Cannabis use and work-related injuries: a cross-sectional analysis.

Occup Med (Lond). 2020 Oct 27;:

Authors: Zhang JC, Carnide N, Holness L, Cram P

BACKGROUND: Although the association of cannabis use with automobile accidents has been well-studied, the impact of cannabis on workplace safety and injuries is less clear.
AIMS: The purpose of this study was to examine the relationship between work-related injury and cannabis use in the past year.
METHODS: We performed a cross-sectional analysis of the Canadian Community Health Survey (2013-16) of working individuals. We used multiple logistic regression modelling to calculate the odds of experiencing a work-related injury (defined as non-repetitive strain injury) among workers who reported using cannabis more than once during the prior 12 months as compared to non-users. We repeated the analysis among participants working in high injury risk occupational groups only.
RESULTS: Among the 136 536 working participants, 2577 (2%) had a work-related injury in the last 12 months. Of these 2577 who had a work-related injury, 4% also reported being a cannabis user in the same period. We found no association between past-year cannabis use and work-related injury (odds ratio for work injury among users 0.81, 95% confidence interval 0.66-0.99). The association was unchanged in the subgroup analysis limited to high injury risk occupational groups.
CONCLUSIONS: We found no evidence that cannabis users experienced higher rates of work-related injuries. While awaiting prospective studies, occupational medicine practitioners should take a risk-based approach to drafting workplace cannabis policies.

PMID: 33108459 [PubMed – as supplied by publisher]

Source: ncbi 2

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