Effectiveness of high back and backless belt-positioning booster seats in side impact crashes.

Annual proceedings. Association for the Advancement of Automotive Medicine Pub Date : 2005-01-01

Kristy B Arbogast, Michael J Kallan, Dennis R Durbin

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Abstract

Previous work quantified a 59% reduction in injury risk for children in belt positioning booster seats (BPB) compared to those restrained in seat belts using a sample of crashes of all directions of impact. Experimental sled tests have highlighted the potential for extreme occupant excursion out of the BPB in side impact crash conditions. Using data from a large child specific crash surveillance system, the present study built upon these previous studies and quantified the relative effectiveness of BPB as compared to seat belts in reducing the risk of injury among 4-8 year olds in side impact crashes. Children in BPB were at a 58% reduction in risk of injury than those in seat belts in side impact crashes. This result varied by booster seat type: those in high back BPB were at a 70% reduction in injury risk while those in backless BPB did not experience a statistically significant reduction in injury risk compared to those in seat belts. This differential performance of the two types of BPB provides direction for future research into the design and performance of these restraints.

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高靠背和无靠背安全带定位助推座椅在侧面碰撞中的有效性。

以前的工作量化了59%的儿童伤害风险降低在安全带定位助推器座椅(BPB)与那些限制在安全带使用碰撞的所有方向的样本。实验台车测试强调了在侧面碰撞碰撞条件下，极端乘员偏离BPB的可能性。本研究使用了一个大型儿童碰撞监测系统的数据，以这些先前的研究为基础，量化了与安全带相比，BPB在降低4-8岁儿童在侧面碰撞中受伤风险方面的相对有效性。与系安全带的儿童相比，系BPB的儿童在侧面碰撞事故中受伤的风险降低了58%。这一结果因增高座椅类型的不同而不同:与系安全带的人相比，高背BPB的人受伤风险降低了70%，而无背BPB的人受伤风险没有统计学上的显著降低。这两种类型BPB的性能差异为未来研究这些约束的设计和性能提供了方向。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Annual proceedings. Association for the Advancement of Automotive Medicine

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