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Résumé (anglais)

Objectives. To examine associations between obesity and occupational injury. Methods. Participants consisted of a representative sample of 7,678 adult Canadian workers. Participants were placed into normal weight, overweight, and obese categories based on their body mass index. Different injury types, location, and external causes were measured. Logistic regression was used to estimate relationships. Results. By comparison to normal weight workers, obese workers were more likely to report any occupational injuries (odds ratio (OR) 1.40, 95% confidence interval (CI): 0.98-1.99) and serious occupational injuries (1.49, 0.99-2.26). These relationships were more pronounced for sprains and strains (1.80, 1.04-3.11), injuries to the lower limbs (2.14, 1.12-4.11) or torso (2.36, 1.13-4.93), and injuries due to falls (2.10, 0.86-5.10) or overexertion (2.08, 0.96-4.50). Female workers, workers =>40 years, and workers employed in sedentary occupations were particularly vulnerable. Increased risks were not identified for overweight workers. Conclusions. Obese workers experienced 40-49% higher risks for occupational injury.