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Cien Saude Colet. 2019 Sep 9;24(9):3335-3344. doi: 10.1590/1413-81232018249.29052017.

Change in overweight and obesity over a decade according to sociodemographic factors in Brazilian adolescents.

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Programa de Pós-Graduação em Educação Física, Universidade Federal de Santa Catarina. Campus Universitário, Trindade. 88040-900 Florianópolis SC Brasil.


The aims were to examine changes in the prevalence of overweight and obesity among students from 2001 to 2011, and to verify if these changes differ according to age group, area of residence, and family income. We analyzed two cross-sectional surveys conducted in 2001 and 2011 with brazilian adolescents. Sociodemographic and anthropometric characteristics were self-reported using a questionnaire. Multinomial logistic regression was used to analyze changes in overweight and obesity between the two surveys. The nutritional status was the outcome of the present study and the surveys (2001 and 2011) were the exposure. The odds of being overweight and obese were higher among boys and girls in urban areas in the 2011 survey compared to the 2001. Boys and girls with higher income were also more likely to present overweight and obesity in the second survey compared to the first. An increase of overweight and obesity was observed over a decade. We suggest that future interventions consider the area of residence and the family income to strengthen the effectiveness of actions developed to prevent and control these indicators among adolescents.

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