Helmet

Helmet legislation and admissions to hospital for cycling relat...

http://www.bmj.com/content/346/bmj.f2674

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Helmet legislation and admissions to hospital for cycling related head injuries in Canadian provinces and territories: interrupted time series analysis
BMJ 2013; 346 doi: http://dx.doi.org/10.1136/bmj.f2674 (Published 14 May 2013) Cite this as: BMJ 2013;346:f2674

Jessica Dennis, PhD candidate1, Tim Ramsay, assistant professor2, Alexis F Turgeon, assistant professor3, Ryan Zarychanski, assistant professor4 Author Affiliations 1Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, 155 College Street, Toronto, ON, M5T 3M7, Canada 2Ottawa Hospital Research Institute, Ottawa, ON, Canada

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10/06/13 11:29

Helmet legislation and admissions to hospital for cycling relat...

http://www.bmj.com/content/346/bmj.f2674

3Division of Critical Care Medicine, Department of Anesthesiology, Population Health—Practice-changing Research Unit (Trauma-Emergency-Critical Care Medicine), Université Laval, QC, Canada 4Departments of Internal Medicine and of Community Health Sciences, University of Manitoba, Winnipeg, MB, Canada Correspondence to: J Dennis [e-mail] Accepted 15 April 2013

Abstract
Objective To investigate the association between helmet legislation and admissions to hospital for cycling related head injuries among young people and adults in Canada. Design Interrupted time series analysis using data from the National Trauma Registry Minimum Data Set. Setting Canadian provinces and territories; between 1994 and 2003, six of 10 provinces implemented helmet legislation. Participants All admissions (n=66 716) to acute care hospitals in Canada owing to cycling related injury between 1994 and 2008. Main outcome