Drug and Driving: A Compendium of Research Studies
17. Risser, D., Stichenwirth, M., Klupp, N., Schneider, B., Stimpfl, T., Vycudilik, W., and Bauer, G. (1998)
Journal of Forensic Sciences, 43(4): 817-820.
Study of drivers suspected of driving under the influence of drugs in Vienna, Austria
Population(s) and proportion tested (including type of study)
Stopped for reasons such as reckless driving, unsafe driving, driving at high speeds, etc.
Time period of 1993 to 1996
Drugs examined (threshold values for detection)
Method of testing and medium used
Data obtained from police files and toxicology reports
Other dependent variables
Findings (including statistical methods)
66% with cannabis, 44% morphine, 23% cocaine, 14% methadone
Cannabis positive cases rose from 47% in 1993 to 72% in 1996, whereas morphine positive cases decreased (58% to 37%)
More than one drug detected in 48% of cases
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