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Preventing pediatric backover trauma: The impact of a federally mandated car safety feature
Jeannette M Joly1, Krysta M Sutyak1, Neil G Jayarajan2
1Department of Pediatric Surgery, McGovern Medical School at UTHealth Houston and Children's Memorial Hermann Hospital, Houston, TX, USA; Center for Surgical Trials and Evidence-Based Practice (CSTEP), McGovern Medical School at UTHealth Houston, Houston, TX, USA.
Insights
The federal mandate for rear visibility significantly reduced pediatric backover trauma rates and injury severity. This regulatory requirement led to fewer severe injuries and fatalities in young children, enhancing road safety.
Area of Science:
- Public Health
- Pediatric Trauma
- Road Safety Engineering
Background:
- Backover trauma, caused by reversing vehicles, results in severe injuries and fatalities, particularly among young children.
- A federal mandate required new motor vehicles to meet rear visibility standards by May 2018.
- Understanding the mandate's impact is crucial for child injury prevention strategies.
Purpose of the Study:
- To assess the effect of the federal rear visibility mandate on pediatric backover trauma.
- To analyze changes in the rate, incidence, and severity of backover injuries in children under five years old.
- To evaluate the mandate's contribution to reducing child pedestrian injuries.
Main Methods:
- A retrospective observational study analyzed data from 2011 to 2024.
- Two datasets were used: trauma registries from Level I pediatric trauma centers and curated case lists from Kids and Car Safety (KACS).
- Univariate analyses and Poisson/quasi-Poisson models compared injury rates and incidences pre- and post-mandate.
Main Results:
- Trauma registry data showed a decrease in backover injury rate from 11.6/year to 5.3/year (RR: 0.46) and incidence from 17.3 to 7.1 per 100,000 (Incidence RR: 0.41).
- KACS data indicated a reduction in backover injury rate from 3.0/year to 0.9/year (RR: 0.30).
- Fewer severe injuries were observed post-mandate, and fatalities decreased by 78% (from 82% to 67%).
Conclusions:
- The federal rear visibility mandate led to a significant decrease in pediatric backover trauma rates and incidence.
- The mandate was associated with a reduction in the severity of injuries and a notable decrease in fatalities.
- These findings support the implementation of public health regulations to enhance vehicle safety and prevent child injuries.
Purpose:
Backover trauma occurs when a reversing motorized vehicle strikes a pedestrian, often a small child. Injuries carry significant morbidity and mortality. A federal mandate required newly manufactured motor vehicles to meet a rear visibility standard by May 2018. This study characterizes the mandate's impact on pediatric backover trauma.
Methods:
A retrospective pre-post observational study was conducted of children (<5 years) with backover trauma (01/2011-11/2024). Two datasets were utilized: trauma registries from two Level I pediatric trauma centers serving a single catchment area, and case lists curated by Kids and Car Safety (KACS) from publicly available injury reports (same region). Univariate analyses and Poisson/quasi-Poisson models compared backover rates and incidences, pre-mandate versus post-mandate.
Results:
From trauma registry data, 120 patients were identified: 85 pre-mandate, 35 post-mandate. Patients were median 2.1 years old (IQR: 1.6-2.8) and 65% male. Median ISS was 10.0 (IQR: 5.0-17.3) with no difference between groups (p = 0.68), but fewer severe injuries occurred post-mandate (12 pre-mandate, 5 post-mandate). Backover injury rate decreased from 11.6/year pre-mandate to 5.3/year post-mandate (RR: 0.46; 95% CI: 0.28-0.75), and incidence decreased from 17.3 to 7.1 per 100,000 (Incidence RR: 0.41; 95% CI: 0.27-0.60). From KACS data, 28 victims were identified: 22 pre-mandate, 6 post-mandate. Backover injury rate was higher pre-mandate (3.0/year) and decreased post-mandate to 0.9/year (RR: 0.30; 95% CI: 0.12-0.75). Fatalities decreased from 18 (82%) pre-mandate to 4 (67%) post-mandate (p = 0.58).
Conclusion:
Pediatric backover rates decreased following full compliance with the federal mandate. Fewer severe injuries occurred, and publicly reported fatalities decreased by 78%. Reduced rate, incidence, and severity of backover injuries justify public health-driven regulatory requirements.
