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A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
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Evaluating adverse rural crash outcomes using the NHTSA State Data System.

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Motor vehicle crash deaths are higher in rural areas. Severely injured individuals face increased mortality risk in rural locations, potentially due to emergency medical services (EMS) limitations.

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Area of Science:

  • Public Health
  • Transportation Safety
  • Epidemiology

Background:

  • Motor vehicle crash mortality rates are disproportionately higher in rural areas.
  • The specific contributions of geographic barriers versus emergency medical services (EMS) deficiencies to this disparity remain unclear.

Purpose of the Study:

  • To analyze factors independently associated with severe injury occurrence.
  • To analyze factors independently associated with death after a severe injury had occurred.

Main Methods:

  • Utilized police-reported crash data from 11 states (2005-2007) via the National Highway Traffic Safety Administration (NHTSA) State Data System (SDS).
  • Employed logistic regression to model death, severe injury, and death given severe injury.
  • Incorporated person, vehicle, and event covariates, with county location defined by Rural-Urban Continuum Codes (RUCC).

Main Results:

  • Older age, non-seatbelt use, ejection, alcohol involvement, high speed, and early morning crashes increased the risk of severe injury and death.
  • After controlling for these factors, individuals with severe injuries in rural (RUCC 6-7) and very rural (RUCC 8-9) counties had significantly higher odds of death (aOR 1.23 and 1.31, respectively).

Conclusions:

  • Severely injured individuals in rural locations exhibit a higher likelihood of mortality compared to their urban counterparts.
  • Potential contributing factors include limitations in rural emergency medical services (EMS).
  • Future NHTSA-SDS data may facilitate exploration of specific risk factors for rural crash fatalities.