Aggravating and mitigating factors associated with cyclist injury severity in Denmark

Kaplan, Sigal, Vavatsoulas, Konstantinos and Prato, Carlo Giacomo (2014) Aggravating and mitigating factors associated with cyclist injury severity in Denmark. Journal of Safety Research, 50 75-82. doi:10.1016/j.jsr.2014.03.012

Author Kaplan, Sigal
Vavatsoulas, Konstantinos
Prato, Carlo Giacomo
Title Aggravating and mitigating factors associated with cyclist injury severity in Denmark
Journal name Journal of Safety Research   Check publisher's open access policy
ISSN 0022-4375
Publication date 2014-09-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.jsr.2014.03.012
Open Access Status Not Open Access
Volume 50
Start page 75
End page 82
Total pages 8
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon Press
Language eng
Formatted abstract
Introduction: Denmark is one of the leading cycling nations, where cycling trips constitute a large share of the total trips, and cycling safety assumes a top priority position in the agenda of policy makers. The current study sheds light on the aggravating and mitigating factors associated with cyclist injury severity on Danish roads by examining a comprehensive set of accidents involving a cyclist and a collision partner between 2007 and 2011.

Method: This study estimates a generalized ordered logit model of the severity of cyclist injuries because of its ability to accommodate the ordered-response nature of severity while relaxing the proportional odds assumption.

Results: Model estimates show that cyclist fragility (children under 10 years old and elderly cyclists over 60 years of age) and cyclist intoxication are aggravating individual factors, while helmet use is a mitigating factor. Speed limits above 70-80 km/h, slippery road surface, and location of the crash on road sections are aggravating infrastructure factors, while the availability of cycling paths and dense urban development are mitigating factors. Heavy vehicle involvement and conflicts between cyclists going straight or turning left and other vehicles going straight are aggravating vehicle involvement factors.

Practical applications:
The results are discussed in the context of applied policies, engineering, and traffic management solutions for bicycle safety in Denmark.
Keyword Cycling accidents
Cyclist behavior
Cyclist injury severity
Generalized ordered logit
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Social Science Publications
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Citation counts: TR Web of Science Citation Count  Cited 23 times in Thomson Reuters Web of Science Article | Citations
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