Prescription medications and motor vehicle crash risk
Objective 1: To identify medication users with elevated crash rates.
Research question 1.1
i) Which classes of medications are associated with an increased risk of crashing in new users?
ii) How does this risk vary with time from start of first prescription?
Research question 1.2:
Which classes of medications are used more often by drivers found responsible for causing a crash compared to non-responsible drivers?
Objective 2: To identify classes of medications which trigger motor vehicle crashes.
Research question 2:
i) Which classes of medications are used more commonly by crash involved drivers immediately before the crash compared to the same time 4 weeks or 8 weeks ago (control periods)?
ii) Which classes of medications are used more commonly by responsible (culpable) drivers immediately before the crash compared to during the control periods?