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Validity of exposure data derived from a structured questionnaire.

M Joffe1

  • 1Academic Department of Public Health, St. Mary's Hospital Medical School, London, England.

American Journal of Epidemiology
|March 1, 1992
PubMed
Summary
This summary is machine-generated.

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Employee self-reported occupational exposure data shows variable accuracy. While useful, improvements are needed to reduce underreporting, especially for specific chemical exposures, to enhance workplace safety assessments.

Area of Science:

  • Occupational Health
  • Industrial Hygiene
  • Epidemiology

Background:

  • Obtaining occupational exposure data directly from employees is convenient.
  • Limited evidence exists on the validity of employee-reported exposure information.
  • Accurate exposure data is crucial for assessing workplace health risks.

Purpose of the Study:

  • To assess the validity of occupational exposure information obtained from employees.
  • To compare employee-reported data with management-derived data.
  • To identify factors influencing the accuracy of employee exposure reports.

Main Methods:

  • A short, pre-coded, structured questionnaire was administered by non-expert interviewers to employees.
  • Data was collected from five factories in the printing and plastics industries in England in 1986.

Related Experiment Videos

  • Employee-reported data was compared with information from management.

    • Main Results:

    • Sensitivity values ranged from 24% to 85% for eight different exposures.
    • Specificity was at least 67% for seven of the eight agents.
    • Chemically specific exposures had higher specificity but lower sensitivity; male workers' reports had higher sensitivity but lower specificity.

    Conclusions:

    • Employee self-reported occupational exposure data has limitations in accuracy, particularly regarding underreporting.
    • Improvements are needed to enhance the reliability of this data for workplace safety.
    • Using workers' common names for agents may improve reporting accuracy.