Review
Effect modification in epidemiology and medicine
Affiliations
- PMID: 22924379
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Review
Effect modification in epidemiology and medicine
Arch Iran Med.
2012 Sep.
Abstract
Effect modification, also known as interaction or heterogeneity of effect, is an important concept in epidemiology. This article reviews the definition and types of effect modification, methods to detect effect modification, the reasons for observing effect modification in epidemiologic studies, the importance of choice of model in finding effect modifiers, and effect modifications that are important to public health.
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