Abstract
ABSTRACT Objective The study investigated the smoking distribution of adolescents, examined the differences in the TTM constructs (self-efficacy, pros, cons, and cognitive processes of changes, and behavioral processes of changes) by the stages of smoking, and tested the relationship between smoking and the TTM constructs. Methods The participants included 932 secondary school students ranging from 7th to 12th grade (males: 505, females: 427) in Nowon-gu, Seoul. Four Korean-version questionnaires were used to identify the stages of smoking behavior and the TTM constructs. Results Adolescents’ smoking behavior differed according to gender. In addition, behavioral and cognitive processes of change, self-efficacy, and pros significantly differed across the stages of smoking behavior, and the TTM constructs had a significant impact on smoking behavior. Conclusions This study could spawn the development of theory-based and empirically supported smoking cessation strategies and programs directed toward adolescents in the public health and health care settings.
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