Date of Award


Degree Type


Degree Name

Master of Science


Epidemiology and Biostatistics


Dr. Samantha Wells


Alcohol-impaired driving is a major public health problem and has been linked to risky drinking behaviours. Pre-drinking, the consumption of alcohol In a private setting before attending a main event may be associated with alcohol- impaired driving. The objectives of this study were to: 1) conduct a preliminary assessment of the nature and extent of pre-drinking among male post-secondary student drinkers and 2) identify factors associated with alcohol-impaired driving, focusing, in particular, on the role of frequent pre-drinking.

Data from a cross-sectional survey of males attending the University of Western Ontario and Fanshawe Community College were analyzed. Statistical techniques included chi-square tests, t-tests, and multiple logistic regression.

Approximately 89% of student drinkers reported pre-drinking in the past 12 months, with an average of 5.6 standard drinks consumed in a pre-drinking session. Frequent pre-drinking was found to be significantly associated with alcohol-impaired driving (OR 5.94 95% C.l. 2.98 - 11.82), adjusting for , covariates.



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