licença: Creative Commom

Stages of behavior change and physical activity barriers in morbid obese subjects Estágios de mudança de comportamento e barreiras para a atividade física em obesos mórbidos Abstract – The objective of this study was to identify the stages of behavior change (SBC) in physical activity and the prevalence of barriers to physical activity in morbid obese subjects before (retrospective) and after bariatric surgery. An interview was conducted with 30 patients of both gender ranging in age from 23 to 61 years (39.4 ± 10.5 years), who underwent bariatric surgery at the University Hospital of the Federal University of Santa Catarina, Florianópolis. Descriptive statistics and the nonparametric McNemar test were used for data analysis, with the level of significance set at 5%. Most subjects were women (80.0%), married (73.3%), received three minimal wages (53.5%), and had incomplete el-ementary school (50.0%). The mean body mass index was 46.9 ± 6.39 kg/m2 before surgery and 32.4 ± 6.09 kg/m2 after surgery. Analysis of SBC showed that 40.0 % of the subjects were in the contemplation stage, 20.0 % in the preparation stage, 23.3 % in the action stage