Evaluating the Effectiveness of Child Safety Seats and Seat Belts in Protecting Children from Injury

16 Pages Posted: 21 Jun 2010

See all articles by Joseph J. Doyle

Joseph J. Doyle

Massachusetts Institute of Technology (MIT) - Economics, Finance, Accounting (EFA); National Bureau of Economic Research (NBER)

Steven D. Levitt

University of Chicago - Booth School of Business - Economics; National Bureau of Economic Research (NBER)

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Abstract

Young children are required to use child safety seats, and the age threshold at which children can legally graduate to seat belts has steadily increased. This article tests the relative effectiveness of child safety seats, lap-and-shoulder seat belts, and lap belts in preventing injuries among motor vehicle passengers aged 2–6 yr. We analyze three large, representative samples of crashes reported to police, as well as linked hospital data. We find no apparent difference in the two most serious injury categories for children in child safety seats versus lap-and-shoulder belts. Child safety seats provide a statistically significant 25% reduction in the least serious injury category. Lap belts are somewhat less effective than the two other types of restraints but far superior to riding unrestrained.

Suggested Citation

Doyle, Joseph John and Levitt, Steven D., Evaluating the Effectiveness of Child Safety Seats and Seat Belts in Protecting Children from Injury. Economic Inquiry, Vol. 48, Issue 3, pp. 521-536, July 2010, Available at SSRN: https://ssrn.com/abstract=1627396 or http://dx.doi.org/10.1111/j.1465-7295.2008.00170.x

Joseph John Doyle

Massachusetts Institute of Technology (MIT) - Economics, Finance, Accounting (EFA) ( email )

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Steven D. Levitt

University of Chicago - Booth School of Business - Economics ( email )

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