A study was conducted in the young adults to look at the relationship between taking a driver’s education class and the risk of being in an automobile accident. 450 participants were comprised in the study, 150 cases that had been in an accident and 300 controls that had not. Of the 150 cases, 70 reported having taken a driver's education class. Of the 300 controls, 170 reported having taken a driver’s education course.
Compute and interpret the suitable measure of association between driver's education and accidents.
The question arose as to whether gender might be an effect modifier of this association. Whenever gender was assessed the data looked like the given:
Perform the suitable computations to test for effect modification. Interpret your outcomes.