Efficacy of a Smoke-Free Homes Intervention

Cessation, Smoking

Smoke-Free, Home Intervention, Cessation

The purpose of this study is to test whether the integration of a smoke-free homes intervention into the clinical guidelines for tobacco cessation can encourage sustained smoking cessation in low-income primary care patients. The intervention consists of five components, three interactive mailings and two coaching calls, focused on creating home and vehicle(s) smoking bans among smokers.

Tobacco use remains the top preventable cause of death and disease in the U.S., is a major cause of cancer and cardiovascular disease, and is responsible for 480,000 deaths per year. Recent prevalence estimates show that 15.1% of adults (36.5 million) smoke cigarettes, with significant disparities in rates by socio-economic status and race/ethnicity. Among those living below poverty, 26.1% smoked in 2015, in contrast to 13.9% living above the poverty threshold. Smoking rates are also higher among those on Medicaid (27.8%), uninsured persons (27.4%) and those living in rural areas, particularly in the South. Quitting smoking reduces premature mortality and is beneficial to health across the lifespan. The majority (68.8%) of smokers would like to quit and over half try to quit in any given year. Unfortunately, of those who try to quit, a relatively small proportion succeed. Of significance to this study, just 7% to 20% plan to quit within the next 30 days. Low-income populations, such as those served by a Federally Qualified Health Center (FQHC), are less likely to have a Smoke-Free Home (SFH). Nationally, in 2012-2013, among combustible-only tobacco users, 53.7% reported a SFH. Among those with an annual household income \<$20,000, just 37.0% had a SFH. It increased to 48.5% for smokers with an annual household income between $20,000 and $49,999, and 63% for those with annual household incomes between $50,000 and $100,000. Given that the majority of FQHC patients live in poverty, we anticipate that over 60% of FQHC patients who smoke will not yet have a SFH. This study is a randomized controlled trial with smokers from Federally Qualified Health Centers (FQHCs) in Georgia which will compare the efficacy of adding a smoke-free homes intervention to the currently recommended clinical guidelines on tobacco cessation. Participants in the intervention condition will receive the expanded Smoke-Free Homes intervention coupled with a connection to the quitline, if they are interested (the quitline is a free cessation counseling offered to all Georgia residents by the state of Georgia). The usual care/control arm will receive mailed information on the quitline immediately following the baseline interview and a connection to the quitline at their request. Follow-up will be at six and twelve months, including saliva cotinine validation for reported 7-day cessation.

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United States