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Alcohol and Alcoholism Advance Access published online on January 17, 2005
Alcohol and Alcoholism, doi:10.1093/alcalc/agh135
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Alcohol & Alcoholism © Medical Council on Alcohol 2005; all rights reserved
Received May 27, 2004
Revised November 2, 2004
Accepted December 14, 2004

Article

PREDICTING DRUNK DRIVING: CONTRIBUTION OF ALCOHOL USE AND RELATED PROBLEMS, TRAFFIC BEHAVIOUR, PERSONALITY AND PLATELET MONOAMINE OXIDASE (MAO) ACTIVITY

DIVA EENSOO 1, MARIKA PAAVER 2, MAARIKE HARRO 1, and JAANUS HARRO 2*

1 Division of Health Promotion, Department of Public Health, University of Tartu, Ravila 19, 50411 Tartu, Estonia
2 Department of Psychology, University of Tartu, Centre of Behavioural and Health Sciences, Tiigi 78, 50410 Tartu, Estonia

* To whom correspondence should be addressed.
JAANUS HARRO, E-mail: jaanus.harro{at}ut.ee


  Abstract

Aims: The aim of the study was to characterize the predictive value of socio-economic data, alcohol consumption measures, smoking, platelet monoamine oxidase (MAO) activity, traffic behaviour habits and impulsivity measures for actual drunk driving. Methods: Data were collected from 203 male drunk driving offenders and 211 control subjects using self-reported questionnaires, and blood samples were obtained from the two groups. Results: We identified the combination of variables, which predicted correctly, ~80% of the subjects' belonging to the drunk driving and control groups. Significant independent discriminators in the final model were, among the health-behaviour measures, alcohol-related problems, frequency of using alcohol, the amount of alcohol consumed and smoking. Predictive traffic behaviour measures were seat belt use and paying for parking. Among the impulsivity measures, dysfunctional impulsivity was the best predictor; platelet MAO activity and age also had an independent predictive value. Conclusions: Our results support the notion that drunk driving is the result of a combination of various behavioural, biological and personality-related risk factors.


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