A prospective study of children aged <16 years in motor vehicle collisions in Norway: severe injuries are observed predominantly in older children and are associated with restraint misuse

Accid Anal Prev. 2014 Dec:73:151-62. doi: 10.1016/j.aap.2014.09.004. Epub 2014 Sep 18.

Abstract

Objective: The implementation of the compulsory wearing of seat belts (SBs) for children and improvements in child restraint systems have reduced the number of deaths and severe injuries among children involved in motor vehicle (MV) collisions (MVCs). Establishing the characteristics predictive of such injuries may provide the basis for targeted safety campaigns and lead to a further reduction in mortality and morbidity among children involved in MVCs. This study performed a multidisciplinary investigation among child occupants involved in MVCs to elucidate injury mechanisms, evaluate the safety measures used and determine the characteristics that are predictive of injury.

Methods: A prospective study was conducted of all child occupants aged <16 years involved in severe MVCs in south-eastern Norway during 2009-2013. The exterior and interior of the MVs were investigated and the injured children were medically examined. Supplementary information was obtained from witnesses, the crash victims, police reports, medical records and reconstructions. Each case was reviewed by a multidisciplinary team to assess the mechanism of injury.

Results: In total, 158 child occupants involved in 100 MVCs were investigated, of which 27 (17%) exhibited Abbreviated Injury Scale (AIS) scores of 2+ injuries and 15 (9%) exhibited AIS 3+ injuries. None of the children died. Of those with AIS 2+ injuries (n=27), 89% (n=24) were involved in frontal impact collisions and 11% (3/27) were involved in side impacts. Multivariate analysis revealed that restraint misuse, age, the prevailing lighting conditions and ΔV were all independently correlated with AIS 2+ injuries. Safety errors were found in 74% (20/27) of those with AIS 2+ injuries and 93% (14/15) of those with AIS 3+ injuries. The most common safety error was misuse of restraints, and in particular loose and/or improperly positioned SBs.

Conclusion: The risk of injury among child occupants is significantly higher when the child occupants are exposed to safety errors within the interior of the vehicle. Future campaigns should focus on the prevention of restraint misuse and unsecured objects in the passenger compartment or boot.

Keywords: Child restraint systems; Injury mechanism; Motor vehicle; Pediatric.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Abbreviated Injury Scale
  • Accidents, Traffic / mortality
  • Accidents, Traffic / statistics & numerical data*
  • Adolescent
  • Child
  • Child Restraint Systems*
  • Child, Preschool
  • Equipment Failure*
  • Female
  • Humans
  • Infant
  • Male
  • Multivariate Analysis
  • Norway
  • Prospective Studies
  • Risk Factors
  • Safety
  • Seat Belts* / statistics & numerical data
  • Wounds and Injuries / epidemiology*