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Related Experiment Videos

Validation of work histories obtained from interviews.

G G Bond1, K M Bodner, W Sobel

  • 1Dow Chemical Company, Epidemiology, Health and Environmental Sciences, Midland, MI 48674.

American Journal of Epidemiology
|August 1, 1988
PubMed
Summary

Occupational history interviews for lung cancer studies show limited recall of specific chemical exposures. Recall of general work areas was better, influenced by job duration and respondent relationship.

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Area of Science:

  • Occupational health
  • Epidemiology
  • Environmental health

Background:

  • Assessing the validity of occupational histories from interviews is crucial for epidemiological studies.
  • Few studies have rigorously evaluated the accuracy of self-reported occupational data.

Purpose of the Study:

  • To assess the validity of occupational histories obtained through interviews.
  • To compare interview data with company records and industrial hygienist assessments.

Main Methods:

  • A nested case-control study within a cohort of 19,608 male chemical workers.
  • Telephone interviews conducted with lung cancer patients and controls (or next of kin) regarding exposures.
  • Comparison of interview data with documented work area assignments and exposure profiles.

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Main Results:

  • Respondents recalled 48.4% of documented work area assignments but only 2.6% of likely chemical exposures.
  • Recall of usual work area assignment was higher at 70.8%.
  • Factors influencing recall included number/duration of assignments, interview quality, respondent relationship, and time elapsed since assignment.

Conclusions:

  • Interview-based occupational histories have limitations in accurately recalling specific chemical exposures.
  • Recall of general work areas is more reliable than specific chemical exposures.
  • Factors such as job tenure and time elapsed significantly impact recall accuracy.