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Seat Belt Use Inducing System Effectiveness in Fleet Automobiles
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English
Abstract
Seat belt use inducing systems and seat belt use counting systems were installed in fleet vehicles of the Automobile Club of Southern California. The results were:
- 1.Mean group seat belt use for three use inducement systems were sequencing system 77%; ignition interlock system 86%; and speed limiting interlock system 81%.
- 2.There was no significant change of seat belt use for any of the three inducement systems according to time of exposure.
- 3.There was a significant difference between previous no system seat belt use (mean 24%) and no-system seat belt after exposure to the use inducing system (mean 49%).
- 4.The vehicle drivers were given a questionnaire at periodic intervals, the results of which indicated higher self-reported than actual seat belt use. Also specific confusion, inconvenience and discomfort factors were identified and rated.
The conclusions were:
- 1.use inducing systems cause a significant increase in seat belt use of fleet vehicle drivers. This increase, while probably of a different magnitude, will occur in vehicles operated by the general public.
- 2.No one use inducing system tested was significantly superior in increasing seat belt use than another.
- 3.Temporary exposure to a use inducing system appears to cause a permanent increase in the non-induced seat belt use of exposed subjects.
- 4.Improvement of seat belt hardware and geometry related to the human factor engineering aspects may further improve seat belt use.
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Citation
Appleby, M., Bintz, L., and Wolfe, J., "Seat Belt Use Inducing System Effectiveness in Fleet Automobiles," SAE Technical Paper 751006, 1975, https://doi.org/10.4271/751006.Also In
References
- Federal Motor Vehicle Safety Standards, Nos. 208 and 209 National Highway Traffic Safety Administration
- Motor Vehicle and School Bus Safety Amendments of 1974 Congress of the United States of America October 1974
- Appleby M. R. Bintz L. J. “Increased Seat Belt Use as a Result of Improved Seat Belt Systems.” Paper 740048 SAE Automotive Engineering Congress Detroit March 1974
- “General Motors Press Release,” Fisher Body Div. Detroit Nov. 2 1972
- Shaw D. J. “Interim Results From Test Drive I.” Ford Motor Co. Detroit 1971
- Cohen J. B. Brown A. S. “Effectiveness of Safety Belt Warning and Interlock Systems.” National Analysists Philadelphia April 1973
- Preston F. Shortridge R. “A Study of Restraint Use and Effectiveness.” University of Michigan, Highway Safety Research Institute HIT Lab Reports 3 8 April 1973
- Robertson L. S. Haddon, W. H. Jr. “The Buzzer-Light Reminder System and Safety Belt Use.” Insurance Institute for Highway Safety Washington, D. C. September 1972
- Ursell, C.R. et al. “Application of Restraint System to Used Cars.” Southwest Research Institute under NHTSA Contract FH-11-7306 December 1970 Goodrich B. F. Aerospace and Defence Products, Inc.