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De Moraes A.C.F.,Epidemiology of Physical Activity Research Group | De Moraes A.C.F.,Exercise and Metabolism Research Group | Fernandes R.A.,São Paulo State University | Christofaro D.G.D.,Exercise and Metabolism Research Group | And 7 more authors.
International Journal of Public Health | Year: 2010

Objectives: To investigate the nutrition-related habits (NRH) of Brazilian adolescents and evaluate the associations with risk factors. Methods: Cross-sectional school-based was carried out among high school adolescents aged 14-18 years (n = 1,759) from public and private schools from two cities. The NRH were investigated by the weekly consumption of vegetables, fruit, sweet food and fried food. Risk factors investigated were: city, sex, age, socioeconomic status and nutritional status. In statistics, Poisson regression was used with robust variance adjustment. Results: Data indicated low consumption of fruits and vegetables, 70.0 and 71.0%, respectively, and high consumption of sweets and fried food, 66.7 and 63%, respectively. Boys showed risk of inadequate intake of vegetables [prevalence ratios (PR) 1.10, 95% CI 1.01-1.16] and fruit (PR 1.09, 95% CI 1.01-1.16). Furthermore, adolescents who live in Maringá had greater likelihood of consuming vegetables and fruit (20 and 25%, respectively). However, they presented risk of inadequate consumption of sweets (PR 1.19, 95% CI 1.11-1.28) for adolescents who live in Presidente Prudente. Conclusion: We concluded that inadequate NRH show high prevalence among adolescents and indicate the need to employ educational strategies that promote the adoption of more healthy habits and behaviors. © Swiss School of Public Health 2010.

De Moraes A.C.F.,University of Sao Paulo | De Moraes A.C.F.,Epidemiology and Physical Activity Research Group | De Moraes A.C.F.,Exercise and Metabolism Research Group | Fadoni R.P.,Catholic University of Parana | And 10 more authors.
Obesity Reviews | Year: 2011

The objectives of this study were to (i) review extant literature on the prevalence of abdominal obesity (AO) in adolescents of both sex (10-19 years old); (ii) analyse the cut-off points used for the diagnosis of AO and (iii) compare its prevalence between developed and developing countries. The search was carried out using online databases (MEDLINE, Web of Science, EMBASE, SPORTDiscus, SCIELO and BioMed Central), references cited by retrieved articles and by contact with the authors, considering articles published from the establishment of the databanks until 19 October 2009. Only original articles and those using waist circumference in the diagnosis were considered. Twenty-nine studies met the inclusion criteria. Fourteen of these studies were performed in developed countries. The prevalence of AO varied from 3.8% to 51.7% in adolescents from developing countries. The range of results was smaller among developed countries; with values from 8.7% to 33.2%. Eighteen different cut-off points were used. It was concluded the AO prevalence is high among adolescents, but is not clear what sex has a higher proportion and it is greater in adolescents from developing countries; however, there is no consensus in the literature about the criteria to be used. © 2010 The Authors. obesity reviews © 2010 International Association for the Study of Obesity.

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