Efficacy of Brief MI Delivered Via Mobile Instant Messaging to Help Unmotivated Smokers With Chronic Diseases to Quit

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Smoking plays a causal role in the development of chronic diseases and may increase the risk of disease progression or recurrence, elevate the risk of mortality, and reduce the efficacy of treatment for disease sufferers. However, a majority of smokers with chronic diseases are unmotivated, having n...

Smoking plays a causal role in the development of chronic diseases and may increase the risk of disease progression or recurrence, elevate the risk of mortality, and reduce the efficacy of treatment for disease sufferers. However, a majority of smokers with chronic diseases are unmotivated, having no intention to quit. These characteristics underscore the critical need for appropriate and effective smoking cessation interventions targeting this population. Nevertheless, most existing smoking cessation services are generic, and none seems to target smokers suffering from chronic diseases. A systematic review indicated that no study had yet examined the efficacy of a smoking cessation intervention designed specifically for unmotivated smokers with chronic diseases. Though MI was effective in promoting smoking cessation among the general population, was not effective for smokers with chronic diseases, who as has been seen tend to be unmotivated smokers. Brief MI, accordingly, is better suited to reaching these smokers in clinical settings, but the application of this approach to smoking cessation contexts has not been well studied. The proposed intervention will be designed to promote smoking cessation among unmotivated smokers with chronic diseases. To reduce the influence of the participants' baseline characteristics on the efficacy of the intervention, this study will be designed to motivate them to change a selected unfavourable behaviour as a means to reduce their resistance to the intervention. The foot-in-the-door technique served both to facilitate the recruitment for the study and to enhance the participants' compliance with the intervention, in the latter case by promoting change in their selected unfavourable behaviour as a preliminary to further change. The rationale is that a small successful step increases readiness to take a further, larger step, in this case, smoking cessation. Given that the exponential growth in the number of users of mobile instant messaging tools, they represent a resource for efforts to promote health and enhance treatment compliance. These were among the considerations that informed the development in this study of an intervention using brief MI delivered by mobile instant messaging tools to facilitate smoking cessation among unmotivated smokers with chronic diseases.

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