Objectives: To develop a scale to measure willingness to accept secondhand smoke (SHS) exposure, and to assess its psychometric properties. Methods: We sent a questionnaire containing items on willingness to accept SHS exposure to a convenience sample of 420 senior dental
students for self-administration. We assessed the internal consistency of the scale using Cronbach's alpha. Principal component analysis was used to identify scale components. Results: A total of 338 students completed the questionnaire (80.5%). Of those, 96% reported exposure to SHS.
Cronbach's alpha was .87 for the 13-item scale, indicating good internal consistency. The mean (SD) score (aggregate measure) for the 13-item scale was 46.8 (21.1). Principal component analysis revealed a structure with 3 components: unwillingness to accept SHS exposure, routine willingness
to accept SHS exposure, and willingness to accept SHS exposure when avoidance is difficult. Mean scores differed significantly according to smoking status, providing initial support for the scale construct validity. Conclusions: The multicomponent, 13-item scale was a valid and reliable
measure of willingness to accept SHS exposure. If validated in other populations, it might be useful in planning and evaluating tobacco prevention programs in these populations.
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PRINCIPAL COMPONENT ANALYSIS;
Document Type: Research Article
Assistant Professor, Department of Dental Public Health, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia;, Email: [email protected]
Assistant Professor, Department of Orthodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
Publication date: 01 November 2015
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The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.
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