N/A
Completed N=5,856
Impacts of Subsidized Ridesharing on Drunk Driving, Alcohol Consumption, and Mobility
Driving Drunk · Alcohol Drinking
Source: ClinicalTrials.gov NCT04949711 ↗
Enrolled (actual)
5,856
Serious AEs
0.0%
Results posted
Apr 2026
Primary outcomePrimary: Number of Participants Involved in Alcohol Impaired Driving Incidents — 771; 802; 1670; 1665 Participants
Summary
The purpose of this research study is to understand people's alcohol use in public places and their risks for harm. The overall goal of this study is to test the effects of subsidized ridesharing as an intervention to reduce self-reported alcohol-impaired driving, along with alcohol consumption and changes to mobility.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Number of Participants Involved in Alcohol Impaired Driving Incidents |
771; 802; 1670; 1665 | — |
| SECONDARY Change in Number of Days in Alcohol Consumption |
3.21; 3.07; 2.83; 2.82 | — |
| SECONDARY Average Number of Trips to Alcohol Outlets |
1.12; 0.92 | — |
| SECONDARY Average Duration of Trips to Alcohol Outlets |
1.12; 0.92 | — |
| SECONDARY Change in The Drinker Inventory of Consequences Score |
0.90; 0.87; 0.70; 0.68 | — |
Eligibility Criteria
Inclusion Criteria
- ≥ 21 years old
- Reside in a study city
- Have a driver's license
- Have access to a motor vehicle
- Have consumed alcohol in a bar in the last 30 days
- Own a smartphone
- Read English
Exclusion Criteria
- Non-English speaking participants
Data sourced from ClinicalTrials.gov (NCT04949711). 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.