Background: There is limited information about the relationship between extraversion, as a personality trait, and the modes of tobacco smoking. The aim of this study was to investigate the relationships… Click to show full abstract
Background: There is limited information about the relationship between extraversion, as a personality trait, and the modes of tobacco smoking. The aim of this study was to investigate the relationships between extraversion and cigarette and water-pipe smoking among a representative sample of Iranian high school students. Methods: A sample of 2,312 tenth-grade students in Tabriz (Northwest of Iran) was selected through multistage proportional cluster sampling. Participants completed a self-administered questionnaire including information on cigarette smoking, water-pipe smoking, extraversion, socioeconomical information, as well as demographic characteristics. An ordinal logistic regression model was used for data analysis. Results: In total, 4.2% and 3.5% of the students were regular cigarette and water-pipe smokers, respectively. The adjusted odds ratios were 1.10 (95% CI: 1.04–1.15, P < 0.001) and 1.10 (95% CI: 1.06–1.15, P < 0.001) for the relationships between extraversion and the stages of cigarette smoking and water-pipe smoking status, respectively. Conclusions: It seems that extraversion is in a positive relationship with a cigarette and water-pipe smoking among adolescents. Longitudinal studies are needed to examine the effect of this personality trait on the modes of tobacco smoking and the transition in the stages of cigarette and water-pipe smoking in adolescents.
               
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