Addictive behaviors · 2016
Appeal of electronic cigarettes in smokers with serious mental illness.
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Pratt Sarah I, Sargent James, Daniels Luke, Santos Meghan M, Brunette Mary
Аннотация
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.
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.