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Link to original content: https://pubmed.ncbi.nlm.nih.gov/15916256/
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Clinical Trial
. 2005 Mar;37(1):105-8.
doi: 10.1080/02791072.2005.10399753.

Seven year follow-up of smoking cessation with smokeless tobacco

Ken Tilashalski  1 , Brad Rodu, Philip Cole
Affiliations
Clinical Trial

Seven year follow-up of smoking cessation with smokeless tobacco

Ken Tilashalski et al. J Psychoactive Drugs. 2005 Mar.

Abstract

This study evaluated the tobacco use status of 63 subjects seven years after enrollment in a single-intervention smoking cessation study employing smokeless tobacco (SLT) as a nicotine substitute. Information about tobacco use and cessation attempts was obtained in interviews. The duration of follow-up and of smoke-free periods were derived from the date of the subject's enrollment and were expressed as person-years (p-y). Because the study focused on the use of SLT for smoking cessation, subjects who used SLT to quit were invited to return for verification (less than 10 parts per million of carbon monoxide in expired air). Follow-up was completed on 62 of 63 original subjects, classified according to tobacco use status at the end of the initial study. Of the 16 subjects who had quit smoking using SLT at one year, 12 were smoke-free at seven years. For all 16 subjects there was 106 p-y of follow-up, 97 (92%) of which were smoke-free. Of six subjects who had quit smoking at one year by a means other than SLT, four were smoke-free at seven years. This entire group had 42 p-y of follow-up, 34 (81%) of which were smoke-free. Of the 41 subjects who were smoking at one year, 12 had quit smoking by the seven-year mark, three of these subjects by using SLT. Total follow-up for this group was 284 p-y, of which 26 (9%) were smoke-free. Although the study is small, the long-term success rate of this pilot trial compares favorably with other cessation studies.

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