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Related Experiment Videos

Is social class standardisation appropriate in occupational studies?

C Brisson1, D Loomis, N Pearce

  • 1Department of Epidemiology, University of North Carolina School of Public Health, Chapel Hill 27701.

Journal of Epidemiology and Community Health
|December 1, 1987
PubMed
Summary

Social class standardization in epidemiological studies aims to isolate lifestyle effects but can introduce occupational bias. Careful consideration of exposures and disease is crucial for valid results.

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Area of Science:

  • Epidemiology
  • Social Epidemiology
  • Occupational Health

Background:

  • Social class standardization is a method to differentiate occupational and social/lifestyle factors in epidemiological research.
  • It involves comparing workers in an occupation to others within the same social class.

Purpose of the Study:

  • To evaluate the validity of social class standardization in epidemiological studies.
  • To identify potential biases introduced by this standardization method.

Main Methods:

  • The study critically examines the assumptions underlying social class standardization.
  • It analyzes scenarios where comparison groups share occupational risk factors.

Main Results:

  • The validity of social class standardization relies on assumptions that may not hold true.

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  • Bias can be introduced if the comparison group shares occupational exposures relevant to the disease.
  • Occupational category as a social class measure can magnify bias.

    • Conclusions:

    • Adjustment for social class in epidemiological studies requires careful consideration of specific exposures and diseases.
    • Potential bias from unmeasured occupational factors must be acknowledged.
    • Presenting both crude and standardized results is recommended.