Which type of study was developed for situations "when brief exposure causes a transient change in risk of a rare-acute onset disease"?
A) Ecological studies
B) Case-control studies
C) Cross-sectional studies
D) Case-crossover studies

Question

Quizplus · Accepted Answer

Case-crossover studies are designed for situations where a brief exposure leads to a transient change in the risk of a rare, acute-onset disease. This design compares exposure status during a "hazard period" just before the onset of the disease with exposure status during control periods.

Which Type of Study Was Developed for Situations "When Brief