Self reported unsafe driving behaviors at wave 6.

aRefers to items that capture reckless driving.bRefers to items that capture inattentive driving.Self reported unsafe driving behaviors at wave 6.a项用于表征鲁莽驾驶行为，b项用于表征分心驾驶行为；本数据集涵盖第六轮调研中自我报告的不安全驾驶行为相关数据。