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NCT04867174 · ClinicalTrials.gov registry record · NA

COVID-19 Vaccination Take-Up

A NA study, sponsored by National Bureau of Economic Research.

Completed
Registry status
NA
Development phase
2,701
Enrollment target

NCT04867174: Completed NA study, sponsored by National Bureau of Economic Research.

NCT04867174 is a NA study that has completed, run by National Bureau of Economic Research. The registered enrollment target is 2,701 participants, above the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (92% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04867174, a NA study, has completed, sponsored by National Bureau of Economic Research.

COMPLETED
Registry status
NA
Development phase
2,701 participants
Enrollment target

Study Summary

In this work, the investigators are partnering with Contra Costa Health Services (CCHS), the department of health in Contra Costa County, CA, to measure COVID-19 vaccinations and other COVID-19 related preventive health behaviors in the county's Medicaid managed care population. This work will test ways to increase COVID-19 vaccine uptake. The investigators hypothesize that small financial incentives and other low-cost behavioral nudges can be used to increase vaccine uptake and reduce disparities in uptake among diverse racial/ethnic minority populations.

Primary Outcome

Percent of the population with at least one COVID-19 vaccination

Interventions

  • BEHAVIORAL Financial incentives
  • BEHAVIORAL Convenient scheduling link
  • BEHAVIORAL Race concordant
  • BEHAVIORAL Gender concordant

Trial Details

FieldValue
Enrollment Target 2,701 participants
Start Date 2021-05-24
Est. Completion 2022-05-24
Phase NA

What the finished NCT04867174 record still lists

NCT04867174 is an interventional study that assigns participants to a tested intervention. Its 2,701 participants enrollment target places it among the larger protocols in the corpus, above the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (92% higher).

The record links to 0 conditions, and to 4 interventions - of which Financial incentives is the first listed.

NCT04867174 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04867174 about?

NCT04867174 is a clinical study titled "COVID-19 Vaccination Take-Up". In this work, the investigators are partnering with Contra Costa Health Services (CCHS), the department of health in Contra Costa County, CA, to measure COVID-19 vaccinations and other COVID-19 related preventive health behaviors in the county's Medicaid managed care population. This work will test ...

What is the current status of trial NCT04867174?

This trial is currently completed. It is a NA study. The enrollment target is 2,701 participants. The study started on 2021-05-24. Estimated completion is 2022-05-24.

What interventions are being tested in trial NCT04867174?

The interventions under investigation include: Financial incentives (BEHAVIORAL), Convenient scheduling link (BEHAVIORAL), Race concordant (BEHAVIORAL), Gender concordant (BEHAVIORAL).

Who is sponsoring clinical trial NCT04867174?

This trial is sponsored by National Bureau of Economic Research, which has 14 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04867174's enrollment target sits among peer trials

2,701 44th of 2000 higher than 1,957 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04867174, the US trial registry maintained by the National Library of Medicine. NCT04867174 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.