Drug and Alcohol Crash Risk A Case Control Study NHTSA
· Alcohol Alcohol was the largest contributor to crash risk The unadjusted crash risk estimates for alcohol indicated drivers with a breath alcohol concentrations BrACs of 05 grams per 210 liters g/210L are times more likely to crash than drivers with no alcohol For drivers with BrACs of 08 g/210L the unadjusted relative risk of crashing is times that of drivers