File talk:Relative risk of an accident based on blood alcohol levels (linear scale).jpg

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What does the y-axis mean?

It's explained in the original study[1] that the graph is based on--it's the number of times more likely someone with a certain blood alcohol level is to have a casualty crash. 0.05 is 1.8x more, 0.08 is 3.2x, 0.12 is 7x, and 0.21 is 30.4x. It would be good to clarify this on the graph. 115.166.44.54 (talk) 03:31, 21 November 2013 (UTC)[reply]
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