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| Khosro Sadeghniiat-Haghighi,Zohreh Yazdi,Mohsen Moradinia,Omid Aminian,Alireza Esmaili.[J].Chin J Traumatol,2015,18(1):13-17. [doi] |
| Traffic crash accidents in Tehran, Iran: Its relation with circadian rhythm of sleepiness |
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| DOI： |
| KeyWord: Accidents, traffic Automobiles Circadian rhythm Iran |
| FundProject: |
| Author Name | Affiliation | | Khosro Sadeghniiat-Haghighi | Occupational Sleep Research Center, Tehran University of Medical Sciences, Tehran, Iran | | Zohreh Yazdi | Metabolic Disease Research Center, Qazvin University of Medical Sciences, Qazvin, Iran | | Mohsen Moradinia | Occupational Sleep Research Center, Tehran University of Medical Sciences, Tehran, Iran | | Omid Aminian | Occupational Sleep Research Center, Tehran University of Medical Sciences, Tehran, Iran | | Alireza Esmaili | Traffic Police University, Tehran, Iran |
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| Abstract: |
| Purpose: Road traffic accidents are one of main problems in Iran. Multiple factors cause traffic accidents and the most important one is sleepiness. This factor, however, is given less attention in our country. Road traffic accidents relevant to sleepiness are studied.
Methods: In this cross-sectional study, all road traffic accidents relevant to sleepiness, which were reported
by police, were studied in Tehran province in 2009.
Results: The risk of road traffic accidents due to sleepiness was increased by more than sevenfold (odds ratio=7.33) in low alertness hours (0:00-6:00) compared to other time of day. The risk of road traffic accidents due to sleepiness was decreased by 0.15-fold (odds ratio=0.15) in hours with maximum of alertness (18:00-22:00) of circadian rhythm compared to other time of day.
Conclusion: The occurrence of road traffic accidents due to sleepiness has significant statistical relations with driving during lowest point of alertness of circadian rhythm. |
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