"Objectives. This study compared trends in the incidence of work-related morbidity and disability across 3 sources of surveillance data in a Canadian province. Methods. Time series estimates of workplace injuries and work-related disability based on 2 panel surveys in the province of Ontario, Canada, for the period 1993–1998 were compared with rates of work-related injury and illness compensation claims during the same period. Results. Lost-time compensation claims declined by 28.8% over this 6-year period. The incidence of self-reported work-related injury declined by 28.2%, and the selfreported incidence of work absence for work-related causes declined by 32.2%. Conclusions. Parallel reductions in work-related morbidity were seen in 3 independent data sources. These results support an interpretation that there has been an important reduction in injury risk in Ontario workplaces over the past decade. "

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