A Clustering Approach to Identify High-Risk Taxi Drivers Based on Self-Reported Driving Behavior

Table 6

Mean of DBQ components.

Cluster	Lapses	Inattention errors	Ordinary violations	Inexperience errors	Aggressive violations
Low-risk drivers	1.84	2.10	2.12	1.96	2.01
Medium-risk drivers	1.61	2.05	2.67	2.23	2.54
High-risk drivers	1.81	2.35	2.84	2.10	2.97