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Examining job tenure and lost-time claim rates in Ontario, Canada, over a 10-year period, 1999–2008
  1. Sara Morassaei1,
  2. F Curtis Breslin1,2,3,
  3. Min Shen1,2,4,
  4. Peter M Smith1,2,5
  1. 1Institute for Work and Health, Toronto, Ontario, Canada
  2. 2Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
  3. 3School of English and Liberal Studies, Seneca College of Applied Arts and Technology, Toronto, Canada
  4. 4Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
  5. 5School of Public Health and Preventive Medicine, Monash University, Victoria, Australia
  1. Correspondence to Sara Morassaei, Institute for Work and Health, 481 University Ave, Suite 800, Toronto, ON M5G 2E9, Canada; smorassaei{at}


Objective We sought to examine the association between job tenure and lost-time claim rates over a 10-year period in Ontario, Canada.

Methods Data were obtained from workers’ compensation records and labour force survey data from 1999 to 2008. Claim rates were calculated for gender, age, industry, occupation, year and job tenure group. A multivariate analysis and examination of effect modification were performed. Differences in injury event and source of injury were also examined by job tenure.

Results Lost-time claim rates were significantly higher for workers with shorter job tenure, regardless of other factors. Claim rates for new workers differed by gender, age and industry, but remained relatively constant at an elevated rate over the observed time period.

Conclusions This study is the first to examine lost-time claim rates by job tenure over a time period during which overall claim rates generally declined. Claim rates did not show a convergence by job tenure. Findings highlight that new workers are still at elevated risk, and suggest the need for improved training, reducing exposures among new workers, promoting permanent employment, and monitoring work injury trends and risk factors.

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