Sarah I Pratt1, James Sargent2, Luke Daniels3, Meghan M Santos4, Mary Brunette5. 1. Department of Psychiatry, The Geisel School of Medicine at Dartmouth, Hanover, NH, United States. Electronic address: sarah.i.pratt@dartmouth.edu. 2. Department of Pediatrics, The Geisel School of Medicine at Dartmouth, Hanover, NH, United States. 3. Department of Psychiatry, The Geisel School of Medicine at Dartmouth, Hanover, NH, United States. 4. Department of Community and Family Medicine, The Geisel School of Medicine at Dartmouth, Hanover, NH, United States. 5. Department of Psychiatry, The Geisel School of Medicine at Dartmouth, Hanover, NH, United States; Department of Community and Family Medicine, The Geisel School of Medicine at Dartmouth, Hanover, NH, United States.
Abstract
INTRODUCTION: Up to 75% of people with serious mental illness (SMI) smoke, and most are highly dependent on nicotine, consuming more cigarettes per day than smokers without mental illness. Even with evidence-based treatment, relapses are common, resulting in high morbidity and early mortality from tobacco-related diseases. Electronic cigarettes (e-cigarettes) are theoretically safer because they deliver no tar or carbon monoxide; however, their appeal is largely untested in people with SMI. METHODS: We enrolled 21 chronic smokers with SMI who had failed a quit attempt and were not engaged in cessation treatment. Research staff provided e-cigarettes and instructions on how to use them, and assessed participants weekly for 4weeks. RESULTS: Of the enrolled participants, 19 completed weekly assessments. From baseline to the final study visit, mean self-reported use of combustible tobacco declined from 192 to 67cigarettes/week (t=3.62, df=17, p=0.005), confirmed by reduction in breath carbon monoxide from 27ppm to 15ppm (t=3.246, df=18, p=0.004). Use of e-cigarettes did not escalate over the 4weeks. Temporary and mild side effects, including dry/sore throat, nausea, dizziness, and cough, were reported by 58% of participants. End of trial ratings of enjoyment, satisfaction compared to regular cigarettes, and willingness to buy e-cigarettes were high (ranging from 3.82-4.51 on a 5-point scale). CONCLUSIONS: Results of this study suggest that people with SMI may find e-cigarettes an appealing substitute for combustible cigarettes. We found no evidence of increasing nicotine dependence. Further randomized studies are needed to better assess e-cigarette appeal and toxicity.
INTRODUCTION: Up to 75% of people with serious mental illness (SMI) smoke, and most are highly dependent on nicotine, consuming more cigarettes per day than smokers without mental illness. Even with evidence-based treatment, relapses are common, resulting in high morbidity and early mortality from tobacco-related diseases. Electronic cigarettes (e-cigarettes) are theoretically safer because they deliver no tar or carbon monoxide; however, their appeal is largely untested in people with SMI. METHODS: We enrolled 21 chronic smokers with SMI who had failed a quit attempt and were not engaged in cessation treatment. Research staff provided e-cigarettes and instructions on how to use them, and assessed participants weekly for 4weeks. RESULTS: Of the enrolled participants, 19 completed weekly assessments. From baseline to the final study visit, mean self-reported use of combustible tobacco declined from 192 to 67cigarettes/week (t=3.62, df=17, p=0.005), confirmed by reduction in breath carbon monoxide from 27ppm to 15ppm (t=3.246, df=18, p=0.004). Use of e-cigarettes did not escalate over the 4weeks. Temporary and mild side effects, including dry/sore throat, nausea, dizziness, and cough, were reported by 58% of participants. End of trial ratings of enjoyment, satisfaction compared to regular cigarettes, and willingness to buy e-cigarettes were high (ranging from 3.82-4.51 on a 5-point scale). CONCLUSIONS: Results of this study suggest that people with SMI may find e-cigarettes an appealing substitute for combustible cigarettes. We found no evidence of increasing nicotine dependence. Further randomized studies are needed to better assess e-cigarette appeal and toxicity.
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