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Questionnaire based exposure assessment methods

D Coggon1

  • 1MRC Environmental Epidemiology Unit, University of Southampton, Southampton General Hospital, UK.

The Science of the Total Environment
|June 16, 1995
PubMed
Summary
This summary is machine-generated.

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Environmental epidemiological studies often use questionnaires for exposure assessment due to efficiency. However, ensuring questionnaire validity is crucial, as standard tools may not apply to all populations.

Area of Science:

  • Environmental Epidemiology
  • Public Health Research

Background:

  • Questionnaires are frequently used in environmental epidemiology for exposure assessment.
  • They offer efficiency and enable larger study sizes compared to more accurate methods.
  • Potential issues include lack of content or criterion validity, such as incomplete exposure source coverage or recall bias.

Purpose of the Study:

  • To describe methods for validating exposure assessment questionnaires.
  • To discuss the utility of validated standard questionnaires for cross-population comparisons.
  • To emphasize the importance of re-validating questionnaires for new populations.

Main Methods:

  • Review of questionnaire validation methodologies.
  • Discussion of standard questionnaire application in diverse populations.

Related Experiment Videos

  • Analysis of validity considerations in environmental exposure assessment.

    • Main Results:

    • Various methods exist for validating exposure questionnaires.
    • Validated standard questionnaires can facilitate comparisons across different study populations.
    • Automatic assumption of validity in new populations is cautioned against.

    Conclusions:

    • Questionnaire validation is essential for reliable exposure assessment in environmental epidemiology.
    • Careful consideration of validity is required when applying standard questionnaires to new populations.
    • Ensuring questionnaire validity enhances the comparability and statistical power of epidemiological studies.