Study examines perceptions of the risk of driving while under the influence of cannabis

James Eaton

In a recent research revealed in the Transportation Research Component F: Targeted traffic Psychology and Behaviour journal, scientists explored how persons perceive the dangers involved with driving whilst under the impact of hashish.

Perceiving driving less than the impact of hashish (DUIC) as hazardous or risky has been discovered to lessen the probability of partaking in the behavior. Cannabis use and potency have enhanced in the US and Canada, though perceived harm has diminished. Reports have demonstrated that in spite of a reduce in perceived possibility connected with cannabis use, there is nonetheless an increased threat of collisions and impaired driving conduct and effectiveness.

Study: Risk perceptions of driving under the influence of cannabis: Comparing medical and non-medical cannabis users. Image Credit: rbkomar / ShutterstockStudy: Threat perceptions of driving beneath the influence of hashish: Comparing clinical and non-health care hashish customers. Impression Credit rating: rbkomar / Shutterstock

About the examine

In the current examine, scientists assess the possibility perceptions of DUIC among folks who use cannabis solely for non-medical applications and individuals who use it for clinical reasons or each.

The details applied in this examine were obtained from the Centre for Habit and Mental Wellness (CAMH) Monitor 2017, a telephonic study of grown ups in Canada that is regionally stratified and cross-sectional in style and design. The CAMH Monitor is executed quarterly working with independent samples of around 750 completions every. The study focused on folks who experienced applied cannabis in the earlier year and offered responses about their perceptions of the hazard of DUIC.

The 2017 survey enquired about DUIC possibility perceptions in a single of its two panels. The survey applied a dual-body sampling style that included landline as properly as mobile phone sampling frames. The sample was stratified by area, with an equivalent distribution of respondents from each individual province location. The knowledge were being weighted to account for regional representation and variety chances, whilst the age-by-gender distribution was restored as a result of post-stratification adjustment employing the most recent census figures. The weighted sample is consultant of non-institutionalized grownups residing in Ontario.

The result measures were being based on a few DUIC possibility perceptions: (1) DUIC raises the chance of being in a motor car or truck collision (MVC) (2) DUIC is less dangerous than DUI of alcoholic beverages (DUIA) and (3) The chance of acquiring caught by regulation enforcement for drinking and driving is larger than for DUIC. The study utilized a 5-stage scale for respondents to fee their settlement amount with each individual assertion.

Two study goods ended up utilised to measure the aim of applying hashish, which served as the focal exposure variable. The study concern inquired about the frequency of hashish, hash, or marijuana utilization in just the last calendar year. The 2nd query was directed only to these who claimed utilizing cannabis in the earlier 12 months and questioned if they had applied hashish for clinical reasons these types of as running suffering, glaucoma, nausea, several sclerosis signs, or other clinical disorders. The sample was divided into two subgroups based mostly on the responses gained. A person subgroup consisted of folks who documented employing non-clinical cannabis solely, even though the other subgroup consisted of individuals who reported applying professional medical hashish along with or without additional non-medical hashish usage.


Around 62.3{a5ceed037b574a4d8c6b44a0a7290437cee40655417128da3b56d864fe64414f} of persons reported making use of cannabis only for non-clinical causes, while 37.7{a5ceed037b574a4d8c6b44a0a7290437cee40655417128da3b56d864fe64414f} described using it for health care uses or both equally professional medical and non-healthcare reasons. Virtually 15{a5ceed037b574a4d8c6b44a0a7290437cee40655417128da3b56d864fe64414f} of the participants did not imagine that DUIC improves the probability of currently being in an MVC. Over 50 percent of the individuals agreed that DUIC is safer than DUIA, and almost 75{a5ceed037b574a4d8c6b44a0a7290437cee40655417128da3b56d864fe64414f} agreed that the chance of currently being caught by regulation enforcement for DUIA was larger than for DUIC.

The analyze uncovered a sizeable correlation among the type of cannabis person and their settlement on the basic safety of DUIC compared to DUIA. The other two conclusions did not present any important association with the sort of hashish user. Hashish users who made use of it for medical or dual applications were being observed to be 45{a5ceed037b574a4d8c6b44a0a7290437cee40655417128da3b56d864fe64414f} much more likely as as opposed to non-health-related-only consumers, to imagine that DUIC was safer than DUIA. The examine also discovered that there was no considerable association amongst the type of cannabis use and the other two results.


The study findings showed that hashish people who applied it for clinical or twin needs did not vary from non-health-related buyers in their notion of the chance of collision or getting caught by police enforcement related to DUIC. Having said that, medical or twin-reason people had been additional most likely to believe that DUIC was safer than DUIA compared to non-clinical users.

The research suggests that training and awareness strategies should really concentrate on health care or dual-intent cannabis users to emphasize that DUIC will involve large-hazard behavior, similar to DUIA, which has contributed to reductions in its incidence. Research on the correlation between DUIC and similar possibility perceptions for diverse styles of hashish consumers could aid highway security initiatives. The affect of cultural or regional variants on threat perceptions and its effect on DUIC, alongside with its impact on public overall health messaging, ought to also be taken into account.

Journal reference:

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