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	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

To The Editor: Dr Li and colleagues¹ studied 124 cases of serious injury, including 34 deaths, among bicycle riders whose blood alcohol content (BAC) was measured. Alcohol was detected in 16 cases and BACs for these cases ranged from 0.02 g/dL, the threshold of detection, to well over 0.20 g/dL. (This latter figure is inferred from the mean of 0.18 g/dL reported by the authors for those 16 cases with positive BAC results, although no data were reported about the actual distribution of BAC.)

The 10-fold range of BAC results, from 0.02 g/dL to 0.20 g/dL, is quite large and reflects alcohol consumption ranging from a single drink to extreme intoxication. It makes little sense to treat these subjects as though they all had the same level of risk. Nonetheless, Li et al did precisely that by calculating the odds ratio of bicycling injury for all BACs greater than 0.02 . . . [Full Text of this Article]

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Use of Alcohol as a Risk Factor for Bicycling Injury
Guohua Li, Susan P. Baker, John E. Smialek, and Carl A. Soderstrom
JAMA. 2001;285(7):893-896.
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