ClinicalTrials.gov record
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impacts of Subsidized Ridesharing on Drunk Driving, Alcohol Consumption, and Mobility

ClinicalTrials.gov ID: NCT04949711

Public ClinicalTrials.gov record NCT04949711. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 18, 2026, 10:41 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID
NCT04949711
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Columbia University
Other
Enrollment
7,034 participants

Conditions and interventions

Interventions

  • online shopping voucher Behavioral
  • ridesharing voucher Behavioral

Behavioral

Eligibility (public fields only)

Age range
21 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 30, 2022
Primary completion
Mar 13, 2025
Completion
Apr 3, 2025
Last update posted
Apr 16, 2026

2022 – 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Columbia University Irving Medical Center New York New York 10032

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04949711, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 16, 2026 · Synced May 18, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04949711 live on ClinicalTrials.gov.

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