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Analysis of Weight Control in Korean Adolescents Using the Transtheoretical Model

The purpose of this study was to identify the stages of change, the processes of change, and the decisional balance for weight control, self-efficacy, and other weight control—related variables and to determine the significant factors explaining movements between the stages of change in Korean adolescents. A total of 475 adolescents completed questionnaires and anthropometric measures. The majority of the adolescents were in the precontemplation (42.1%) and contemplation (43.0%) stages. The benefits of weight control (pros), desire for weight change, perceived body shape, and past experience with weight control increased the odds ratio of movement from precontemplation to contemplation. Stimulus control, self-reevaluation, regular exercise, and past experience of weight control significantly influenced the movement to action and maintenance from contemplation. The study results suggest that weight control programs should emphasize significant factors to help adolescents move through the stages of change.