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Table 6 Probabilities of suffering a serious injury, depending on the use of seat belt and the different variables of the human factor. Processed by the Authors
From: Influence of seat-belt use on the severity of injury in traffic accidents
Variables | N° cases | KSI Risk medium | Use of Seat-Belt (KSI Risk) | Comments | ||
|---|---|---|---|---|---|---|
Yes | No | Unknown | ||||
Infringement | ||||||
No infringement | 82,450 | 2.58% | 2.47% | 15.32% | 0.98% | |
Disrespect traffic signals | 16,623 | 2.37% | 2.46% | 16.53% | 0.94% | Not respect the stop, yield, traffic light and others priority of step signals |
Disrespect traffic norm | 14,712 | 2.00% | 2.04% | 14.87% | 0.85% | Not respect the indications of a traffic agent, crosswalk and similar |
Reckless maneuvers | 30,860 | 3.49% | 3.49% | 22.47% | 1.48% | Like wrong way, zigzag circulation, wrong reverse circulation, dangerous overtake, stop without just cause, park in a prohibited places, car races, not indicate or indicate wrongly a maneuver, incorrectly change direction |
Unknown | 113,206 | 1.51% | 1.52% | 8.43% | 0.70% | |
Speed | ||||||
No infraction | 115,810 | 2.65% | 2.87% | 16.63% | 1.03% | No infraction |
Inadequate | 11,483 | 3.62% | 3.68% | 21.59% | 1.50% | Inadequate speed for road conditions |
Exceeding | 1520 | 4.08% | 4.14% | 24.67% | 1.65% | Exceeding the established speed |
Slow | 132 | 3.44% | 3.50% | 21.25% | 1.45% | Slow march / hindering circulation |
Unknown | 128,906 | 1.59% | 1.60% | 9.53% | 0.73% | |
Distraction | ||||||
No | 67,111 | 1.84% | 2.01% | 8.87% | 0.69% | |
Yes | 18,478 | 7.04% | 6.66% | 35.26% | 3.79% | Like use: mobile phone, gps, hands-free, radio, dvd, smoke, others |
Unknown | 172,262 | 1.78% | 1.79% | 11.18% | 0.79% | |
Errors | ||||||
No | 75,037 | 2.65% | 2.65% | 13.79% | 0.97% | |
Yes | 51,143 | 3.81% | 3.81% | 25.63% | 1.44% | Like don’t see: a traffic sign, a vehicle, a walker, an obstacle, and others |
Unknown | 131,666 | 1.37% | 1.37% | 7.94% | 0.67% | |