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Factors Associated with Pediatric Mortality from Motor Vehicle Crashes in the United States: A State-Based Analysis
Lindsey L Wolf1, Ritam Chowdhury2, Jefferson Tweed3
1Center for Surgery and Public Health, A Joint Venture of the Brigham and Women's Hospital, Harvard Medical School, Harvard T.H. Chan School of Public Health, Boston, MA; The Division of Trauma, Burns, and Surgical Critical Care, Department of Surgery, Brigham and Women's Hospital, Boston, MA.
Insights
Motor vehicle crash (MVC) pediatric deaths vary significantly by state, influenced by factors like child restraint use and road type. Improving restraint use could save over 1100 young lives annually.
Area of Science:
- Public Health
- Epidemiology
- Traffic Safety
Background:
- Motor vehicle crashes (MVCs) are a leading cause of death for children.
- Geographic disparities in pediatric mortality related to MVCs are not fully understood.
- Identifying state-level factors is crucial for targeted prevention strategies.
Purpose of the Study:
- To analyze geographic variations in pediatric mortality due to MVCs across US states.
- To identify state-level predictors associated with higher rates of MVC-related pediatric deaths.
- To inform policy and interventions aimed at reducing child fatalities in traffic accidents.
Main Methods:
- Utilized data from the 2010-2014 Fatality Analysis Reporting System (FARS).
- Included children under 15 years involved in fatal MVCs on US public roads.
- Employed multivariable linear regression to assess associations between state characteristics and mortality rates.
Main Results:
- Significant variation in age-adjusted MVC-related pediatric mortality rates was observed across states.
- Higher mortality rates were linked to increased percentages of unrestrained or improperly restrained children and crashes on rural roads.
- Lack of red light camera legislation was also associated with increased pediatric fatalities.
Conclusions:
- State-level pediatric mortality from MVCs is influenced by restraint usage, road types, and specific state policies.
- Enhancing child restraint use and implementing policies like red light cameras may significantly reduce child traffic fatalities.
- Targeted interventions focusing on identified risk factors can prevent substantial pediatric mortality.
Objective:
To examine geographic variation in motor vehicle crash (MVC)-related pediatric mortality and identify state-level predictors of mortality.
Study Design:
Using the 2010-2014 Fatality Analysis Reporting System, we identified passengers <15 years of age involved in fatal MVCs, defined as crashes on US public roads with ≥1 death (adult or pediatric) within 30 days. We assessed passenger, driver, vehicle, crash, and state policy characteristics as factors potentially associated with MVC-related pediatric mortality. Our outcomes were age-adjusted, MVC-related mortality rate per 100 000 children and percentage of children who died of those in fatal MVCs. Unit of analysis was US state. We used multivariable linear regression to define state characteristics associated with higher levels of each outcome.
Results:
Of 18 116 children in fatal MVCs, 15.9% died. The age-adjusted, MVC-related mortality rate per 100 000 children varied from 0.25 in Massachusetts to 3.23 in Mississippi (mean national rate of 0.94). Predictors of greater age-adjusted, MVC-related mortality rate per 100 000 children included greater percentage of children who were unrestrained or inappropriately restrained (P < .001) and greater percentage of crashes on rural roads (P = .016). Additionally, greater percentages of children died in states without red light camera legislation (P < .001). For 10% absolute improvement in appropriate child restraint use nationally, our risk-adjusted model predicted >1100 pediatric deaths averted over 5 years.
Conclusions:
MVC-related pediatric mortality varied by state and was associated with restraint nonuse or misuse, rural roads, vehicle type, and red light camera policy. Revising state regulations and improving enforcement around these factors may prevent substantial pediatric mortality.
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