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Does Temperature Modify the Effects of Rain and Snow Precipitation on Road Traffic Injuries?

Title
Does Temperature Modify the Effects of Rain and Snow Precipitation on Road Traffic Injuries?
Authors
Lee, Won-KyungLee, Hye-AhHwang, Seung-sikKim, HoLim, Youn-HeeHong, Yun-ChulHa, Eun-HeePark, Hyesook
Ewha Authors
하은희박혜숙이혜아
SCOPUS Author ID
하은희scopus; 박혜숙scopus; 이혜아scopus
Issue Date
2015
Journal Title
JOURNAL OF EPIDEMIOLOGY
ISSN
0917-5040JCR Link1349-9092JCR Link
Citation
vol. 25, no. 8, pp. 544 - 552
Keywords
injuriesprecipitationsnowtraffic accidentsweather
Publisher
JAPAN EPIDEMIOLOGICAL ASSOC
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Background: There are few data on the interaction between temperature and snow and rain precipitation, although they could interact in their effects on road traffic injuries. Methods: The integrated database of the Korea Road Traffic Authority was used to calculate the daily frequency of road traffic injuries in Seoul. Weather data included rain and snow precipitation, temperature, pressure, and fog from May 2007 to December 2011. Precipitation of rain and snow were divided into nine and six temperature range categories, respectively. The interactive effects of temperature and rain and snow precipitation on road traffic injuries were analyzed using a generalized additive model with a Poisson distribution. Results: The risk of road traffic injuries during snow increased when the temperature was below freezing. Road traffic injuries increased by 6.6% when it was snowing and above 0 degrees C, whereas they increased by 15% when it was snowing and at or below 0 degrees C. In terms of heavy rain precipitation, moderate temperatures were related to an increased prevalence of injuries. When the temperature was 0-20 degrees C, we found a 12% increase in road traffic injuries, whereas it increased by 8.5% and 6.8% when it was <0 degrees C and >20 degrees C, respectively. The interactive effect was consistent across the traffic accident subtypes. Conclusions: The effect of adverse weather conditions on road traffic injuries differed depending on the temperature. More road traffic injuries were related to rain precipitation when the temperature was moderate and to snow when it was below freezing.
DOI
10.2188/jea.JE20140244
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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