Smoke-free Home Study in Subsidized Housing

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

544 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-07-12

Study Completion Date

2027-08-31

Brief Summary

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Comprehensive smoke-free policies have the potential to substantially reduce tobacco-related disparities among populations in subsidized housing. This study fills this gap by identifying approaches to increase the implementation of smoke-free policies in all types of subsidized housing by increasing the voluntary adoption of smoke-free homes and promoting access to smoking cessation services.

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Detailed Description

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OBJECTIVES:

The investigators will build on previous studies, where a smoke-free home intervention to increase voluntary adoption of smoke-free homes in permanent supportive housing for formerly homeless adults was developed and evaluated.

Aim 1: To estimate the effect of our adapted smoke-free home intervention on the primary outcome of residents' voluntary adoption of smoke-free homes and the secondary outcome of biochemically-verified tobacco abstinence at 6-months follow-up.

Aim 2: To determine the cost of our adapted smoke-free home intervention and determine whether it is a cost-effective use of health care resources.

Aim 3: To evaluate variation in stakeholders' perspectives on the adapted smoke-free home intervention's adaptability, scalability and sustainability.The proposed intervention can expand access to smoke-free policies and smoking cessation services in subsidized housing, thereby reducing racial/ethnic disparities in tobacco use, tobacco exposure and chronic disease in these populations.

OUTLINE:

A wait-list cluster randomized controlled trial of the adapted smoke-free home intervention compared to usual care among residents from subsidized housing sites in Northern California. Participants from twenty-four subsidized housing sites will be randomized into intervention and waitlist control arms

Conditions

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Tobacco Dependence Tobacco Smoking

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Cluster randomized controlled groups

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Intervention

The study's investigators will train bilingual study staff to deliver the intervention to residents using a script that matches the content in the smoke-free home intervention pamphlet. The in-person delivery of the intervention and pamphlet will be the primary modes of intervention delivery to residents. The pamphlet will include: (1) the harms of tobacco, e-cigarette use, cannabis use and exposure (secondhand and thirdhand), (2) an exercise to calculate personal cost of tobacco use, (3) benefits of a smoke-free home, (4) skill-building on how to adopt a smoke-free home, and (5) motivational language on smoke-free home adoption. The study staff will qualitatively assess participants' knowledge by prompting questions on the topics covered and will refer participants to lay-health workers (LHWs) for one-on-one coaching. Participants will receive a pledge to designate their homes smoke-free.

Group Type EXPERIMENTAL

Smoke-free home resident intervention

Intervention Type BEHAVIORAL

Study staff delivered intervention on how to adopt a smoke free home using a pamphlet

Lay Health Worker coaching

Intervention Type BEHAVIORAL

Brief tobacco cessation coaching by lay health worker housing staff with residents within 2 weeks of the smoke-free home resident intervention, and on a monthly schedule as part of their routine encounters with residents (total 6 sessions).

Waitlist Control Group

The current standard of care does not include any interventions for smoke-free home adoption or referrals to tobacco treatment resources. At the end of the primary endpoint (6 months), control participants will be offered the intervention.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Smoke-free home resident intervention

Study staff delivered intervention on how to adopt a smoke free home using a pamphlet

Intervention Type BEHAVIORAL

Lay Health Worker coaching

Brief tobacco cessation coaching by lay health worker housing staff with residents within 2 weeks of the smoke-free home resident intervention, and on a monthly schedule as part of their routine encounters with residents (total 6 sessions).

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

Eligible resident participants

* Current smokers defined as:

* Smoked at least 100 cigarettes in lifetime
* Smoked daily in the past 7 days, and at least 5 cigarettes per day, verified by expired CO ≥ 5 parts per million \[ppm\] Smokerlyzer CO+ monitor),
* Smoke in their home
* Expect to live in the subsidized housing site for at least 12 months
* Age ≥ 18 years
* Speak Chinese (Cantonese or Mandarin), English, Spanish, or Vietnamese
* Able to provide informed consent.