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Rear-facing child safety seat effectiveness: evidence from motor vehicle crash data
D Mark Anderson1,2, Ridge W Peterson3
1Agricultural Economics & Economics, Montana State University, Bozeman, Montana, USA dwight.anderson@montana.edu.
Summary
Children in rear-facing car safety seats (CSS) experience fewer injuries in motor vehicle crashes (MVCs). This study confirms rear-facing CSS use is safer for young children, aligning with updated safety guidelines.
Area of Science:
- Pediatrics
- Traffic Safety
- Injury Prevention
Background:
- The American Academy of Pediatrics updated car safety seat (CSS) guidelines in 2018, recommending rear-facing use for children as long as possible.
- Limited observational data exists on the effectiveness of rear-facing CSS in preventing injuries.
Purpose of the Study:
- To estimate the association between rear-facing CSS use and injury risk in children aged 0-4 years involved in motor vehicle crashes (MVCs).
Main Methods:
- Analysis of MVC data involving children aged 0-4 years from Kansas (2011-2020).
- Comparison of injury rates between children in rear-facing CSS and forward-facing devices.
- Logistic regression used to adjust for potential confounding factors.
Main Results:
- Rear-facing CSS use was associated with a 14% reduction in any injury (unadjusted) and a 9% reduction (adjusted) compared to forward-facing CSS.
- These protective effects were most pronounced for children in back outboard seating positions.
- A negative association with incapacitating/fatal injuries was observed, though estimates were imprecise.
Conclusions:
- Children aged 0-4 years are less likely to sustain injuries in MVCs when using rear-facing CSS compared to forward-facing.
- Findings support the recommendation for extended rear-facing CSS use, especially as some state laws do not mandate it for all ages.
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