Can peer support help public housing residents kick the habit?
NCT ID NCT05016505
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested two approaches to help people living in public housing smoke less and reduce secondhand smoke. One approach offered one-on-one support to smokers to help them cut back or quit. The other aimed to get all residents in a building to support smoke-free rules. The study included 405 participants from buildings in Manhattan and the Bronx. Researchers measured changes in cigarettes smoked per day, cotinine levels, and secondhand smoke exposure.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- behavioral intervention (peer educator support for smoking reduction/cessation and building-level sessions)
- What this could lead to
- If successful, this could provide effective strategies to help public housing residents smoke less and reduce secondhand smoke exposure.
- What could go wrong
- This is a completed trial, but results may not apply to all housing settings. The interventions rely on voluntary participation, so effectiveness may vary.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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405 people
The number who actually took part.
- Started
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Feb 2022
- Finished
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Jul 2025
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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.
Building Inclusion Criteria: * NYCHA buildings in Manhattan \& the Bronx (stratified evenly by borough) with more than 50 units, not undergoing major renovations. Building Exclusion Criteria: * Buildings in a borough that is not in Manhattan or the Bronx * Buildings smaller than 50 units * Buildings undergoing major renovations * Buildings that are or will be part of Rental Assistance Demonstration (RAD) or Permanent Affordability Commitment Together (PACT) * Buildings that are mixed finance * Buildings that are exclusively for elderly * Buildings that are privately managed * Buildings that have other research studies ongoing Participant Inclusion Criteria: * Recruit NYCHA residents via door knocking and lobby intercepts until we reach our targeted number per group (4 smokers, 4 non-smokers in each building). * Residents will be screened for smoking status. Both smokers and non-smokers to be recruited but only one participant- smoker or a non-smoker- will be recruited per apartment. * Smoking will be defined as those that report using a cigarette or other combustible tobacco product (e.g., little cigar, cigarillo) at least 5 days in the past month. Non-smokers include never smokers and former smokers who had quit 12 months ago or earlier. * Additional eligibility criteria include individuals above 18 years old living in the building at least 5 days/week and 9 months/year, not planning on moving in the next 2 years. Participant Exclusion Criteria: * Individuals with severe physical or mental medical conditions (i.e. cognitive disability) or other factors that could limit participation or ability to give informed consent in the study at baseline or during follow-ups. * Individuals who participated in the earlier focus groups. * Individuals who only smoke non-tobacco products (e.g., marijuana).
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Columbia University Irving Medical Center
New York, New York, 10032, United States
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