218
Participants
Start Date
September 26, 2019
Primary Completion Date
November 22, 2021
Study Completion Date
November 22, 2021
SMS Dialogue
Once-weekly SMS dialogue sessions or micro-interventions and use behavior change techniques (BCTs) including self-monitoring with performance feedback and goal support
SMS Assessments
Once-weekly SMS assessments of motor vehicle risks
University of Pittsburgh Medical Center Emergency Departments, Pittsburgh
University of Pennsylvania Hospital Emergency Departments, Philadelphia
University of Pennsylvania
OTHER
University of Pittsburgh
OTHER