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Environmental factors and the risk for childhood pedestrian-motor vehicle collision occurrence
B A Mueller1, F P Rivara, S M Lii
1Injury Prevention and Research Center, Harborview Medical Center, Seattle, WA 98104.
Insights
Children living in apartments face a significantly higher risk of pedestrian-related injuries compared to those in houses. Busy streets also increase injury risk, but specific safety features showed no association in this study.
Area of Science:
- Pediatric Traumatology
- Environmental Epidemiology
- Traffic Safety Research
Background:
- Childhood pedestrian injuries represent a significant public health concern.
- Understanding environmental and traffic-related risk factors is crucial for prevention strategies.
Purpose of the Study:
- To investigate environmental and traffic-related factors associated with pedestrian injuries in children.
- To identify specific risk factors contributing to pedestrian-motor vehicle collisions among minors.
Main Methods:
- Case-control study design involving 98 children injured in pedestrian-motor vehicle collisions and matched controls.
- Data collection included neighborhood visits to assess environmental and traffic characteristics.
- Statistical analysis to determine risk ratios for various factors.
Main Results:
- Children residing in multifamily dwellings had a 5.5 times greater risk of injury compared to those in single-family homes.
- Increased risk of pedestrian injuries was associated with busier streets, including higher posted vehicle speeds and traffic volumes.
- Lack of pedestrian crossing devices, crosswalks, or sidewalks was not significantly associated with increased risk.
Conclusions:
- Living in multifamily dwellings and residing in areas with high-traffic streets are significant risk factors for childhood pedestrian injuries.
- Further research is needed to explore confounding household and environmental factors.
- Findings suggest a need for targeted interventions in high-risk residential and traffic environments.
Abstract:
In King County, Washington, during 1985-1986, 98 children aged less than 15 years involved in pedestrian-motor vehicle collisions resulting in death or injuries severe enough to require hospitalization were identified through the Trauma Registry at the Regional Trauma Center and the Medical Examiner's Office. Two age- and sex-matched controls were selected for each case, one through random digit dialing and the other from children undergoing appendectomy. Various environmental and traffic characteristics were ascertained from visits to the neighborhoods of all subjects. Children living in multifamily dwellings had a risk for injury that was 5.5 times greater than children living in single family homes (95% confidence interval 2.5-12.3). In general, areas with busier streets (greater posted vehicle speeds and/or greater traffic volumes) were associated with increased risk for pedestrian injuries. The lack of pedestrian crossing devices, crosswalks, or sidewalks, however, was not associated with an increased risk. When the analysis was restricted to the 23 cases injured in front of their homes and their controls, risks were not elevated for any of the street or traffic characteristics. The small size of the study and the lack of relevant information for many subjects limited our ability to adjust for the likely confounding influence of other household/environmental factors. Thus, these results should be viewed as suggestions for future investigations of the causes of childhood pedestrian injuries.