Q1) A study was conducted in young adults to look at association between taking driver's education class and risk of being in the automobile accident. 450 participants were included in study, 150 cases who had been in the accident and 300 controls who had not. Of the 150 cases, 70 reported having taken a driver's education class. Of the 300 controls, 170 reported having taken driver's education course.
Compute and interpret suitable measure of association between driver's education and accidents
Question arise as to whether gender might be the effect modifier of this association. When gender was assessed, data looked like the following:
|
|
Women
|
|
Men
|
|
|
|
Accident
|
No Accident
|
Accident
|
No Accident
|
|
Drivers Ed
|
10
|
50
|
60
|
120
|
|
No Drivers Ed
|
40
|
50
|
40
|
80
|
Carry out the suitable calculations to test for effect modification. Interpret your results.