Methodological Assessment of Case–Crossover Studies

The case-crossover design was developed in the early 1990s to study the effects of transient, short-term exposures on the risk of acute events such as myocardial infarction. To estimate relative risk, the exposure frequency during a period just before outcome onset (hazard period) is compared with...

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Bibliographic Details
Main Authors: M Qorbani, M Yunesian
Format: Article
Published: Tehran University of Medical Sciences 2008-04-01
Series:مجله اپیدمیولوژی ایران
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