Tracking of physical activity and sedentary behavior of adolescents in different domains
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2022-01-01
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This study aimed to verify the tracking of physical activity and sedentary behavior in different domains during adolescence. This longitudinal study involved 265 subjects (boys: 52.8%) with an initial mean age of 13.9 (± 1.2) years. Physical activity and sedentary behavior were verified using a questionnaire. The achievement of ≥ 150 min. week-1 of moderate-to-vigorous intensity sport and/or physical exercise for ≥ 1 month was adopted as sufficiently active. The data were collected on 2 occasions, with an average interval of 3 years. The description of the results used the relative frequency and Binary Logistic Regression was used to estimate the crude and adjusted odds ratios (95% confidence intervals). Current physical activity (adjusted odds ratios = 3.05; 95% confidence intervals: 1.77-5.26) and sedentary behavior (adjusted odds ratios = 1.81; 95% confidence intervals: 1.03-3.19) appear to be significantly influenced by previous behavior, except for light-intensity physical activity. Only 12.8% of the participants remained sufficiently active for sport and/or physical exercise. Practice for at least one month of sport and/or physical exercise at baseline was a predictor of practice in the follow-up, both considering participation for at least one month (adjusted odds ratios = 2.81; 95% confidence intervals: 1.37-5.79) and for four months (adjusted odds ratios = 2.47; 95% confidence intervals: 1.17-5.24) in the follow-up. Being sufficiently active at baseline increased the chance of being sufficiently active in the follow-up during adolescence. Interventions providing sufficient sport and/or physical exercise could positively influence the chances of practice in the future. For light-intensity physical activity interventions, strategies targeting adherence seem especially relevant.
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adolescent behavior, exercise, health behavior, leisure activities, sports
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Acta Scientiarum - Health Sciences, v. 44.