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Objectives. We describe trends in occupational and nonoccupational injury among working-age adults in Ontario. Methods. We conducted an observational study of adults aged 15 to 64 over the period 2004 through 2011, estimating the incidence of occupational and nonoccupational injury from emergency department (ED) records and, separately, from survey responses to 5 waves of a national health interview survey. Results. Over the observation period, the annual percentage change (APC) in the incidence of work-related injury was –5.9% (95% confidence interval [CI] = –7.3, –4.6) in ED records and –7.4% (95% CI = –11.1, –3.5) among survey participants. In contrast, the APC in the incidence of nonoccupational injury was –0.3% (95% CI = –0.4, 0.0) in ED records and 1.0% (95% CI = 0.4, 1.6) among survey participants. Among working-age adults, the percentage of all injuries attributed to work exposures declined from 20.0% in 2004 to 15.2% in 2011 in ED records and from 27.7% in 2001 to 16.9% in 2010 among survey participants. Conclusions. Among working-age adults in Ontario, nearly all of the observed decline in injury incidence over the period 2004 through 2011 is attributed to reductions in occupational injury. [ABSTRACT FROM AUTHOR]

Objectives. We assessed predictors of work-related repetitive strain injuries using data from 4 waves of the Canadian National Population Health Survey. Methods. Participants were 2806 working adults who completed an abbreviated version of the Job Content Questionnaire in 1994-1995 and did not experience repetitive strain injuries prior to 2000--2001. Potential previous wave predictors of work related repetitive strain injuries were modeled via multivariate logistic regression. Results. Female gender (odds ratio [OR] = 1.98; 95% confidence interval [CI] = 1.24, 3.18), some college or university education (OR = 1.98; 950% CI = 1.06, 3.70), job insecurity (OR = 1.76: 95% CI = 1.07. 2.91), high physical exertion levels (OR =2.00; 95% CI = 1.29, 3.12), and high levels of psychological demands (OR = 1.61; 96% CI= 1.02, 2.52) were all positively associated with work-related repetitive strain injuries, whereas working less than 30 hours per week exhibited a negative association with such injuries (OR = 0.2: 95% CI = 0.1, 0.7). Conclusions. Modifiable job characteristics are important predictors of work-related repetitive strain injuries. [ABSTRACT FROM AUTHOR]