IIHS head restraint ratings and insurance injury claim rates

Traffic Injury Prevention
Rebecca E TrempelMarcy A Edwards

Abstract

The Insurance Institute for Highway Safety (IIHS) rates front seat/head restraint designs using a combination of static and dynamic measurements following RCAR-IIWPG procedures. The purpose of this study was to determine whether vehicles with better IIHS-rated seats/head restraints had lower injury risk in rear-end collisions and how the effect of better rated seats interacted with driver gender and age. The presence of an associated insurance injury claim was determined for rear-impact crashes using 2001-2014 model year cars and SUVs. Logistic regression was used to compare injury risk for vehicles with good, acceptable, and marginal IIHS-rated seats/head restraints with poor-rated seats/head restraints. Analyses were run by gender and driver age and also by the rate of more severe injury claims. Injury rates were 11.2% lower for vehicles with seats/head restraints rated good compared to vehicles with seats/head restraints rated poor. The percentage reduction for good- versus poor-rated seats was greater for females (12.7%) than males (8.9%). Comparing good- with poor-rated seats, driver ages 15-24 had the largest reduction at 19.8%, followed by 10.7% for driver ages 45-64 and 10.4% for driver ages 25-44. Seats/head restraints...Continue Reading

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Citations

Oct 4, 2016·The Journal of Orthopaedic and Sports Physical Therapy·Brian D Stemper, Brian D Corner
Feb 7, 2020·Traffic Injury Prevention·Daniel W H MangJean-Sébastien Blouin
Sep 26, 2019·Injury Prevention : Journal of the International Society for Child and Adolescent Injury Prevention·Rebecca B NaumannKristen Hassmiller Lich
Jan 1, 2018·Traffic Injury Prevention·Amy CourtneyStephanie A Pasquesi
Jul 23, 2020·Journal of Biomechanical Engineering·Jeffrey B Barker, Duane S Cronin

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