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| Basic Problems in Interaction Assessment Sander Greenland Department of Epidemiology, UCLA School of Public Health, Los Angeles,
CA 90024-1772 Abstract
This paper reviews problems with the definition and estimation of interactions in epidemiologic studies. Methods for modeling interactions and dose-response also are reviewed, and references to more detailed literature are provided. Concepts are illustrated in the context of evaluating the joint effects of household radon exposure and environmental tobacco smoke. -- Environ Health Perspect 101(Suppl 4) :59-66 (1993) . Key Words: Epidemiologic methods, interaction, relative risk, risk assessment
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