When the excess relative risk associated with having both factors together is larger than the sum of the excess relative risk associated with each factor alone, it can be concluded that there is effect measure modification known as which of the following?
A) Statistical interaction
B) Homogeneity of effect
C) Departure from additivity
D) Departure from multiplicity

Question

Quizplus · Accepted Answer

Departure from additivity occurs when the combined effect of two factors is greater than the sum of their individual effects, indicating effect measure modification.

When the Excess Relative Risk Associated with Having Both Factors