Bureau of Transportation Statistics (BTS)
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Table 3 - Inference Results: Evidence for Intoxication Variables Probabilities

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Acc_type Cause (HI) Cause (OS) Cause (PD) Cause (PR) Cause (PV) Cause (SV) Cause (VR) Sex (Male) Night (Yes) At_fault (Yes)
Yes 0.204 0.050 0.180 0.069 0.129 0.254 0.113 0.909 0.752 0.879
No 0.131 0.045 0.208 0.046 0.245 0.125 0.201 0.753 0.206 0.510

Key: HI = inappropriate speed, OS = other, PD = failing to give way, PR = wrong overtaking, PV = car maneuvers, SV = wrong side/direction, VR = unsuitable safety distance.