In 2008-09, the Norwegian Institute of Public Health and the Norwegian Institute for Drug and Alcohol Research (SIRUS) conducted a pilot study on the use of alcohol and psychoactive drugs in the workplace.
About 6% of the participants had been absent from work once or more in the previous year because of alcohol use, and approximately 24 % had been inefficient or experienced hangover at work due to alcohol. The study also revealed the use of psychoactive medicines among 5% of the participants, and use of illegal drugs among 1.7%.
A total of 526 people participated in the study, which included four companies and a number of professional drivers. Participation was voluntary and anonymous. Participants filled in a short questionnaire, and gave a saliva sample to test for recent use of alcohol, illegal drugs or psychoactive medicines, which may cause drowsiness.
Hangover is the most common substance abuse problem
Alcohol was not found in any of the saliva samples, but a large proportion reported alcohol intake the day before. Very few of these reported a high alcohol intake. Approximately 6 % reported that they had been absent from work due to alcohol use once or more during the past 12 months and approximately 24% reported inefficiency or hangover at work due to alcohol during the same period.
Overall, the use of psychoactive medicines was found among 5.1% of the participants, and the majority of the users admitted it through the questionnaires. In all cases where only medicines were found, salivary concentrations complied with normal therapeutic usage. A combination of illegal drugs and medicines was discovered in two cases.
Under-reporting the use of illegal drugs
With regards to the use of illegal drugs, under-reporting was large. Illegal drugs use was revealed by the questionnaire or analysis of saliva from 1.7% of the participants, while only 0.4% admitted use in the questionnaire. One cannot draw conclusions about drug impairment based on salivary sample analysis, but one can say whether the impairment is probable. It is likely that 3-5 people were under the influence of illegal drugs when the sample was taken, i.e. while they were at work. This amounts to between 0.5 and 1% of the participants.
Results from the survey are published in Rus & Samfunn (Norwegian only) and in the Journal of Occupational Health and Toxicology:
Bruk av rusmidler i arbeidslivet - Resultater fra en pilotstudie (Rus & Samfunn) (Use of drugs in the workplace - Results from a pilot study). Available online at: HERE
Use of alcohol and drugs by Norwegian employees: a pilot study using questionnaires and analysis of oral fluid (Journal of Occupational Health and Toxicology). Available online at: HERE
This pilot study will be followed up by a larger study, which is under plan.
note the archives don't seem to like me at the moment- if someone could upload these (at least the english one) to the archives it would be much appreciated.
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