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Cash for quitting: small rewards help smokers kick the habit

NCT ID NCT02737566

Disease control Sponsor: University of Oklahoma Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether offering small gift cards for quitting smoking helps low-income smokers stay smoke-free. 320 uninsured or Medicaid patients received either standard care (counseling and medication) or standard care plus financial rewards for verified abstinence. The main goal was to see if more people in the reward group were still smoke-free at 26 weeks.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
financial incentives (gift cards)
What this could lead to
If it works, this could offer a low-cost way to help more people quit smoking.
What could go wrong
The trial is small and completed; results may not apply to all smokers. Quit rates were modest.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

320 people

The number who actually took part.

Started

Jan 2017

Finished

Feb 2022

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. are currently uninsured or receiving Medicaid benefits 2. earn a score ≥ 4 on the REALM indicating \> 6th grade English literacy level 3. are willing to quit smoking 7 days from their first visit 4. are ≥ 18 years of age 5. have an expired CO level ≥ 8 ppm suggestive of current smoking 6. are currently smoking ≥ 5 cigarettes per day 7. are willing and able to attend 9 study visits. Exclusion Criteria: 1. are unwilling to quit smoking 7 days from their first visit 2. have already quit smoking 3. earn a score \<4 on the REALM indicating \< 7th grade literacy level 4. produce an expired CO level \< 8 ppm 5. are currently smoking \< 5 cigarettes per day 6. are unwilling or unable to attend study visits 7. are \< 18 years of age 8. are not uninsured or receiving Medicaid benefits

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Conditions

The condition(s) this trial relates to.

nicotine dependence Smoking Cessation

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Smoking cessation

Contacts and locations

Locations

  • TSET Health Promotion Research Center

    Oklahoma City, Oklahoma, 73104, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.