Given that the Test group had twice as many accidents not involving another road user (80) as multi party ones (43), (and pretty much as many single party ones as the control group (96)), I'd reach the conclusion that hi viz makes you unable to ride a bike properly.
Given that the Test group had twice as many accidents not involving another road user (80) as multi party ones (43), (and pretty much as many single party ones as the control group (96)), I'd reach the conclusion that hi viz makes you unable to ride a bike properly.