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Journal Article


Quistberg DA, Lozano P, Mack CD, Schwartz R, Ebel BE. Inj. Prev. 2010; 16(4): 225-229.


Department of Epidemiology, University of Washington, Seattle, Washington, USA.


(Copyright © 2010, BMJ Publishing Group)






OBJECTIVE: To develop a reliable self-report tool for measuring child booster seat use among Latino families.

DESIGN: Cross-sectional and observational survey of a convenience sample. SETTING: Five retail stores in King County, Washington. PARTICIPANTS: 50 parents of children 4-8 years old that self-identified as Latino or Hispanic. MAIN EXPOSURES: Parent-reported measures of how often the child uses a booster seat, if the child used a booster seat on the last trip, how often the child complains about using a booster seat, how often the child asks to not use a booster seat, and how often other families they know use a booster seat. OUTCOME MEASURE: Observed booster seat use by child.

RESULTS: 26 children (52%) were observed using a booster seat. Parent-reported booster seat use was a poor predictor of observed booster seat use. Although 34 parents reported that their child 'always' uses a booster seat, 8 (24%) of these children were not using a booster seat. A logistic model to predict booster seat use had a sensitivity of 81% and a specificity of 71%, and misclassified 24% of the participants' observed use.

CONCLUSIONS: Reliance on parent-reported booster seat use significantly overstated observed booster seat use in the study. Among this study population, accurate determination of booster seat use required direct observation.

Language: en


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