Driver Dependent Factors and the Risk of Causing a Collision for Two Wheeled Motor Vehicles

This case control study assesses the effect of driver dependent factors on the risk of causing a collision for two-wheeled motor vehicles (TWMVs). The study included all drivers of TWMVs involved in collisions between two vehicles recorded in the Spanish registry of traffic crashes which did not involve pedestrians, and in which at least one of the vehicles was a TWMV and only one driver had committed a driving infraction. The infractor and noninfractor drivers constituted the case and control groups, respectively. Logistic regression analyses were used to obtain crude and adjusted odds ratio estimates for each of the driver-related factors recorded in the registry (including age, sex, nationality, psychophysical factors, and speeding infractions). Results showed that inappropriate or excessive speed and driving under the influence of alcohol were the two factors related most strongly with the risk of causing a TWMV collision. Younger and older drivers, foreign drivers, male drivers, and driving without a valid license were also associated with a higher risk of causing a collision. In contrast, helmet use and longer time in possession of a driving license were associated with a lower risk. Some of the main driver-dependent factors related to the risk of causing a collision for a TWMV were similar to those documented for four-wheeled vehicles, but there were several differences in the pattern of associations. These findings support the need to consider moped and motorcycle crashes separately from crashes involving other types of vehicles when conducting research or implementing road safety programs.

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  • Authors:
    • Lardelli-Claret, P
    • Jimenez-Moleon, J J
    • de Dios Luna-del-Castillo, J
    • Garcia-Martin, M
    • Bueno-Cavanillas, A
    • Galvez-Vargas, R
  • Publication Date: 2005-8

Language

  • English

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 01003391
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 29 2005 7:47AM