Table 2

Incidence rate ratios of collisions by age, injury severity, pedestrian and vehicle action, post-pedestrian countdown signal (PCS) installation

Collision typeAdjusted* IRR (95% CI)p Value
Total1.26 (1.11 to 1.42)<0.001
Age, years
 Child (0–15 years)0.96 (0.69 to 1.33)0.797
 Adult (16–59 years)1.34 (1.15 to 1.56)<0.001
 Older adult (>59 years)1.14 (0.88 to 1.49)0.321
Injury severity
 No injury0.95 (0.55 to 1.63)0.850
 Minor or minimal1.25 (1.09 to 1.42)0.001
  Fatal or major1.51 (1.06 to 2.16)0.023
Pedestrian crossing
 Right of way1.19 (1.03 to 1.38)0.019
 Without right of way1.30 (0.98 to 1.74)0.078
Vehicle crossing
 Right turn (PED† ROW‡)1.20 (0.937 to 1.54)0.149
 Right turn (No PED ROW)1.26 (0.569 to 2.78)0.568
 Left turn (PED ROW)1.01(0.914 to 1.32)0.314
 Left turn (No PED ROW)1.11 (0.575 to 2.15)0.755
 Straight (PED ROW)1.70 (1.09 to 2.64)0.025
 Straight (No PED ROW)1.34 (0.996 to 1.80)0.057
  • *Adjusted for temporal effects, season and baseline average pedestrian-motor vehicle rate.

  • †Pedestrian.

  • ‡Right of way.

  • IRR, incidence rate ratio; PED, Pedestrian.