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Logo of brjgenpracRCGP homepageJ R Coll Gen Pract at PubMed CentralBJGP at RCGPBJGP at RCGP
 
Br J Gen Pract. Oct 1, 2006; 56(531): 768–774.
PMCID: PMC1920717
A randomised controlled trial of motivational interviewing for smoking cessation
Raimundo Soria, MBBS, Almudena Legido, MBBS, Concepión Escolano, MBBS, and Ana López Yeste, MBBS
Albacete, Zone I Health Centre, Spain
Julio Montoya, MBBS
Albacete, Zone IV Health Centre, Spain
Address for correspondence Almudena Legido, Calle los Refranes no 17, Albacete, Spain. E-mail: allegido17/at/hotmail.com
Received June 15, 2005; Revised January 4, 2006; Accepted April 12, 2006.
Abstract
Background
Motivational interviewing is a technique used to promote change in addictive behaviour, initially used to treat alcoholism. Despite this, its effectiveness has not been sufficiently demonstrated for giving up smoking.
Aim
The aim of the study was to establish whether motivational interviewing, compared with anti-smoking advice, is more effective for giving up the habit.
Design of study
Randomised controlled trial.
Setting
Primary care in Albecete, Spain.
Method
Random experimental study of 200 smokers assigned to two types of interventions: anti-smoking advice (n = 86) and motivational interviewing (n = 114). Subjects in both groups were offered bupropion when nicotine dependency was high (Fagerström score >7). The success rate was evaluated by intention to treat; point prevalence abstinence was measured 6 and 12 months post intervention by personal testimony, confirmed by means of CO-oximetry (value < 6ppm).
Results
The measure of effectiveness of the treatment for giving up smoking after both 6 and 12 months, showed that the motivational interviewing action was 5.2 times higher than anti-smoking advice (18.4 % compared to 3.4%; 95% confidence interval = 1.63 to 17.13).
Conclusion
The results of our study show that motivational interviewing is more effective than brief advice for giving up smoking.
Keywords: clinical trial, motivation, motivational interviewing, psychological techniques, smoking, treatment effectiveness
Articles from The British Journal of General Practice are provided here courtesy of
Royal College of General Practitioners