A Quantification of the Impact of Restraining Systems on Passenger Safety

  • Published: Journal of Safety Research Volume 20, Issue 3, Autumn 1989
  • Authors: Saeed Maghsoodloo, David B. Brown, Yuh-Ing Shieh
  • Date Added: 01 Feb 2013
  • Last Update: 01 Feb 2013
  • Format: pdf

Objectives:

To examine the effectiveness of safety belts.

Methodology:

Accident data fromAlabamawas collected between 1984 and 1987, including information on occupants who were uninjured. The proportion of occupants suffering different severities of injury were calculated and compared.

Key Findings:

  • The effectiveness of seat belts at preventing fatalities in the rear was estimated at 8%, with no confidence intervals provided in the paper.

  • There were very low numbers of restrained passengers who were fatally injured in the rear which were recorded by the police in the time period.

  • The lap belts were estimated to be 57% effective at preventing serious injuries in the rear, with a standard error of 0.74%.

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