Research Article

The Role of Journey Purpose in Road Traffic Injuries: A Bayesian Network Approach

Table 2

Probabilities of suffering a serious accident, depending on the type of displacement and the different variables of the human factor. Processed by the authors.

VariableKSI risk“In itinere”On businessLeisureOthers

Seat-belt
Yes0.0380.0360.0420.0360.042
No0.1990.1910.1740.1930.230
Unknown0.1060.1000.0600.1140.113

Helmet
Yes0.2040.1990.2150.1910.237
No0.1300.1330.1300.1280.134
Unknown0.0410.0390.0450.0390.045

Speed
No infraction0.0480.0450.0380.0530.048
Inadequate0.1200.1120.0960.1300.121
Exceeding0.1900.1750.1590.2020.194
Slow0.0680.0600.0580.0710.075
Unknown0.1070.1020.0940.1010.129

Distraction
No0.0700.0640.0600.0780.066
Yes0.0690.0610.0570.0750.066
Unknown0.0700.0670.0570.0680.083

Errors
No0.0690.0630.0590.0760.065
Yes0.0600.0520.0510.0670.056
Unknown0.0840.0870.0610.0750.109