over 11% of suicide cases and 23% of controls were misclassified regarding work-relatedness.
  • Extrapolation suggests thousands of misclassified suicides nationwide.
  • Significant misclassification impacts the accurate assessment of work-related suicide risk.

Conclusions:

  • The study highlights substantial misclassification in identifying work-related suicides.
  • This inaccuracy leads to a flawed understanding of risk factors and intervention potential.
  • Improved classification is essential for effective occupational suicide prevention programs.