Catarina Machado Azeredo1, Leandro Fornias Machado de Rezende2, Daniela Silva Canella3, Rafael Moreira Claro4, Inês Rugani Ribeiro de Castro5, Olinda do Carmo Luiz2, Renata Bertazzi Levy2. 1. 1Federal University of Uberlandia,School of Medicine (Universidade Federal de Uberlândia, Faculdade de Medicina),Av. Pará nº 1720,Bloco 2U,Sala 20,Campus Umuarama,Bairro Umuarama,Uberlândia,MG,Brazil38.405-320. 2. 2University of Sao Paulo,School of Medicine,São Paulo,SP,Brazil. 3. 3University of Sao Paulo,School of Public Health,São Paulo,SP,Brazil. 4. 4Federal University of Minas Gerais,Nursing School,Belo Horizonte,MG,Brazil. 5. 5Rio de Janeiro State University,Nutrition Institute,Rio de Janeiro,RJ,Brazil.
Abstract
OBJECTIVE: To analyse the dietary intake of Brazilian adolescents and investigate its association with sociodemographic factors as well as health-risk and health-protective behaviours. DESIGN: Cross-sectional study. SETTING: The study was based on data supplied by the National Survey of Schoolchildren's Health (2012) on sociodemographic factors, dietary intake and health-risk and health-protective behaviours of schoolchildren in Brazil. A nutritional scale was elaborated combining markers of healthy and unhealthy diets. Poisson regression analysis was applied to investigate the association between the sociodemographic factors and regular intake (≥5 times/week) of selected foods; linear regression analysis was applied to investigate the association of sociodemographic and behavioural factors with nutritional scale score. SUBJECTS: A total of 109 104 adolescents attending the ninth year of education at 2842 schools in Brazil. RESULTS: Fewer than 30 % of the adolescents consumed raw or cooked vegetables on a regular basis, whereas more than one-third reported regular intake of sweets, soft drinks and sweet biscuits. Adolescents from the southern area and the oldest ones were those most exposed to inadequate dietary intake. The nutritional scale average score was higher in the students attending public school and exhibited a positive correlation with protective behaviours, such as being physically active, having meals with parents and eating breakfast, and a negative correlation with risk behaviours such as eating while studying or watching television and having smoked, drunk alcohol or used other drugs in the previous 30 d. CONCLUSIONS: The results indicate an association between undesirable nutritional habits and other risk behaviours among Brazilian adolescents.
OBJECTIVE: To analyse the dietary intake of Brazilian adolescents and investigate its association with sociodemographic factors as well as health-risk and health-protective behaviours. DESIGN: Cross-sectional study. SETTING: The study was based on data supplied by the National Survey of Schoolchildren's Health (2012) on sociodemographic factors, dietary intake and health-risk and health-protective behaviours of schoolchildren in Brazil. A nutritional scale was elaborated combining markers of healthy and unhealthy diets. Poisson regression analysis was applied to investigate the association between the sociodemographic factors and regular intake (≥5 times/week) of selected foods; linear regression analysis was applied to investigate the association of sociodemographic and behavioural factors with nutritional scale score. SUBJECTS: A total of 109 104 adolescents attending the ninth year of education at 2842 schools in Brazil. RESULTS: Fewer than 30 % of the adolescents consumed raw or cooked vegetables on a regular basis, whereas more than one-third reported regular intake of sweets, soft drinks and sweet biscuits. Adolescents from the southern area and the oldest ones were those most exposed to inadequate dietary intake. The nutritional scale average score was higher in the students attending public school and exhibited a positive correlation with protective behaviours, such as being physically active, having meals with parents and eating breakfast, and a negative correlation with risk behaviours such as eating while studying or watching television and having smoked, drunk alcohol or used other drugs in the previous 30 d. CONCLUSIONS: The results indicate an association between undesirable nutritional habits and other risk behaviours among Brazilian adolescents.
Authors: Maria Fernanda Tourinho Peres; Catarina Machado Azeredo; Leandro Fórnias Machado de Rezende; Eliana Miura Zucchi; Ivan Franca-Junior; Olinda do Carmo Luiz; Renata Bertazzi Levy Journal: Int J Public Health Date: 2018-06-08 Impact factor: 3.380
Authors: Leandro Fórnias Machado de Rezende; Catarina Machado Azeredo; Kelly Samara Silva; Rafael Moreira Claro; Ivan França-Junior; Maria Fernanda Tourinho Peres; Olinda do Carmo Luiz; Renata Bertazzi Levy; José Eluf-Neto Journal: PLoS One Date: 2015-06-22 Impact factor: 3.240
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