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Does vehicle colour influence crash risk?

机译：车辆颜色是否会影响碰撞风险？

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摘要

An often asked question regarding vehicle safety is whether vehicle colour has an influence on crash risk and if so, what is the differential in risk between the various colours of vehicles available. The major objective of this study was to assess the relationship between vehicle colour and crash risk through the analysis of real crash outcomes described in Police reported crash data. The study employed induced exposure methods utilising single vehicle crashes as the comparison crash type. It estimated the crash risk associated with each vehicle colour relative to a reference colour which was chosen to be white. Results of the analysis identified a clear statistically significant relationship between vehicle colour and crash risk. Compared to white vehicles, a number of colours were associated with higher crash risk. These colours were black, blue, grey, green, red and silver. The association between vehicle colour and crash risk was strongest during daylight hours where relative crash risks were higher for the colours listed compared to white by up to around 10%. No colour had a statistically significantly lower crash risk than white although crash risks for a number of other colours were not statistically significantly different from white.
机译：关于车辆安全性的一个常见问题是，车辆颜色是否会影响碰撞风险，如果影响，则可用的各种颜色的车辆之间的风险差异如何？这项研究的主要目的是通过分析警方报告的碰撞数据中描述的实际碰撞结果来评估车辆颜色与碰撞风险之间的关系。该研究采用诱导曝光方法，该方法利用单个车辆碰撞作为比较碰撞类型。相对于选择为白色的参考颜色，它估计了与每种车辆颜色相关的碰撞风险。分析结果确定了车辆颜色和碰撞风险之间明显的统计学上显着的关系。与白色车辆相比，许多颜色具有较高的碰撞风险。这些颜色是黑色，蓝色，灰色，绿色，红色和银色。在白天，车辆颜色与碰撞风险之间的相关性最强，与白色相比，所列颜色的相对碰撞风险更高，最高约10％。在统计上，没有一种颜色的撞车风险比白色更低，尽管许多其他颜色的撞车风险与白色在统计学上没有显着差异。

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