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Predictors of smoking cessation: A longitudinal study in a large cohort of smokers.

Journal article
Authors Mathias Holm
Linus Schiöler
Eva Andersson
Bertil Forsberg
Thorarinn Gislason
Christer Janson
Rain Jogi
Vivi Schlünssen
Cecilie Svanes
Kjell Torén
Published in Respiratory medicine
Volume 132
Pages 164-169
ISSN 1532-3064
Publication year 2017
Published at Institute of Medicine, Department of Public Health and Community Medicine, Section of Occupational and environmental medicine
Pages 164-169
Language en
Links dx.doi.org/10.1016/j.rmed.2017.10.0...
www.ncbi.nlm.nih.gov/entrez/query.f...
Subject categories Epidemiology, Environmental Health and Occupational Health

Abstract

There are few studies on predictors of smoking cessation in general populations. We studied the smoking cessation rate in relation to several potential predictors, with special focus on respiratory and cardiovascular disease.Smokers (n = 4636) from seven centres in Northern Europe, born between 1945 and 1973, who answered a questionnaire in 1999-2001 (the RHINE study) were followed up with a new questionnaire in 2010-2012. Altogether 2564 answered the questionnaire and provided complete data on smoking. Cox regression analyses were performed to calculate hazard ratios (HRs).A total of 999 subjects (39%) stopped smoking during the study period. The smoking cessation rate was 44.9/1000 person-years. Smoking cessation was more common with increasing age, higher education and fewer years of smoking. Asthma, wheeze, hay fever, chronic bronchitis, diabetes and hypertension did not significantly predict smoking cessation, but smokers hospitalized for ischaemic heart disease during the study period were more prone to stopping smoking (HR 3.75 [2.62-5.37]).Successful smoking cessation is common in middle-aged smokers, and is associated with few smoking years and higher education. A diagnosis of respiratory disease does not appear to motivate people to quit smoking, nor do known cardiovascular risk factors; however, an acute episode of ischaemic heart disease encouraged smoking cessation in our study population.

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