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Cited by 53Traffic and Road SafetyRoad Transport and Highway SystemsInjury Epidemiology and Prevention

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Analysis of precipitation-related motor vehicle collision and injury risk using insurance and police record information for Winnipeg, Canada

Mills, Brian N., Andrey, Jean, Hambly, Derrick·2011·Journal of Safety Research
DOI 10.1016/j.jsr.2011.08.004
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Abstract

Introduction Police records are the most common source of data used to estimate motor-vehicle collision risks, understand causal or contributing factors, and evaluate the efficacy of interventions. The literature notes concerns about this information citing discrepancies between police reports and other sources of injury occurrence and severity data. The primary objective of the analysis was to assess the adequacy of police reports for an examination of weather-related injury collision risk. Method Analyses of relative risk were carried out using both police records and comprehensive insurance claim data for Winnipeg, Canada over the period 1999-2001. Results and conclusions Both data sets yielded very similar results-precipitation substantially increases the risk of injury collision (police records: RR 1.76, CI 1.55-2.00; insurance: RR 1.80, CI 1.62-1.99) and risk of injury (police records, RR 1.74, CI 1.55-1.96; insurance, RR 1.69, CI 1.55-1.85) relative to corresponding dry weather control periods. Both rainfall and snowfall were associated with large increases in collisions and injuries. Impact on industry While relative risks are almost identical, over 64% more injury collisions and 74% more injuries were identified using the insurance data, which is an important difference for evaluating absolute risk and exposure.

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Metadata

Authors
Mills, B. N., Andrey, J., & Hambly, D.
Affiliations
University of Waterloo (CA)
Corresponding author
Mills, Brian N.
ORCID
Mills, Brian N.
Venue
Journal of Safety Research
Publisher
Elsevier BV
Published
2011-10
Volume
42
Issue
5
Pages
383-390
ISSN
0022-4375 (ISSN-L)
DOI
10.1016/j.jsr.2011.08.004
OpenAlex
W2048163619
Cited by
53
References
0
Citations by year
2025: 2 · 2024: 2 · 2023: 2 · 2022: 3 · 2021: 6 · 2020: 6 · 2019: 4 · 2018: 8 · 2017: 1 · 2016: 5 · 2015: 8 · 2014: 1 · 2013: 1 · 2012: 3
FWCI
6.31
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Journal of Safety Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Health Canada
Topics
  • Physical Sciences › Engineering › Safety, Risk, Reliability and Quality › Traffic and Road Safety
  • Physical Sciences › Engineering › Civil and Structural Engineering › Road Transport and Highway Systems
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Injury Epidemiology and Prevention
Keywords
precipitation, traffic accidents, road traffic injuries, police records, insurance claims, data source comparability, rainfall, snowfall, relative risk, exposure assessment, Winnipeg
MeSH terms
Accidents, Traffic, Automobile Driving, Automobiles, Humans, Insurance, Accident, Manitoba, Rain, Risk, Snow, Visual Perception, Wounds and Injuries, Confidence Intervals, Police, Risk Assessment

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