SWOV Catalogus


Drug use among Quebec drivers : the 1999 roadside survey.
C 17199 (In: C 17017 [electronic version only]) /83 / ITRD E107508
Dussault, C. Lemire, A.M. Bouchard, J. & Brault, M.
In: Alcohol, drugs and traffic safety T2000 : proceedings of the 15th ICADTS International Conference on Alcohol, Drugs and Traffic Safety, Stockholm, Sweden, May 22nd - 26th, 2000, pp.-

Samenvatting As part of a major undertaking to establish the role of drugs in highway collisions, the Societe de l'assurance automobile du Quebec (SAAQ) conducted a roadside survey from August 9 to August 29, 1999 in order to determine drug use among Quebec drivers. Regardless of time of day, a BAC above the legal limit (.08) was found in 0.8% of the breath samples. When using the same time period (9 PM to 3 AM, Wednesday to Sunday) as in previous alcohol roadside surveys, BAC>.08 was found in 1.8% (+/- 0.5%) of breath samples in 1999 (n = 2724) which compares to 3.2% in 1991, 3.6% in 1986 and 5.9% in 1981. According to the toxicological analysis of the 2281 urine samples, drugs were found in the following proportions: cannabis (5.22%), benzodiazepines (3.66%), cocaine (1.09%), opiates (1.08%), barbiturates (0.35%), amphetamines (0.07%), PCP (0.03%). However, large variations are observed depending on the time of day, sex and age.
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