Effectiveness of individual counseling for smoking cessation in smokers with chronic obstructive pulmonary disease and asymptomatic smokers

Chen,Juan; Chen,Yan; Chen,Ping; Liu,Zhijun; Luo,Hong; Cai,Shan

doi:10.3892/etm.2013.1463

Effectiveness of individual counseling for smoking cessation in smokers with chronic obstructive pulmonary disease and asymptomatic smokers

Authors:
- Juan Chen
- Yan Chen
- Ping Chen
- Zhijun Liu
- Hong Luo
- Shan Cai
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Affiliations: Department of Radiology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China, Department of Internal Medicine, Division of Respiratory Disease, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, P.R. China
Published online on: December 27, 2013 https://doi.org/10.3892/etm.2013.1463
Pages: 716-720

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Abstract

Few studies have examined the effect of individual counseling for smoking cessation in China. The present study evaluated the efficacy of individual counseling in patients with chronic obstructive pulmonary disease (COPD) and asymptomatic smokers. This prospective randomized study evaluated 85 smokers with COPD and 105 asymptomatic smokers with normal lung function. The individuals were randomly allocated to intervention and control groups. Subjects in the intervention group were provided with individual cognitive counseling based on face‑to‑face individual consultation, self‑help materials and nine telephone follow‑ups. Subjects in the control group were provided with simple smoking cessation advice. The smoking status for all subjects and the St. George's Respiratory Questionnaire (SGRQ) for COPD patients were assessed at baseline, week 4 and month 6. The COPD patient exacerbations during the 6 months were recorded. In the total study population, individual counseling resulted in higher abstinence rates compared with those in the control: Intervention vs. control, 23.4 vs. 10.4% (P=0.007), respectively. Similar results were observed in the smokers with COPD: Intervention vs. control, 40.5 vs. 18.6% (P=0.027), respectively. However, for asymptomatic smokers, the effect of individual counseling was identified to be statistically insignificant: Intervention vs. control, 9.6 vs. 3.8% (P=0.230), respectively. SGRQ scores and COPD exacerbations were significantly improved in patients who abstained from smoking compared with those in the patients who failed to stop smoking. Airway obstruction, quitting motivation and individual counseling were predictors associated with smoking cessation. Airway obstruction was the most significant predictor of smoking cessation (odds ratio, 4.215; 95% confidence interval, 2.215‑7.865). The results of the present study show that individual counseling is an effective method for smoking cessation, particularly in COPD patients. However, its efficacy in asymptomatic smokers requires confirmation in further studies.

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