Drug and Driving: A Compendium of Research Studies

Annotated Sources (cont'd)

Austria

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.

Overview

Study of drivers suspected of driving under the influence of drugs in Vienna, Austria

Population(s) and proportion tested (including type of study)

N=205
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

Urine samples

Data obtained from police files and toxicology reports

Other dependent variables

None

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