2003 safety belt usage survey in Kentucky.

Agent, Kenneth R.; Green, Eric R. · 2003 · ROSA P / University of Kentucky Transportation Center

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Summary

This report presents the findings of the 2003 statewide safety belt and child safety seat usage survey in Kentucky, conducted by the Kentucky Transportation Center in cooperation with the Kentucky State Police. The study aims to establish current usage rates, compare them to historical data since the 1982 inception of annual surveys, and evaluate the impact of the 1994 statewide mandatory safety belt law and recent enforcement campaigns. The research addresses the ongoing need to monitor compliance to inform legislative and enforcement strategies, particularly regarding the distinction between secondary and primary enforcement laws. Data were collected between June and July 2003 at 200 randomly selected sites across Kentucky, following a stratified sampling design aligned with National Highway Traffic Safety Administration guidelines. Sites were selected based on vehicle miles traveled, geographic region, and roadway functional classification, covering 58 counties representing 85% of the state’s population. Trained observers recorded restraint usage for drivers, front-seat passengers, and children under four years of age (both front and rear seats) for two hours at each location. The sample included 113,152 front-seat occupants. Data were weighted by vehicle miles traveled to calculate statewide and regional usage rates, with statistical analysis performed to determine confidence intervals and relative errors. The 2003 statewide safety belt usage rate for all front-seat occupants was 65.5%, an increase from 62.0% in 2002 and significantly higher than the 42% rate recorded in 1993 prior to the statewide law. Usage varied by region, with the highest rate in the North (70.0%) and the lowest in the East (56.6%). By vehicle type, sport utility vehicles had the highest usage (71.7%), while pickup trucks had the lowest (50.4%). Child safety seat usage for children under four was 94.8%, continuing a high compliance trend attributed to primary enforcement laws for this age group. Additionally, motorcycle helmet usage was 56%, a significant decline from over 95% prior to the 1998 repeal of the mandatory helmet law. Bicycle helmet usage remained low at 19%. The authors conclude that while usage rates have reached historic highs, the benefits of secondary enforcement are limited, as evidenced by the drop in usage after the "Buckle Up Kentucky" enforcement campaign ended. The report recommends modifying the statewide law to allow primary enforcement for all occupants, or at minimum for drivers in the graduated license program, to maximize compliance. It also suggests targeting enforcement and education efforts in the eastern region of the state and among pickup truck occupants, where usage rates are lowest.

Key finding

The statewide safety belt usage rate for all front-seat occupants in Kentucky was 65.5 percent in 2003, with children under four years of age showing a 94.8 percent usage rate.

Methodology

naturalistic

Sample size: 113152

Provenance

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Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.

Topics

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• seat belt use
• incidence prevalence
• child passenger safety

Information type

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• Empirical Findings: observational prevalence