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Table 5.2: Estimates for standard logistic, skewed logistic and mixed logit models

Standard Logistic Skewed Logistic Mixed Logit (normal distribution) Mixed Logit (uniform)

Observation 3675 3675 3675 3675

Log-likelihood function -1622.97 -1620.85 -1604.30 -1604.00

AIC 3297.9 3295.7 3312.6 3312.0

Variable Coeff. S.E. Coeff. S.E Coeff. S.E. Scale S.E. Coeff. S.E. Scale S.E.

Occupant Gender

Female 0.823*** 0.095 0.625*** 0.115 0.688*** .09443 2.129*** 0.139 0.845*** 0.108 4.559 0.273

Occupant Age

16-24 0.329*** 0.116 0.246* 0.095 0.148 0.115 1.653*** 0.159 0.309** 0.124 2.544 0.282

65+ 1.017*** 0.132 0.782*** 0.148 0.986*** 0.134 2.211*** 0.210 1.244*** 0.155 4.971 0.401

Safety restraint

No 1.135*** 0.269 0.856*** 0.259 1.396*** 0.268 - - 1.714*** 0.291 - -

Ejected

Yes 2.148*** 0.222 1.689*** 0.267 2.675*** 0.229 1.688*** 0.313 3.373*** 0.267 2.688*** 0.561

Vehicle type
Motorcycle 0.880*** 0.308 0.757*** 0.244 1.421*** 0.342 3.566*** 0.596 2.082*** 0.448 10.177*** 1.299

Heavy vehicle -0.417*** 0.131 -0.321*** 0.105 -0.616*** 0.118 0.283*** 0.105 -0.792*** 0.134 - -

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