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Development and application of culturally appropriate decision aids for smoking cessation in Korea: a pragmatic clustered randomization crossover trial

Authors Lee JE, Shin DW, Suh B, Chun S, Nam YS, Cho B

Received 6 June 2016

Accepted for publication 25 July 2016

Published 22 September 2016 Volume 2016:10 Pages 1929—1936

DOI https://doi.org/10.2147/PPA.S114387

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Akshita Wason

Peer reviewer comments 2

Editor who approved publication: Dr Johnny Chen

Ji Eun Lee,1 Dong Wook Shin,1–3 Beomseok Suh,1 Sohyun Chun,4 You-Seon Nam,3 Belong Cho1,2

1Department of Family Medicine, Health Promotion Center, 2Laboratory of Health Promotion and Health Behavior, Biomedical Research Institute, Seoul National University Hospital, 3JW Lee Center for Global Medicine, Seoul National University College of Medicine, 4International Health Services, Samsung Medical Center, Sungkyunkwan University College of Medicine, Seoul, Republic of Korea

Introduction:
In Asian countries, reluctance to seek pharmacological intervention is a major barrier for smoking cessation. Culturally appropriate decision aids are expected to help people in the decision making for the use of smoking cessation medication.
Objective: The aim of this study was to develop a culturally tailored decision aid for smoking cessation and evaluate its effect on the use of smoking cessation medication.
Patients and methods: A 7-minute video on smoking cessation information and options was developed. Physicians were randomized into intervention and control groups. The decision aid was provided to patients in the intervention group, and they watched it, while those in the control group were provided usual medical care for smoking cessation. The primary outcome was the proportion of smokers who were prescribed smoking cessation medication within 1 month after consultation. The secondary outcomes were abstinence rate and use of smoking cessation medication within 6 months. A logistic regression analysis was used to assess the effect of the decision aid on the outcomes.
Results:
In total, 414 current smokers (intervention group: 195; control group: 219) were enrolled. The mean age of the participants was 48.2 years, and 381 subjects (92%) were males. In total, 11.8% of the participants in the intervention group and 10.5% in the control group were prescribed smoking cessation medications within 1 month. The odds ratio was 1.02 (95% CI: 0.40–2.63) after adjustment for baseline characteristics. Within 6 months, 17.4% of the participants in the intervention group and 15% in the control group were prescribed medication (adjusted odds ratio 1.12, 95% CI: 0.59–2.13).
Conclusion: The culturally tailored smoking cessation decision aid developed in this study did not show a significant impact on the decision to use smoking cessation medication. Further research to develop more effective and more interactive interventions is expected.

Keywords: smoking, clustered randomized trial, decision aids, Korea

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