The influence of the frequency of cannabis use and of the five impulsivity traits on risky driving behaviors among young drivers |
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| Affiliation: | 1. Université de Montréal, Département de Psychologie, Pavillon Marie-Victorin, C.P 6128 Succ. Centre-Ville, Montréal (Québec) H3C 3J7, Canada;2. Centre de recherche interdisciplinaire en réadaptation du Montréal métropolitain (CRIR), Montréal, Canada;3. Laboratoire d’électrophysiologie en neuroscience sociale (LENS), Université de Montréal, Canada;1. Civil and Environmental Engineering, University of Tennessee, Knoxville, TN, United States;2. Norwegian University of Science and Technology, Department of Psychology, Norway;1. School of Civil and Construction Engineering, Oregon State University, United States;2. Department of Civil and Environmental Engineering, University of Wisconsin Madison, United States;3. College of Transportation Engineering, Tongji University, China;1. Department of Psychology, University of Alabama at Birmingham, United States;2. Department of Radiology, University of Alabama at Birmingham, United States;3. Department of Psychology & the Center for Innovative Research in Autism, University of Alabama, United States |
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| Abstract: | Concerns about road safety are at the forefront of discussions given the recent legalization of cannabis in many areas. Some studies have demonstrated that the frequency of cannabis use is a significant predictor of risky driving among young drivers. However, it is difficult to isolate the specific contribution of substance use from the influence of certain individual personality traits such impulsivity. Indeed, impulsivity traits (i.e., positive urgency, negative urgency, lack of premeditation, lack of perseverance, sensation seeking) are also correlated with risky driving. The present study examined the effect of the frequency of cannabis use on risky driving while taking into account the effect of five impulsivity traits. A community sample of 209 young drivers (aged 17–25 years) completed self-report questionnaires about their road behaviors, their cannabis use, and their impulsivity traits. The results showed that the frequency of cannabis use was significantly associated with risky driving beyond the five impulsivity traits measured. Positive urgency was the only impulsivity trait that remained significantly associated with risky driving once all covariates were entered into the model. Moreover, the frequency of cannabis use acted as a mediator in the relationship between sensation seeking and risky driving. |
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| Keywords: | Young drivers Cannabis use Impulsivity Urgency Risky driving Hierarchical model |
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