Columbia University Irving Medical Center
New York, 10032, United States
NCT Number: NCT05016505
This project seeks to determine the effectiveness of two types of interventions to reduce exposure to secondhand smoke in residential buildings. One intervention is geared toward all building residents (resident endorsement) and the other targets smokers (smoking reduction via relocation and reduction in personal smoking/cessation) with the goal of reducing personal smoking and secondhand smoke exposure.
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Notify Me18 year and older
All sexes
Interventional
Not applicable
New York, 10032, United States
Smoke-free housing policies in multi-unit housing are promising and increasingly widespread interventions to reduce smoking and secondhand smoke exposure. Little research has identified factors that improve compliance with smoke-free housing policies in low-income multi-unit housing and test corresponding solutions.
The proposed randomized controlled trial (RCT) addresses key gaps in knowledge and capitalizes on key scientific opportunities by: 1) leveraging the federal mandate to ban smoking in a public housing system of more than sufficient size to conduct an adequately powered RCT; 2) expanding our understanding of smoke-free policy compliance beyond policy implementation by testing two novel treatments: a) in-residence smoking cessation and b) resident endorsement, while 3) addressing population and location-specific tobacco-related disparities.
The investigators hypothesize that the relocation/cessation plus resident endorsement intervention will yield significantly larger reductions in personal smoking and secondhand smoke exposure, compared to standalone interventions and the standard approach.
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Building Inclusion Criteria:
Building Exclusion Criteria:
Participant Inclusion Criteria:
Participant Exclusion Criteria:
Individual-level. Peer educator to provide reduction/cessation and/or relocation support.
Building-level. Peer educator to conduct building-level sessions.
Time frame: Measured at baseline (in person interview), 3 months (phone interview) and 12 months (in person interview)
Self-reported average number of cigarettes smoked per day among smokers
Time frame: At baseline and at the 12-month follow-up
Salivary cotinine (saliva collected as passive drool) will be measured for 25% of the sample among smokers and non-smokers alike
Time frame: Measured at baseline (in person interview), 3 months (phone interview) and 12 months (in person interview)
Self-reported secondhand smoking exposure (hours of secondhand smoke exposure in the building in the past 7 days); among smokers & non-smokers
Time frame: Measured at baseline (in person interview), 3 months (phone interview) and 12 months (in person interview)
Binary; whether smokers have successfully quit
Time frame: Measured at baseline (in person interview), 3 months (phone interview) and 12 months (in person interview)
Mean number of quitting attempts among smokers
Time frame: Ever observing someone smoking indoors within the past 7 days measured at baseline (in person interview), 3 months (phone interview) and 12 months (in person interview)
Binary; whether participant has observed someone smoking indoors in the building; among smokers & non-smokers
Time frame: Number of hours observed someone smoking indoors within the past 7 days measured at baseline (in person interview), 3 months (phone interview) and 12 months (in person interview)
Counted number of hours of exposure
Time frame: At each building visit at baseline and 12 months
Counted number of people observed smoking in common areas
Time frame: At each building visit at baseline and 12 months
Counted number of cigarette butts observed in common areas
Columbia University
Other
A Randomized Controlled Trial to Support Smoke-Free Policy Compliance in Public Housing
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