Prevalence and Adjusted Prevalence Ratios of Risky MV Behaviors by TWD Status Among US High School Students Aged ≥16 y, National YRBS, 2011

Risky MV BehaviorEngaged in TWD on ≥1 daEngaged in TWD on 0 daAdjusted Prevalence Ratio (95% CI)b
%95% CI%95% CI
Irregular seatbelt use as a passengerc45.942.0–49.941.237.7–44.81.16 (1.07–1.26)
Rode with driver who had been drinking alcohold32.930.6––20.71.74 (1.57–1.93)
Drove when they had been drinking alcohold19.317.7––4.15.33 (4.32–6.59)
  • CI, confidence interval.

  • a During the 30 d before the survey.

  • b Adjusted for age, sex, and race/ethnicity.

  • c Most of the time, sometimes, rarely, or never wore their seatbelt when riding in a car driven by someone else.

  • d One or more times during the 30 d before the survey.