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Related Experiment Videos

Upper extremity symptoms in supermarket workers.

P Harber1, L Peña, G Bland

  • 1Occupational Medicine Branch/Department of Medicine, University of California, Los Angeles 90024-7027.

American Journal of Industrial Medicine
|January 1, 1992
PubMed
Summary

Supermarket workers using laser scanners experienced upper extremity symptoms. Increased hours of checking work and cumulative years on the job were linked to these adverse effects.

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Area of Science:

  • Occupational health
  • Ergonomics
  • Epidemiology

Background:

  • Repetitive tasks and specific equipment use in retail environments can pose risks.
  • Understanding the prevalence and risk factors for upper extremity symptoms is crucial for worker well-being.

Purpose of the Study:

  • To investigate the association between work exposures and upper extremity symptoms in supermarket workers.
  • To identify specific job-related factors contributing to symptoms in this population.

Main Methods:

  • A questionnaire was administered to 124 supermarket workers by trained interviewers.
  • Exposure indices (short-term and long-term), past illnesses, and personal activities were assessed.
  • Chi square and logistic regression analyses were used to analyze symptom data.

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Main Results:

  • Hours of checking work in the preceding two weeks were significantly associated with adverse upper extremity symptoms.
  • Cumulative weighted years of work also showed a significant association with these symptoms.
  • Symptoms affected both proximal and distal parts of the upper extremities.

Conclusions:

  • Occupational exposure, particularly prolonged checking work with laser scanners, is linked to upper extremity symptoms in supermarket employees.
  • Both recent and long-term work exposures are relevant risk factors.
  • Interventions should consider reducing exposure duration and addressing cumulative work history.