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Volume 19
Issue 24
10.3390/ijerph192417097
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Article

The Impact of Aging Drivers and Vehicles on the Injury Severity of Crash Victims

by
Miguel Santolino
1,
Luis Céspedes
2 and
Mercedes Ayuso
1,*
1
Department of Econometrics-Riskcenter-IREA, University of Barcelona, 08034 Barcelona, Spain
2
Zurich Insurance and Riskcenter-IREA, 08034 Barcelona, Spain
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2022, 19(24), 17097; https://doi.org/10.3390/ijerph192417097
Submission received: 12 October 2022 / Revised: 9 December 2022 / Accepted: 11 December 2022 / Published: 19 December 2022
(This article belongs to the Section Aging)
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Abstract

Against a general trend of increasing driver longevity, the injuries suffered by vehicle occupants in Spanish road traffic crashes are analyzed by the level of severity of their bodily injuries (BI). Generalized linear mixed models are applied to model the proportion of non-serious, serious, and fatal victims. The dependence between vehicles involved in the same crash is captured by including random effects. The effect of driver age and vehicle age and their interaction on the proportion of injured victims is analyzed. We find a nonlinear relationship between driver age and BI severity, with young and older drivers constituting the riskiest groups. In contrast, the expected severity of the crash increases linearly up to a vehicle age of 18 and remains constant thereafter at the highest level of BI severity. No interaction between the two variables is found. These results are especially relevant for countries such as Spain with increasing driver longevity and an aging car fleet.
Keywords: traffic crashes; severity; dependence; random effects; driver age; vehicle age traffic crashes; severity; dependence; random effects; driver age; vehicle age

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MDPI and ACS Style

Santolino, M.; Céspedes, L.; Ayuso, M. The Impact of Aging Drivers and Vehicles on the Injury Severity of Crash Victims. Int. J. Environ. Res. Public Health 2022, 19, 17097. https://doi.org/10.3390/ijerph192417097

AMA Style

Santolino M, Céspedes L, Ayuso M. The Impact of Aging Drivers and Vehicles on the Injury Severity of Crash Victims. International Journal of Environmental Research and Public Health. 2022; 19(24):17097. https://doi.org/10.3390/ijerph192417097

Chicago/Turabian Style

Santolino, Miguel, Luis Céspedes, and Mercedes Ayuso. 2022. "The Impact of Aging Drivers and Vehicles on the Injury Severity of Crash Victims" International Journal of Environmental Research and Public Health 19, no. 24: 17097. https://doi.org/10.3390/ijerph192417097

APA Style

Santolino, M., Céspedes, L., & Ayuso, M. (2022). The Impact of Aging Drivers and Vehicles on the Injury Severity of Crash Victims. International Journal of Environmental Research and Public Health, 19(24), 17097. https://doi.org/10.3390/ijerph192417097

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