Fig 1.
Number and share of pedestrian-occupant accidents in China’s road traffic accidents, 2013–2021 [2].
Fig 2.
Comparison of the data structures of the three groups.
Table 1.
Road environment impact factors.
Table 2.
Data structure of the elderly group.
Table 3.
Results of NB and ZTNB models for the elderly group.
Table 4.
Data structure of the children’s group.
Table 5.
Results of NB and ZTNB models for the children’s group.
Table 6.
Data structure of the non-children and elderly groups.
Table 7.
Results of NB and ZTNB models for the non-children and elderly groups.
Table 8.
Comparing the outcomes of the three groups of models.
Fig 3.
Comparison of parameter sizes for three sets of affecting factors.