•Three quarters of motorcycle riders had their headlight turned on during the day, and this was associated with a 27% lower risk.
•No association occurred between risk and the frontal colour of drivers' clothing or motorcycle.
•If these odds ratios are unconfounded, the population attributable risks are 33% for wearing no reflective or fluorescent clothing, 18% for a non-white helmet, 11% for a dark coloured helmet, and 7% for no daytime headlight operation.
•Three quarters of motorcycle riders had their headlight turned on during the day, and this was associated with a 27% lower risk.
•No association occurred between risk and the frontal colour of drivers' clothing or motorcycle.
•If these odds ratios are unconfounded, the population attributable risks are 33% for wearing no reflective or fluorescent clothing, 18% for a non-white helmet, 11% for a dark coloured helmet, and 7% for no daytime headlight operation.
Честно стырил отсюда