Background: Consequences of alcohol-and drug-impaired driving affect youth
disproportionately. We describe individual-and area-level characteristics associated with …

Background: A better understanding of the relations between patterns of marijuana use and
driving risks in young adulthood is needed. Methods: Secondary analyses of self-report data …

Objective: Research on risky driving practices involving marijuana use among youth and
young adults often relies on cross-sectional data, which fail to account for longitudinal …

Background Impaired driving is a recognized cause of major injury. Contemporary data are
lacking on exposures to impaired driving behaviours and related injury among young …

Importance Driving after marijuana use increases the risk of a motor vehicle crash.
Understanding this behavior among young drivers and how it may differ from alcohol-related …

LITTLE IS KNOWN ABOUT THE RISK OF INJURY among adolescents who drive after the
use of alcohol or cannabis or ride in cars driven by drunk drivers. We examined data from …

Objective: It is unknown how many drivers are impaired by alcohol or cannabis with children
as passengers (a situation known as driving under the influence child endangerment [DUI …

Objectives. We examined prevalence, trends, and correlates of driving or riding after use of
drugs or alcohol among US high school seniors from 2001 to 2011. Methods. Data come …

Objectives The interplay between marijuana legislation, perceptions of risks associated with
marijuana use, and marijuana-related risk behaviors is an ever changing and complex …

Background: Many youth report driving under the influence of cannabis (DUIC) and riding
with a cannabis-impaired driver (RWCD), and many perceive that cannabis causes limited …