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Phase 3 N=240 Randomized Prevention

Intervention to Improve Driving Practices Among High-Risk Teen Drivers

Drive · Recidivism · Communication · Feedback, Psychological

Bottom Line

View on ClinicalTrials.gov: NCT04317664 ↗
Enrolled (actual)
240
Serious AEs
0.0%
Results posted
Feb 2026
Primary outcome: Primary: Risky Driving Events — 101.3; 106.2; 77.7 Average number of events per 1000 miles

Study Design & Population

Study type
Interventional
Phase
Phase 3
Interventions
In-vehicle device (Combination_product); Parent Communication (Behavioral)
Age
Pediatric · 16+ yrs
Sex
All
Sponsor
Ginger Yang
Primary completion
Dec 2024

Outcome Measures

OutcomeResultp-value
PRIMARY
Risky Driving Events		 101.3; 106.2; 77.7 —
PRIMARY
Unsafe Behaviors		 0.19; 0.19; 0.16; 0.09; 0.12; 0.07 —
SECONDARY
Recidivism		 — —
SECONDARY
Parent-Teen Communication		 — —

Summary

The purpose of this study is to test the effects of an in-vehicle driving feedback technology, with and without parent communication training, on risky driving events, unsafe driving behaviors, and subsequent traffic violations among teens who have recently received a moving traffic violation.

Eligibility Criteria

Inclusion Criteria

  • Age 16-17 years at time of violation
  • Convicted of a moving violation
  • Possess a valid intermediate driver's license issued by the state of Ohio, with proof of car insurance
  • Access to a vehicle with an On-board Diagnostics II system port (i.e. cars made after 1996) in which he/she is the primary driver
  • Smartphone with Bluetooth capabilities
  • At least one legal guardian

Exclusion Criteria

  • Unable to drive due to injury, license suspension, or car damage
  • Vehicle already has an in-vehicle driving feedback system installed
  • Extremely low average weekly drive time (e.g. <1 hour per week)
  • Currently enrolled in another driving-related study
  • War of the State
  • Non-English speaking parent
  • Adults unable to consent
  • Pregnant women
  • Prisoners
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT04317664). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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