Factors associated with current smoking in COPD patients: A cross-sectional study from the Eastern Black Sea region of Turkey
Künye
Karadoğan, D., Önal, O., Şahin, D. S., & Kanbay, Y. (2018). Factors associated with current smoking in COPD patients: A cross-sectional study from the Eastern Black Sea region of Turkey. Tobacco induced diseases, 16.Doi: 10.18332/tid/90665Özet
INTRODUCTION Even though smoking is a major reason for the development and
progression of chronic obstructive pulmonary disease (COPD)-and quitting
smoking is the only way to stop its progression-a significant number of smokers
still continue to smoke after being diagnosed with COPD. The aim of this study
is to compare the clinical and demographic characteristics of COPD patients who
are current and former smokers and to find factors associated with their current
smoking status.
METHODS For this study, data were collected between June 2015 and August 2016;
COPD patients who had been regularly visiting Hopa State Hospital’s outpatient
clinic over the last year or longer were included. Their demographic, clinical
and functional data were recorded. Patients completed a pulmonary function
test, six-minute walk test (6-MWT), COPD assessment test (CAT), and modified
Medical Research Council (mMRC) dyspnea scale. Comparisons were then
made according to their smoking status.
RESULTS In total 100 patients were included in the study; with a mean age of
63.4±10.7 years and mostly males (94%). Regarding smoking status, 49% were
current smokers and 51% were former smokers. Multivariate logistic regression
analysis revealed that current smoking was negatively associated with age (odds
ratio, OR=0.93, 95% confidence interval, CI=0.88–0.96) and Global Initiative
for Chronic Obstructive Lung Disease (GOLD) stage (OR=0.32, 95% CI=0.13–
0.79), and was positively associated with six-minute walk distance (OR =1.005,
95% CI=1.001–1.009) and CAT score (OR=1.07, 95% CI=1.009–1.13).
CONCLUSIONS Nearly half of the COPD patients in the study continued smoking
even after having been diagnosed with COPD. The younger patients, with better
lung function, better exercise capacity and poor quality of life were associated
with current smoking.