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. 2021 Dec 31;16(12):e0261182. doi: 10.1371/journal.pone.0261182

Table 1. Crash and temporal risk factors for fatal crashes by road user mode of transport.

Driver Passenger Pedestrian Pedestrian vs. vehicle occupant
n (%) IF^ n (%) IF^ n (%) IF^ P * Cramer’s V Risk Ratio (CI)
Vehicle type
Light vehicle 8509 (82.1%) 1.1 9868 (75.4%) 1.0 9098 (73.7%) 1.0 <0.01 0.05 0.94 (0.93–0.95)
Public transport 672 (6.5%) 0.5 2105 (16.1%) 1.3 2135 (17.3%) 1.4 <0.01 0.08 1.46 (1.39–1.54)
Heavy vehicle 1005 (9.7%) 1.1 1080 (8.3%) 1.0 1034 (8.4%) 1.0 0.11 0.01 0.94 (0.88–1.01)
Motorcycle 184 (1.8%) 0.9 33 (0.3%) 0.1 72 (0.6%) 0.3 <0.01 0.02 0.63 (0.48–0.82)
Day period
Night 6174 (57.9%) 1.1 7086 (52.9%) 1.0 8903 (56.7%) 1.0 <0.01 0.02 1.03 (1.01–1.05)
Day 4499 (42.2%) 0.9 6320 (47.1%) 1.1 6812 (43.4%) 1.0 <0.01 0.02 0.96 (0.94–0.99)
Week period
Long Weekend 1284 (12.0%) 1.0 1945 (14.5%) 1.2 1875 (11.9%) 1.0 <0.01 0.02 0.89 (0.84–0.94)
Weekend 5553 (52.0%) 1.0 7009 (52.3%) 1.0 7758 (49.4%) 1.0 <0.01 0.03 0.95 (0.93–0.97)
Weekday 3836 (35.9%) 1.0 4452 (33.2%) 0.9 6082 (38.7%) 1.0 <0.01 0.04 1.12 (1.10–1.15)
Vacation period
Non-Vacation 7607 (71.3%) 1.0 9146 (68.2%) 1.0 11313 (72.0%) 1.0 <0.01 0.03 1.04 (1.02–1.05)
Vacation 3066 (28.7%) 1.0 4260 (31.8%) 1.1 4402 (28.0%) 1.0 <0.01 0.03 0.92 (0.89–0.95)

* 2-tailed P-value, based on Yates corrected Chi-Square

^ Impact Factor