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The objectives of this study were to provide insights on how injury risk is influenced by occupant demographics such as sex, age, and size; and to quantify differences within the context of commonly-occurring real-world crashes. The analyses were confined to either single-event collisions or collisions that were judged to be well-defined based on the absence of any significant secondary impacts. These analyses, including both logistic regression and descriptive statistics, were conducted using the Crash Investigation Sampling System for calendar years 2017 to 2021. In the case of occupant sex, the findings agree with those of many recent investigations that have attempted to quantify the circumstances in which females show elevated rates of injury relative to their male counterparts given the same level bodily insult. This study, like others, provides evidence of certain female-specific injuries.

Detailed knowledge of the load paths at the vehicle/dummy interface in side impact crash tests is an essential component in the evaluation of side impact protection systems. In the laboratory, measurements of the external crush and occupant compartment intrusion profiles may be made with great precision. Recent advances in portable electronic measurement instruments have resulted in such procedures also being possible in the field. This paper describes the use of a total station to obtain these data for real-world side impact collisions. This information is likely to provide additional insight into specific injury mechanisms in such crashes.