Overview

Abstract (English)

Objective – The objective of this study was to compare the incidence of work-related injury and illness presenting to Ontario emergency departments to the incidence of worker’s compensation claims reported to the Ontario Workplace Safety & Insurance Board over the period 2004-2008. Methods – Records of work-related injury were obtained from two administrative data sources in Ontario for the period 2004-2008: workers’ compensation lost-time claims (N=435,336) and records of non-scheduled emergency department visits where the main problem was attributed to a work-related exposure (N=707 963). Denominator information required to compute the risk of work injury per 2,000,000 work hours, stratified by age and gender was estimated from labour force surveys conducted by Statistics Canada. Results – The frequency of emergency department visits for all work-related conditions was approximately 60% greater than the incidence of accepted lost-time compensation claims. When restricted to injuries resulting in fracture or concussion, gender-specific age differences in injury incidence were similar in the two data sources. Between 2004 and 2008, there was a 14.5% reduction in emergency department visits attributed to work-related causes and a 17.8% reduction in lost-time compensation claims. There was evidence that younger workers were more likely than older workers to seek treatment in an emergency department for work-related injury. Conclusions – In this setting, emergency department records available for the complete population of Ontario residents are a valid source of surveillance information on the incidence of work-related disorders. Occupational health and safety authorities should give priority to incorporating emergency department records in the routine surveillance of the health of workers.

Abstract (French)

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