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Reliability and construct validity of knowledge, attitude and practice of medical doctors on smoking cessation guidelines

Md Aris, Mohd Aznan and Nik Mohamed, Mohamad Haniki and Mohd Rus, Razman and Jamani, Nurjasmine Aida and Shalihin, Mohd Shaiful Ehsan (2016) Reliability and construct validity of knowledge, attitude and practice of medical doctors on smoking cessation guidelines. International Medical Journal Malaysia, 15 (Supplement issue). p. 14. ISSN 1823-4631

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Abstract

Prevalence of active smokers in Malaysia is increasing despite availability of stop smoking clinics. Thus, practice of the healthcare professionals in providing smoking cessation intervention needs to be assessed. This study aimed to develop and validate a questionnaire to assess the knowledge, attitude and practice of medical doctors on national smoking cessation guidelines and factors contributing to the score. Methods: The 26 items consists of mixture of true/false questions; strongly-agree/agree/don’t-know/disagree/strongly-disagree response; and always/frequent/seldom/never response were created based on domain of 5A’s (ask, assess, advice, assist, arrange) and 5R’s (relevant, risks, rewards, roadblocks, repetitions). The questionnaires were distributed to 141 medical doctors. Reliability was determined using Cronbach’s alpha for internal consistency while construct validity was assessed using factor analysis. Results: A high degree of internal consistency was observed for this 26 items (Cronbach’s alpha= 0.824). Subsequently, 2 items with poor inter-item correlations were removed. Factor analysis extracted 7 meaningful components from this remaining 24 items, in which 3 components with least items were deleted due to overlapping subscale with other components, leaving 4 meaningful components of (1st) practice ask, advice, assess and practice 5R’s, (2nd) practice of assist and arrange for those willing to quit, (3rd) knowledge and (4th) attitude. These final 17 items still demonstrate high internal consistency with Cronbach’s alpha of 0.832. Conclusions: This study indicates that this questionnaire is a reliable and valid tool to assess the knowledge, attitude and practice on stop smoking guidelines. I

Item Type: Article (Meeting Abstract)
Additional Information: 4632/53624
Uncontrolled Keywords: smoking, reliability and validity
Subjects: R Medicine > R Medicine (General)
R Medicine > RS Pharmacy and materia medica
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Medicine
Kulliyyah of Medicine > Department of Community Medicine (Effective: 1st January 2011)
Kulliyyah of Medicine > Department of Family Medicine (Effective: 1st January 2011)
Kulliyyah of Pharmacy
Kulliyyah of Pharmacy > Department of Pharmacy Practice
Depositing User: Dr Mohd Shaiful Ehsan Shalihin
Date Deposited: 15 Dec 2016 10:49
Last Modified: 11 Oct 2018 10:01
URI: http://irep.iium.edu.my/id/eprint/53624

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