Measuring constructs of Theory of Planned Behavior (TPB) regarding cigarette use among adolescents

AUTHORS

Mahmood Karimy 1 , Shamsaddin Niknami 2 , * , Ali Reza Heidarnia 2 , Ibrahim Hajizadeh 3

AUTHORS INFORMATION

1 Dept. of Public Health, School of Health Sciences, Arak University of Medical Sciences, Arak, Iran

2 Dept. of Health Education, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

3 Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

How to Cite: Karimy M , Niknami S, Heidarnia A R, Hajizadeh I. Measuring constructs of Theory of Planned Behavior (TPB) regarding cigarette use among adolescents , J Kermanshah Univ Med Sci. 2013 ; 16(8):e77273.

ARTICLE INFORMATION

Journal of Kermanshah University of Medical Sciences: 16 (8); e77273
Published Online: March 29, 2013
Article Type: Research Article
Received: March 14, 2012
Accepted: July 24, 2012

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Abstract

Background: Many adult smokers initiate the smoking habit during adolescence or as young adults. So prevention of cigarette use among adolescents has been recognized as an important public health priority around worldwide.  The purpose of this study was to measure Theory of Planned Behavior (TPB) constructs regarding Cigarette use among the adolescents.

Methods: This study was a cross-sectional one which was conducted on 215 adolescent (high school) students aged 14-19 in the city of Zarandieh. Data were gathered by a self-administered questionnaire that was constructed based on a literature review of research on smoking and on the TPB. Independent T-Test and logistic regression were employed to analyze the data.

  Results: 14.41% of the subjects were smokers. The TPB components (Attitude, subjective norms, outcome expectancies and perceived behavioral control) and variables like smoking friends, smoking family accounted for 42.7% of the variance in intentions. Significant differences were detected between smokers and non-smokers regarding means of score of all the variables TPB (p<0.001).

Conclusion: The results indicate that the TPB is an effective model for predicting lifetime cigarette use among adolescents; these findings may contribute to the development of tailored interventions for the prevention of smoking among adolescents.

Keywords

Theory of Planned Behavior smoking adolescent

© 2013, Journal of Kermanshah University of Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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