Quote:
Originally Posted by spd2918
You have a bit of a problem with that logic since you don't know what percentage of those states' riders rider without helmets.
I will exaggerate things for clarity. Let's say of those states with mandatory helmets laws 739 riders did not wear helmets. Since 739 died that means 100% of helmet-less riders died.
I would bet helmets use is very high is states with those laws, so your numbers will be skewed.
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Right! And we don't know what color helmets they were wearing and whether or not that had any contribution to their accident or accident prevention. If I was to go further into the CDC research, I could have also pasted the information on percentage of those were wearing full helmets, half helmets, etc. It was there but I just provided what seemed relevant.