Exposure opportunity in epidemiologic studies.

@article{Schlesselman1987ExposureOI,
  title={Exposure opportunity in epidemiologic studies.},
  author={James J. Schlesselman and Bruce V. Stadel},
  journal={American journal of epidemiology},
  year={1987},
  volume={125 2},
  pages={174-8}
}
We have shown that consideration of exposure opportunity is crucial to planning epidemiologic investigations because it focuses studies on questions of relevance, it helps to identify links to variables that can distort the assessment of an exposure's effect, and the cost of investigation can be reduced by the use of appropriate eligibility criteria. The… CONTINUE READING