Document Detail

Switching to Daylight Saving Time and work injuries in Ontario, Canada: 1993-2007.
MedLine Citation:
PMID:  20884792     Owner:  NLM     Status:  In-Process    
OBJECTIVE: To examine whether switching to and from Daylight Saving Time (DST)-1 h shift forward in the spring and 1 h shift back in the autumn-is associated with an increase in work injuries.
METHOD: Data on work-related injuries were obtained from compensation claim records from the Ontario Workplace Safety & Insurance Board for the period 1993-2007. A Poisson regression model was run separately comparing the number of no lost time claims and lost time claims during the week of DST change with the week following DST change, and the week preceding DST change. We also examined if differences in the relationship between DST and work injury claims were present across industry, age, gender and job tenure groups.
RESULTS: The results of our regression model did not show an increase in the incidence of work injury claims in the days immediately following the spring shift to DST. There was a significant decrease in the number of claims on Thursday, Friday and Saturday following the spring transition to DST. However, this decline was solely due to the years when Good Friday occurred during DST week (1993, 1998 and 2004) when fewer people are at work. For the autumn transition from DST, no evidence was found that the gain of 1 h sleep results in a decrease or increase in work injury claims.
CONCLUSION: Our findings show that the shift to and from DST had no detrimental effects on the incidence of claims for work injuries in Ontario, Canada.
Sara Morassaei; Peter M Smith
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-09-30
Journal Detail:
Title:  Occupational and environmental medicine     Volume:  67     ISSN:  1470-7926     ISO Abbreviation:  Occup Environ Med     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9422759     Medline TA:  Occup Environ Med     Country:  England    
Other Details:
Languages:  eng     Pagination:  878-80     Citation Subset:  IM    
Institute for Work & Health, Toronto, Canada;
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Grant Support
//Canadian Institutes of Health Research

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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