Trends of underweight, overweight, and obesity in Brazilian children and adolescents

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Abstract

Objective To describe and analyze the trends of occurrence of underweight, overweight, and obesity in schoolchildren. Methods This was a longitudinal study of trends conducted in a voluntary sample of Brazilian children and adolescents. The sample was grouped by year of collection (period I: 2005 and 2006; period II: 2007 and 2008, and period III: 2009-2011), age category (children: 7 to 10 years, and adolescents: 11 to 14 years), and stratified by gender. The body mass index was used to classify the nutritional profile. Trend analysis was verified using multinomial logistic regression (p < 0.05). Results Mean occurrences were 2.11% for underweight, 22.27% for overweight, and 6.8% for obesity. There was a decrease of underweight in male adolescents from period I to II, as well as an increase in female children from period II to III. Regarding overweight, there was an increase followed by a decrease in male children. Regarding obesity, there was an increase from period I to II in all age groups and for both genders. Conclusion The prevalence of underweight was less than 5% in all categories of age and gender. However, the categories of overweight and obesity showed higher values, and together comprised almost 30% of the young Brazilian population; moreover, a trend toward increase in prevalence of obesity was observed up to the year 2008, followed by the maintenance of these high prevalence rates. © 2013 Sociedade Brasileira de Pediatria.

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APA

Flores, L. S., Gaya, A. R., Petersen, R. D. S., & Gaya, A. (2013). Trends of underweight, overweight, and obesity in Brazilian children and adolescents. Jornal de Pediatria, 89(5), 456–461. https://doi.org/10.1016/j.jped.2013.02.021

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