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Booster seat legislation: does it work for all children?

Suzanne N Brixey¹, Timothy E Corden, Clare E Guse

¹Department of Pediatrics and Injury Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin 53233, USA. sbrixey@mcw.edu

Injury Prevention : Journal of the International Society for Child and Adolescent Injury Prevention

|February 8, 2011

Summary

Booster seat laws increased overall use, but proper use declined in Black and Latino children. Socioeconomic status impacted overall use, not proper use.

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Area of Science:

Public health
Traffic safety research
Child passenger safety

Background:

Booster seat use is crucial for child passenger safety.
Legislation mandating booster seat use aims to improve safety outcomes.
Disparities in safety measure adoption across demographics are a concern.

Purpose of the Study:

To evaluate the effect of a Wisconsin booster seat law on usage rates.
To analyze booster seat use and proper restraint by race, ethnicity, and socioeconomic status.

Main Methods:

Longitudinal observational study in Milwaukee County, Wisconsin.
Assessed child passengers (4-7 years) before and after booster seat legislation.
Conducted direct observations across five distinct time periods.

Main Results:

Overall booster seat use rose from 24% to 43%.
Proper restraint use increased from 21% to 28% post-legislation.
White children showed increased proper use (48% to 68%), while Black children's proper use decreased (18% to 7%), and Latino children's remained stable (10%).
Household income affected overall use but not proper use.

Conclusions:

Booster seat legislation increased overall use but not necessarily proper use, especially among racial/ethnic minorities.
Racial/ethnic minority groups and lower socioeconomic status populations exhibit lower booster seat use and proper use.