• Carol Conroy, David B Hoyt, A Brent Eastman, Steve Erwin, Sharon Pacyna, Troy Lisa Holbrook, Teresa Vaughan, Michael Sise, Frank Kennedy, and Tom Velky.
• University of California, Department of Surgery, San Diego, USA. carol.conroy@sdcounty.ca.gov
• Accid Anal Prev. 2006 Sep 1; 38 (5): 835-42.

AbstractThe purpose of this research was to determine occupant, vehicle, and crash characteristics predicting serious injury during rollover crashes. We compared 27 case occupants with serious or greater severity injuries with 606 control occupants without injury or with only minor or moderate injury. Odds ratios (OR) for individual variables and logistic regression were used to identify predictive variables for serious injury associated with rollovers. Cases more often had thorax, spine, or head injury compared to controls that more often had extremity injuries. Intrusion (especially roof rail or B-pillar intrusion) at the occupant's position, the vehicle interior side and roof as sources of injury, and improper safety belt use were significantly associated with serious injury. Even when safety belt use or proper use was controlled for, occupants with greater magnitude of intrusion at their seat position were about 10 times more likely to receive serious injury. Although prevention of rollover crashes is the ultimate goal, it is important to develop safer vehicles and safety systems to better protect occupants who are involved in rollover crashes. This also requires improvement in data collection systems documenting these types of crashes.

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