N/A
Completed N=198
Preventing Impaired Driving Among Adolescents
Source: ClinicalTrials.gov NCT04959461 ↗Enrolled (actual)
198
Serious AEs
0.0%
Results posted
Mar 2026
Primary outcomePrimary: Alcohol and/or Cannabis Use — 8; 2; 7; 2 Participants — p=0.24
Summary
The primary goal of this project is to evaluate the efficacy of webCHAT, a single-session web-intervention, on reducing impaired driving among adolescents receiving behind-the-wheel training at driver education programs.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Alcohol and/or Cannabis Use |
8; 2; 7; 2; 4; 2 | 0.24 |
| SECONDARY Driving Under the Influence |
2; 3 | 0.63 |
| SECONDARY Riding With Impaired Driver |
9; 3; 6; 0; 0; 0 | 0.12 |
| SECONDARY Perceived Descriptive Norms |
45; 55; 36; 48; 26; 36 | 0.004 sig |
Eligibility Criteria
Inclusion Criteria
- 15.5-17 year olds enrolled in driver education school
- Access to a computer or smartphone
- Within one month of taking their driver's licensing exam
Exclusion Criteria
- Under 15.5 or over 17 years old
- Not enrolled in one of the participating schools
- Non-English speaking
Data sourced from ClinicalTrials.gov (NCT04959461). 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. Informational only — not medical advice.