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Booster Seat Use and Misuse

In general, children between the ages of 4 and 8 have usually outgrown a harnessed child restraint, but are not large enough for vehicle safety belts to properly protect them in a crash. Belt-positioning booster seats position the child and guide seat belts to allow the seatbelt to effectively restraint the child. UMTRI researchers have developed several studies to determine the rate of booster seat use by 4- to 8-year-old occupants. These studies have been implemented on both a statewide and local level to evaluate booster-seat intervention activities. UMTRI researchers have also developed new ways of measuring belt fit with and without boosters that are being used to study how vehicle and booster designs can be optimized for rear seat occupants.

Recent Publications

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Child passenger restraints in relation to other second-row passengers an analysis of the 2007-2009 National Survey of the Use of Booster Seats.
Michelle L. Macy, Gary L. Freed, Matthew P. Reed

journal article PT-142
IN: Traffic injury prevention. Vol. 14, no. 2 (2013), p. 209-214.

Objective: Child restraint systems (CRS) are increasingly being designed to accommodate larger children and to mitigate side impact...

Improving the repeatability and reproducibility of belt fit measurement with 6YO and 10YO ATDs
Matthew P. Reed, Sheila M. Ebert-Hamilton, Carol A.C. Flannagan.

report UMTRI-2011-4

In previous work, researchers at the University of Michigan Transportation Research Institute (UMTRI) developed a method for...

Optimizing protection for rear seat occupants assessing booster performance with realistic belt geometry using the Hybrid III 6YO ATD.
Kathleen D. Klinich, Matthew P. Reed, Nicole R. Orton, Miriam A. Manary, Jonathan D. Rupp.

report UMTRI-2011-40

A series of sled tests was conducted to examine the performance of booster seats under belt geometries representing the range found in...

Evaluation of community-based programs to increase booster seat use
Renee M. St. Louis, Julie E. Parow, David W. Eby, C. Raymond Bingham, Heather M. Hockanson, Arlene I. Greenspan.

journal article IN: Accident Analysis and Prevention. Vol. 40, issue 1 (Jan. 2008), p. 295-302.

This manuscript reports the results of an evaluation of two community-based booster seat promotion programs in Michigan; one program...