Geographic variation in work injuries: a multilevel analysis of individual-level data and area-level factors within Canada |
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| Authors: | Sara Morassaei F. Curtis Breslin Selahadin A. Ibrahim Peter M. Smith Cameron A. Mustard Benjamin C. Amick Ketan Shankardass Jeremy Petch |
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| Affiliation: | 1. Institute for Work & Health, Toronto, Ontario, Canada;2. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada;3. School of English and Liberal Studies, Seneca College of Applied Arts and Technology, Toronto, Ontario, Canada;4. School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia;5. School of Public Health, University of Texas Health Science Center at Houston, Houston, Texas;6. Centre for Research on Inner City Health, St. Michael''s Hospital, Toronto, Ontario, Canada;7. Department of Psychology, Wilfrid Laurier University, Waterloo, Ontario, Canada;8. Keenan Research Centre, Li Ka Shing Knowledge Institute, St. Michael''s Hospital, Toronto, Ontario, Canada |
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| Abstract: | PurposeThis study sought to examine provincial variation in work injuries and to assess whether contextual factors are associated with geographic variation in work injuries.MethodsIndividual-level data from the 2003 and 2005 Canadian Community Health Survey was obtained for a representative sample of 89,541 Canadians aged 15 to 75 years old who reported working in the past 12 months. A multilevel regression model was conducted to identify geographic variation and contextual factors associated with the likelihood of reporting a medically attended work injury, while adjusting for demographic and work variables.ResultsProvincial differences in work injuries were observed, even after controlling for other risk factors. Workers in western provinces such as Saskatchewan (adjusted odds ratio [AOR], 1.30; 95% confidence interval [CI], 1.09–1.55), Alberta (AOR, 1.31; 95% CI, 1.13–1.51), and British Columbia (AOR, 1.46; 95% CI, 1.26–1.71) had a higher risk of work injuries compared with Ontario workers. Indicators of area-level material and social deprivation were not associated with work injury risk.ConclusionsProvincial differences in work injuries suggest that broader factors acting as determinants of work injuries are operating across workplaces at a provincial level. Future research needs to identify the provincial determinants and whether similar large area–level factors are driving work injuries in other countries. |
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