Article: Bicycle-related crashes in hong kong: Is it possible to reduce mortality and severe injury in the metropolitan area?

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Title	Bicycle-related crashes in hong kong: Is it possible to reduce mortality and severe injury in the metropolitan area?
Authors	Sze, NN2 Tsui, KL1 Wong, SC2 So, FL1
Keywords	Bicycling Injury scale Logit model Traffic accidents
Issue Date	2011
Publisher	Medcom Limited. The Journal's web site is located at http://www.hkcem.com/html/publications/
Citation	Hong Kong Journal Of Emergency Medicine, 2011, v. 18 n. 3, p. 136-143 [How to Cite?]
Abstract	Background: Cycling is not the primary mode of commuter transport in Hong Kong, yet cyclists are exposed to a high risk of injury and fatality in road crashes. It is essential to identify the significant factors contributing to severe injury among cyclists in Hong Kong. Aim: To evaluate the effects of significant factors, including demographics, temporal distribution, cyclist behavior, road conditions, and weather, on the risk of severe and life-threatening injury among cyclists in road crashes in Hong Kong. Method: The study was nested ona database known as Road Casualty Information System (RoCIS) which is a linked database between police traffic accident investigations reports and hospital injury records. A total of 682 victims were identified during the study period from 1 January 2004 to 31 December 2006. In particular, injured body part, demographics, helmet use, alcohol intoxication, weather conditions, road type and geometry, and collision characteristics of 682 trauma patients were the attributing variables of concern. The primary outcome measure was the injury severity of trauma patients which was classified into three levels: slight injury [Injury severity Scale (ISS) </=8], severe injury (ISS >/=9), and life-threatening injury (ISS >/=25). A multinomial logit regression model was established to evaluate the significance of factors contributing to severe and lifethreatening injuries among cyclists in road crashes. Results: The results indicated that middle-aged and elderly (35-54, RRR=2.48; and 55 or above, RRR=4.39) casualties and favourable weather conditions (2.56) significantly increased the risk of severe injury among cyclists. The presence of severe head injury(RRR=509.24), severe trunk injury (RRR=79.24), and the involvement of motor vehicles (RRR=27.18) substantially increased the risk of life-threatening injury to cyclists. Conclusions: Middle-aged casualties, the presence of head injuries, and the involvement of motor vehicles all increase the risk of more severe injury in bicycle-related crashes. Safety education and countermeasures should target at middle-aged and elderly cyclists and discourage cycling on the motorway.
Description	The article can be viewed at http://www.hkcem.com/html/publications/Journal/2011-3%20May/p136-143.pdf
ISSN	1024-9079 2011 Impact Factor: 0.103 2011 SCImago Journal Rankings: 0.028
References	References in Scopus

DC Field	Value
dc.contributor.author	Sze, NN
dc.contributor.author	Tsui, KL
dc.contributor.author	Wong, SC
dc.contributor.author	So, FL
dc.date.accessioned	2011-06-17T09:33:30Z
dc.date.available	2011-06-17T09:33:30Z
dc.date.issued	2011
dc.description.abstract	Background: Cycling is not the primary mode of commuter transport in Hong Kong, yet cyclists are exposed to a high risk of injury and fatality in road crashes. It is essential to identify the significant factors contributing to severe injury among cyclists in Hong Kong. Aim: To evaluate the effects of significant factors, including demographics, temporal distribution, cyclist behavior, road conditions, and weather, on the risk of severe and life-threatening injury among cyclists in road crashes in Hong Kong. Method: The study was nested ona database known as Road Casualty Information System (RoCIS) which is a linked database between police traffic accident investigations reports and hospital injury records. A total of 682 victims were identified during the study period from 1 January 2004 to 31 December 2006. In particular, injured body part, demographics, helmet use, alcohol intoxication, weather conditions, road type and geometry, and collision characteristics of 682 trauma patients were the attributing variables of concern. The primary outcome measure was the injury severity of trauma patients which was classified into three levels: slight injury [Injury severity Scale (ISS) </=8], severe injury (ISS >/=9), and life-threatening injury (ISS >/=25). A multinomial logit regression model was established to evaluate the significance of factors contributing to severe and lifethreatening injuries among cyclists in road crashes. Results: The results indicated that middle-aged and elderly (35-54, RRR=2.48; and 55 or above, RRR=4.39) casualties and favourable weather conditions (2.56) significantly increased the risk of severe injury among cyclists. The presence of severe head injury(RRR=509.24), severe trunk injury (RRR=79.24), and the involvement of motor vehicles (RRR=27.18) substantially increased the risk of life-threatening injury to cyclists. Conclusions: Middle-aged casualties, the presence of head injuries, and the involvement of motor vehicles all increase the risk of more severe injury in bicycle-related crashes. Safety education and countermeasures should target at middle-aged and elderly cyclists and discourage cycling on the motorway.
dc.description.nature	Link_to_subscribed_fulltext
dc.description	The article can be viewed at http://www.hkcem.com/html/publications/Journal/2011-3%20May/p136-143.pdf
dc.identifier.citation	Hong Kong Journal Of Emergency Medicine, 2011, v. 18 n. 3, p. 136-143 [How to Cite?]
dc.identifier.epage	143
dc.identifier.hkuros	185478
dc.identifier.issn	1024-9079 2011 Impact Factor: 0.103 2011 SCImago Journal Rankings: 0.028
dc.identifier.issue	3
dc.identifier.openurl
dc.identifier.scopus	eid_2-s2.0-79959833507
dc.identifier.spage	136
dc.identifier.uri	http://hdl.handle.net/10722/134605
dc.identifier.volume	18
dc.language	eng
dc.publisher	Medcom Limited. The Journal's web site is located at http://www.hkcem.com/html/publications/
dc.publisher.place	Hong Kong
dc.relation.ispartof	Hong Kong Journal of Emergency Medicine
dc.relation.references	References in Scopus
dc.subject	Bicycling
dc.subject	Injury scale
dc.subject	Logit model
dc.subject	Traffic accidents
dc.title	Bicycle-related crashes in hong kong: Is it possible to reduce mortality and severe injury in the metropolitan area?
dc.type	Article

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Author Affiliations

Tuen Mun Hospital
The University of Hong Kong

Article: Bicycle-related crashes in hong kong: Is it possible to reduce mortality and severe injury in the metropolitan area?

The HKU Scholars Hub has contact details for these author(s).