In a retrospective cohort study, the crude relative risk was 0.64. After stratifying by three levels of a third factor,
Posted: Sat Jul 02, 2022 9:56 pm
In a retrospective cohort study, the crude relative risk was0.64. After stratifying by three levels of a third factor,the stratum-specific relative risks were 0.46, 0.53, and1.13. The third factor is probably a(n):
Nuisance variable
Intermediary
Effect modifier
Confounder
Nuisance variable
Intermediary
Effect modifier
Confounder