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The Probability of Causation under a Stochastic Model for Individual Risk

Robins, James, Greenland, Sander·1989·Biometrics

Abstract

In this paper we offer a mathematical definition for the probability of causation that formalizes the legal and ordinary-language meaning of the term. We show that, under this definition, even the average probability of causation among exposed cases is not identifiable from epidemiologic data. This is because the probability of causation depends both on the unknown mechanisms by which exposure affects disease risk and competing risks, and on the unknown degree of heterogeneity in the background disease risk of the exposed population. We derive the maximum and minimum values for the probability of causation consistent with the observable population quantities. We also derive the relationship of the "assigned share" (excess incidence rate as a proportion of total incidence rate) to the probability of causation.

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Metadata

Authors
Robins, J., & Greenland, S.
Venue
Biometrics
Publisher
JSTOR
Published
1989-12
Volume
45
Issue
4
Pages
1125
ISSN
0006-341X (ISSN-L)
OpenAlex
W2068434797
Cited by
167
References
0
FWCI
2.76
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The Probability of Causation under a Stochastic Model for Individual Risk. https://app.cochat.ai/papers/10.2307/2531765
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Robins, J., & Greenland, S. (1989). The Probability of Causation under a Stochastic Model for Individual Risk. Biometrics. https://doi.org/10.2307/2531765

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.