Trajectory of motions (Base: Other movement) vehicle’s Going Straight -0.480 -3.423 − − Manner of collision (Base: Rear-ender and short side-angular) Rear-ended -1.574 -7.172 − − Near-angular -0.826 -4.427 − − Head-on -1.055 -4.402 − − Far-side 0.530 2.197 − − Injury Severity Components Latent Propensity Threshold Latent Propensity Threshold Variables Estimates t-stat Estimate t-stat Estimates t-stat Estimate t-stat Constant 3.859 7.962 1.468 13.571 -1.746 -6.237 0.307 2.650 Driver characteristics Driver age (Base: Age 25 to 64) Age less than 25 -0.734 -2.478 -0.137 -1.643 − − − − Age above 65+ 0.885 3.779 0.432 2.629 -0.498 -2.533 − − Driver gender (Base: Male) Female 1.189 8.003 0.316 2.740 − − − − Restraint system use (Base: seat belt used) Seat belt not used -0.197 -2.161 0.717 2.472 − − − − Vehicle characteristics Vehicle Type (Base: Sedan)
Trajectory of vehicle’s motions (Base: Other movement) Going Straight − − -0.480 -3.423 Manner of collision (Base: Rear-ender and short side-angular) Rear-ended − − -1.574 -7.172 Near-angular − − -0.826 -4.427 Head-on − − -1.055 -4.402 Far-side − − 0.530 2.197 Injury Severity Components Variables Latent Propensity Threshold Latent Propensity Threshold Estimates t-stat Estimate t-stat Estimates t-stat Estimate t-stat Constant 3.859 7.962 1.468 13.571 -1.746 -6.237 0.307 2.650 Driver characteristics Driver age (Base: Age 25 to 64) Age less than 25 -0.734 -2.478 -0.137 -1.643 − − − − Age above 65+ 0.885 3.779 − − 0.432 2.629 -0.498 -2.533 Driver gender (Base: Male) Female − − − − 1.189 8.003 0.316 2.740 Restraint system use (Base: seat belt used) Seat belt not used − − -0.197 -2.161 0.717 2.472 − − Vehicle characteristics Vehicle Type (Base: Sedan)