CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 7,034 enrolled
Drug / intervention
ridesharing voucher +1 morebehavioral
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04949711
NCT04949711N/ACompleted

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

Columbia University·interventional·Posted Jul 2, 2021·Updated Apr 17, 2026

In Brief

A clinical study evaluating ridesharing voucher and online shopping voucher for Driving Drunk and Alcohol Drinking. Completed, enrolled 7,034 participants across 1 site.

Detailed 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.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States

Timeline

N/ACompletedFinished
20222023202420252026
First PostedJul 2, 2021
Enrollment StartMay 1, 2022
Primary CompletionMar 14, 2025
Study CompletionApr 4, 2025
TodayJul 2, 2026
Enrollment to primary: 2.9 yearsPosted 5 years ago

Interventions

ridesharing voucherbehavioral

Ridesharing vouchers will be given for completing each of the online surveys, for a possible total of $80 if you complete all three surveys. You will be paid with electronic vouchers that will be sent to your cell phone.

online shopping voucherbehavioral

Online shopping vouchers will be given for completing each of the online surveys, for a possible total of $80 if you complete all three surveys. You will be paid with electronic vouchers that will be sent to your cell phone.