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Public bicycle share programs and head injuries.

Janessa M Graves1, Barry Pless, Lynne Moore

  • 1At the time of this study, Janessa M. Graves was with Harborview Injury Prevention and Research Center, Department of Pediatrics, University of Washington School of Medicine, Seattle, and the College of Nursing at Washington State University, Spokane. Barry Pless is with Epidemiology and Biostatistics, McGill University, and the Injury Prevention Program at the Montreal Children's Hospital, Montreal, QC. Lynne Moore is with the Centre de Recherche du Centre Hospitalier Affilié Universitaire de Québec-Hôpital de l'Enfant-Jésus, Traumatologie-Urgence-Soins Intensifs, Axe Sante des Populations-Pratiques Optimales en Sante, Québec. Avery B. Nathens is with Sunnybrook Health Sciences Centre, the University of Toronto, and Systems of Trauma Care, Toronto, ON. Garth Hunte is with the Department of Emergency Medicine, University of British Columbia, Vancouver. Frederick P. Rivara is with Seattle Children's Hospital and Department of Pediatrics, University of Washington, and Harborview Injury and Research Center, Seattle.

American Journal of Public Health
|June 13, 2014
PubMed
Summary
This summary is machine-generated.

Public bicycle share programs (PBSPs) in North America are linked to a rise in head injuries due to a lack of helmet availability. Integrating helmet access into PBSP planning is crucial for rider safety.

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Area of Science:

  • Public Health
  • Trauma Prevention
  • Transportation Safety

Background:

  • North American public bicycle share programs (PBSPs) commonly do not provide helmets with rentals.
  • This lack of helmet availability raises concerns about potential increases in bicycle-related head injuries.

Purpose of the Study:

  • To evaluate the impact of North American public bicycle share programs (PBSPs) on the incidence of bicycle-related head injuries.
  • To determine if helmet availability is a significant factor in head injury occurrence within PBSP user populations.

Main Methods:

  • Analysis of trauma center data from five cities with PBSPs and five comparable control cities.
  • Logistic regression models were used to compare head injury rates before and after PBSP implementation, controlling for age and city.

Main Results:

  • In cities with PBSPs, the proportion of head injuries among all bicycle-related injuries increased significantly from 42.3% to 50.1% post-implementation (P < .01).
  • Control cities showed no significant change in head injury proportion (38.2% pre vs. 35.9% post; P = .23).
  • The odds of head injury were 30% higher in PBSP cities after implementation compared to before (OR = 1.30; 95% CI = 1.13, 1.67).

Conclusions:

  • The findings suggest a direct correlation between the implementation of PBSPs without helmet access and an increased risk of head injuries.
  • Helmet availability should be a fundamental component of PBSP planning, funding, and operational strategies, not an afterthought.