SWOV Catalogus


The prevalence of alcohol, cannabinoids, benzodiazepines and stimulants amongst injured drivers and their role in driver culpability. Part I: the prevalence of drug use in drivers, and characteristics of the drug-positive group.
I E105741 /83 / ITRD E105741
Longo, M.C. Hunter, C.E. Lokan, R.J. White, J.M. & White, M.A.
Accident Analysis & Prevention. 2000 /09. 32(5) Pp613-22 (37 Refs.)

Samenvatting Blood samples from 2500 injured drivers were analysed for alcohol, cannabinoids, benzodiazepines and stimulants. Overall, three-quarters of drivers tested negative for drugs. Alcohol was the most frequently detected drug. Cannabinoids were also detected at high rates, but the majority of drivers tested positive for THC-acid, the inactive metabolite of THC. Benzodiazepines and stimulants were detected at low rates, and detection rates for combinations of drugs were also low. Males were more likely to test positive for drugs, especially alcohol and THC, whereas females were more likely to test positive for benzodiazepines. A similar proportion of car drivers and motorcycle riders tested postiive for drugs, although riders were more likely to test positive for THC. Single-vehicle crashes were particularly associated with alcohol for both car driver and riders, and for riders, multiple-vehicle crashes were particularly associated with THC. (Author/publisher).
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