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Type: Artigo
Title: Erica: Prevalences Of Hypertension And Obesity In Brazilian Adolescents
Author: Bloch
Katia Vergetti; Klein
Carlos Henrique; Szklo
Moyses; Kuschnir
Maria Cristina C.; Abreu
Gabriela de Azevedo; Barufaldi
Laura Augusta; da Veiga
Gloria Valeria; Schaan
Beatriz; Nogueira da Silva
Thiago Luiz; Leite de Vasconcellos
Mauricio Teixeira; Pantoja Moraes
Ana Julia; Borges
Ana Luiza; Andrade de Oliveira
Ana Mayra; Tavares
Bruno Mendes; de Oliveira
Cecilia Lacroix; Cunha
Cristiane de Freitas; Giannini
Denise Tavares; Belfort
Dilson Rodrigues; Santos
Eduardo Lima; de Leon
Elisa Brosina; Fujimori
Elizabeth; Araujo Oliveira
Elizabete Regina; Magliano
Erika da Silva; Guedes Vasconcelos
Francisco de Assis; Azevedo
George Dantas; Brunken
Gisela Soares; Britto Guimaraes
Isabel Cristina; Faria Neto
Jose Rocha; Oliveira
Juliana Souza; de Carvalho
Kenia Mara B.; de Oliveira Goncalves
Luis Gonzaga; Monteiro
Maria Ines; Santos
Marize M.; Veiga Jardim
Paulo Cesar B.; Muniz Ferreira
Pedro Antonio; Montenegro
Renan Magalhaes
Jr.; Gurgel
Ricardo Queiroz; Vianna
Rodrigo Pinheiro; Vasconcelos
Sandra Mary; Lederer Goldberg
Tamara Beres
Abstract: To estimate the prevalence of arterial hypertension and obesity and the population attributable fraction of hypertension that is due to obesity in Brazilian adolescents. METHODS: Data from participants in the Brazilian Study of Cardiovascular Risks in Adolescents (ERICA), which was the first national school-based, cross-section study performed in Brazil were evaluated. The sample was divided into 32 geographical strata and clusters from 32 schools and classes, with regional and national representation. Obesity was classified using the body mass index according to age and sex. Arterial hypertension was defined when the average systolic or diastolic blood pressure was greater than or equal to the 95th percentile of the reference curve. Prevalences and 95% confidence intervals (95% CI) of arterial hypertension and obesity, both on a national basis and in the macro-regions of Brazil, were estimated by sex and age group, as were the fractions of hypertension attributable to obesity in the population. RESULTS: We evaluated 73,399 students, 55.4% female, with an average age of 14.7 years (SD = 1.6). The prevalence of hypertension was 9.6% (95% CI 9.0-10.3); with the lowest being in the North, 8.4% (95% CI 7.7-9.2) and Northeast regions, 8.4% (95% CI 7.6-9.2), and the highest being in the South, 12.5% (95% CI 11.0-14.2). The prevalence of obesity was 8.4% (95% CI 7.9-8.9), which was lower in the North region and higher in the South region. The prevalences of arterial hypertension and obesity were higher in males. Obese adolescents presented a higher prevalence of hypertension, 28.4% (95% CI 25.5-31.2), than overweight adolescents, 15.4% (95% CI 17.0-13.8), or eutrophic adolescents, 6.3% (95% CI 5.6-7.0). The fraction of hypertension attributable to obesity was 17.8%. CONCLUSIONS: ERICA was the first nationally representative Brazilian study providing prevalence estimates of hypertension in adolescents. Regional and sex differences were observed. The study indicates that the control of obesity would lower the prevalence of hypertension among Brazilian adolescents by 1/5.
Subject: Adolescent
Cross-sectional Studies
Editor: Revista de Saúde Publica
São Paulo
Citation: Revista De Saude Publica. Revista De Saúde Publica, v. 50, p. , 2016.
Rights: aberto
Identifier DOI: 10.1590/S01518-8787.2016050006685
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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