Effect Modifier, Epidemiologic

**Definition:** Factors that modify the effect of the putative causal factor(s) under study.

**Tree numbers:** - N05.715.350.350 - N06.850.490.734

**Synonyms:** - Conditional Variables - Effect Modifiers, Epidemiologic - Epidemiologic Effect Modifier - Epidemiologic Effect Modifiers - Moderator Variables - Modifiers, Epidemiologic Effect