Death rates correlate with education levels, urbanization rate, alcohol consumption, car size, driving laws, speed cameras, and road design.

https://www.youtube.com/watch?v=JBPkI3CCY8o

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[–] 12 points 1 year ago* (last edited 1 year ago) (4 children)

Like Tal said, a confounder for that would be distances driven. There are probably similar ones like rural/uban populations etc. It would be great to see a study allowing for these.
I couldn't find one but I didnt look very hard.

edit: coundn't

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