CClinicalTrials.gg
CompletedNCT04791722Updated Nov 16, 2021

Optimizing Smoke-free Residential Housing Policies

An interventional study of Adaptive Intervention in Smoking, Tobacco, Second Hand Tobacco Smoke and Smoking Cessation, sponsored by Harvard School of Public Health (HSPH). Completed at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2021-11-16.

Sponsored by Harvard School of Public Health (HSPH) · Not applicable, Interventional, and Prevention

From the registry’s dates

  • Registered 1 year 9 months after the study started (first participant enrolled May 2019, registered Feb 2021).
Phase
Not applicable
Study type
Interventional
Enrollment
386
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

This project will be conducted to investigate activities on housing-related health and safety issues. The focus of this project is the development of evidence-based approaches to implement smoke-free policies to reduce harms associated with exposure to secondhand smoke (SHS).

Read the detailed description

Chronic exposure to secondhand smoke (SHS) is a major health concern for public housing residents. While the prevalence of adult cigarette smoking in the United States has declined to 15.1% in 2015, recent data show that 34% of public housing residents still smoke. A federal rule issued by HUD now requires Public Housing Agencies (PHAs) to adopt a smoke-free policy to reduce SHS exposure. However, no evidence-based approaches are available to support post-adoption implementation by PHAs to ensure that the rule yields optimal benefits for residents. This research gap also applies to the larger population of affordable housing properties that are likely to adopt smoke-free rules in the future. The focus of this research is the development of evidence-based approaches to implement smoke-free policies to reduce harms associated with exposure to secondhand smoke (SHS).

The investigators will use six key implementation strategies identified in earlier research on the experiences of early-adopter PHAs. The investigators will partner with a for-profit affordable housing management company that recently expanded its portfolio with the acquisition of 55 affordable housing properties in Pennsylvania, Ohio, West Virginia, Virginia and Kentucky. This provides a unique opportunity to address the implementation research gap, because these properties are in geographic locations where the smoking rate is close to twice the national smoking rate. The for-profit affordable housing management company has committed to adopting a smoke-free policy in these properties, to go into effect in early 2020.

Using an established implementation science framework to guide the approach, the investigators will work with property managers and staff of properties located in five high-smoking states to strategically incorporate the six implementation strategies to reduce SHS exposure among affordable housing residents. The findings will provide accessible, practical, and effective evidence for property managers and staff to support ongoing efforts to optimize the impact of a smoke-free residential policy. The investigators will test this approach in a geographic region with high smoking rates and a disproportionate burden of tobacco-related mortality, covering western Pennsylvania, southern Ohio, West Virginia, Virginia and Kentucky.

02

Conditions studied

  • Smoking, Tobacco
  • Second Hand Tobacco Smoke
  • Smoking Cessation
03

In context

Lead sponsor

Harvard School of Public Health (HSPH) is the lead sponsor of 150 studies on the registry; 9 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Property Manager Inclusion Criteria:

  • Property Manager (or designated appointee) at one of the 12 selected sites implementing a smoke-free policy

Property Manager Exclusion Criteria:

  • None

Resident Inclusion Criteria:

  • Aged 18 and over
  • A resident of the housing development (12 selected sites) implementing the smoke-free policy

Resident Exclusion Criteria:

  • Unable/unwilling to complete surveys
05

Study design

Phase
Not applicable
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Sequential assignment
Masking
None (open label)
Enrollment
386 participants (actual)

Study arms

  • Active comparator
    Wave 1

    Properties in Wave 1 (n=4) will implement a smoke-free policy on January 1, 2020.

    Behavioral: Adaptive Intervention

  • Experimental
    Wave 2

    Properties in Wave 2 (n=4) will implement a smoke-free policy on May 1, 2020.

    Behavioral: Adaptive Intervention

  • Experimental
    Wave 3

    Properties in Wave 3 (n=4) will implement a smoke-free policy on October 1, 2020.

    Behavioral: Adaptive Intervention

Interventions

  • BehavioralAdaptive Intervention

    The investigators will conduct an adaptive intervention using six key implementation strategies identified in earlier research on the experiences of public housing authorities adopting a smoke-free housing policy: resident engagement, smoking cessation support, smoker compliance strategies, smoke-free policy enforcement, staff training and community partnership development. The implementation approach will be tailored for each property by varying the order and intensity of smoke-free policy implementation approaches. The design will determine the optimal plan for utilizing the six implementation strategies by learning from the challenges and successes of other properties (previous waves) and providing support to property managers to refine an implementation plan.

06

What researchers measure

Primary outcomes

  1. Ambient secondhand smoke (SHS) in common indoor areas

    SHS will be monitored using a passive nicotine dosimeter and measured in units of µg/m3 of airborne nicotine. Monitors will be placed in three common areas of each property.

    Time frame: Baseline (prior to smoke-free policy implementation); 1 month post smoke-free policy implementation; 12 months post smoke-free policy implementation

  2. Self-reported exposure to secondhand smoke (SHS)

    Self-reported exposure to secondhand smoke (smell or sight) in the home or around the property using the questions: Over the past month: how many times did you smell cigarette smoke that came from another apartment or hallway?/ how many times did you smell cigarette smoke anywhere on the property? Measured by resident self-report on the survey.

    Time frame: Baseline (prior to smoke-free policy implementation); 1 month post smoke-free policy implementation; 7 months post smoke-free policy implementation

Secondary outcomes

  1. Resident attitude (support) for the smoke-free policy

    Self-reported attitude on resident survey

    Time frame: Baseline (prior to smoke-free policy implementation); 1 month post smoke-free policy implementation; 7 months post smoke-free policy implementation

  2. Resident knowledge of the smoke-free policy

    Self-reported knowledge on resident survey

    Time frame: Baseline (prior to smoke-free policy implementation); 1 month post smoke-free policy implementation; 7 months post smoke-free policy implementation

  3. Smoking behavior (cigarettes/day in the past 30 days).

    Self-reported smoking behavior on resident survey

    Time frame: Baseline (prior to smoke-free policy implementation); 1 month post smoke-free policy implementation; 7 months post smoke-free policy implementation

07

Study locations

1 site
  • Harvard TH Chan School of Public Health
    Boston, Massachusetts 02115, United States
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 16, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04791722
Lead sponsor
Harvard School of Public Health (HSPH)
Responsible party
Vaughan Rees (Director, Center for Global Tobacco Control, Harvard School of Public Health (HSPH)) — Principal investigator
First posted
Mar 10, 2021
Start date
May 20, 2019
Primary completion
Nov 1, 2021
Completion
Nov 1, 2021
Last update
Nov 16, 2021

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Nov 2021. You cannot join it, but the record below documents what was studied.

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