Abstract
The purpose of the study was to map alcohol problems in relation to blood alcohol concentration in a large representative sample of male and female Swedish drivers suspected of drunk driving. Twenty-one hundred suspected DUI offenders (drivers suspected of driving under the influence of alcohol) were assessed with the Alcohol Use Disorders Identification Test (AUDIT). Information from the police regarding BAC, age, gender, and place and time of the stop was also collected. More than half (58%) of the suspected DUI offenders had alcohol problems, and among these 24% had high levels of alcohol problems. Of specific interest was the observation that almost half (46%) of the suspects with a BAC below the Swedish legal limit of 0.02% had alcohol problems, a prevalence that did not increase until a BAC of 0.10%–0.15%. It can be concluded that the mere suspicion of drunk driving indicates alcohol problems.
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