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Fatality and injury Reducing Effectiveness of Lap Belts for Back Seat Occupants
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English
Abstract
The fatality and injury reducing effectiveness of Tap belts for back seat occupants is estimated by applying the double pair comparison method to 1975-86 Fatal Accident Reporting System and 1982-85 Pennsylvania accident data. Lap belts significantly reduce the risk of fatalities by 17-26 percent, serious injuries by 37 percent, moderate to serious injuries by 33 percent and injuries of any severity by 11 percent, relative to the unrestrained back seat occupant. Lap belts are primarily effective in nonfrontal crashes because the unrestrained back seat occupant is already well protected in frontals. Lap belted occupants have lower head injury risk but higher torso injury risk than unrestrained back seat occupants.
This paper presents the views of the author and not necessarily those of the National Highway Traffic Safety Administration (NHTSA).
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Citation
Kahane, C., "Fatality and injury Reducing Effectiveness of Lap Belts for Back Seat Occupants," SAE Technical Paper 870486, 1987, https://doi.org/10.4271/870486.Also In
References
- Goryl, M.E. “Restraint System Usage in the Traffic Population.” National Highway Traffic Safety Administration Report No. DOT HS 806 987 1986
- “Safety Study - Performance of Lap Belts in 26 Frontal Crashes.” National Transportation Safety Board Report No. PB86-917006 1986
- Evans, L. “Double Pair Comparison -A New Method to Determine How Occupant Characteristics Affect Fatality Risk in Traffic Crashes.” Accident Analysis and Prevention 18 June 1986
- Evans, L. “Rear Compared to Front Seat Restraint System Effectiveness.” SAE International Congress Detroit 1987
- Kahane, C.J. “An Evaluation of Child Passenger Safety: The Effectiveness and Benefits of Safety Seats.” National Highway Traffic Safety Administration Report No. DOT HS 806 890 1986
- “Final Regulatory Impact Analysis -Amendment to Federal Motor Vehicle Safety Standard 208 - Passenger Car Front Seat Occupant Protection.” National Highway Traffic Safety Administration Report No. DOT HS 806 572 1984