Prevalence and factors associated with body mass index in children aged 9-11 years

Prevalence and factors associated with body mass index in children aged 9-11 years

Alternative title Prevalência e fatores associados do índice de massa corporal em crianças de 9-11 anos de idade
Author de Moraes Ferrari, Gerson Luis Autor UNIFESP Google Scholar
Matsudo, Victor Google Scholar
Katzmarzyk, Peter T. Google Scholar
Fisberg, Mauro Autor UNIFESP Google Scholar
Abstract Objective: This study aimed to identify the prevalence and factors associated with body mass index (BMI) in children aged 9-11 years. Methods: The study is part of the International Study of Childhood Obesity Lifestyle and the Environment (ISCOLE). Body composition was determined using the bipolar bioimpedance technique. The mean BMI value was categorized as recommended by the World Health Organization. For seven consecutive days, participants used an accelerometer to objectively monitor sedentary behavior (SB) and moderate to vigorous physical activity. Individual factors (anthropometric and behavioral), family aspects, and family and school environment were provided by participants and parents and were analyzed by multilevel linear regression adjusted for gender, ethnicity, school, number of siblings, and total annual family income. Results: The mean BMI was 20.1 kg/m(2), and 51.8% of the children were overweight/obese (50.3% boys, 53.4% girls, p = 0.014). Considering all participants, the associated factors of BMI were body fat percentage (BF%, beta = 0.0216, p < 0.001) and screen time (ST, beta = 0.0050, p = 0.006). In boys, the associated factors were BF% (beta = 0.0209, p < 0.001), ST (beta = 0.006, p = 0.036), and healthy eating policies or practices (beta = 0.0276, p = 0.025). In girls, only BF% was associated (beta = 0.0221, p < 0.001) with BMI. Conclusions: High prevalence of overweight/obesity was observed in children from Sao Caetano do Sul. Different associated factors were identified between the genders, with only BF% being common in both genders. (c) 2017 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda.

Objetivo: Identificar a prevalência e os fatores associados do índice de massa corporal (IMC) em crianças de 9-11 anos. Métodos: O estudo faz parte do International Study of Childhood Obesity Lifestyle and the Environment (Iscole). A composição corporal foi determinada pelo método da bioimpedância bipolar. O valor médio do IMC foi categorizado conforme sugerido pela Organização Mundial de Saúde. Durante sete dias consecutivos, os participantes usaram acelerômetro para monitorar objetivamente o comportamento sedentário (CS) e atividade física de moderada a vigorosa. Fatores associados individuais (antropométricos e comportamentais), aspectos familiares, ambiente familiar e escolar foram preenchidos pelos participantes e pais e foram analisados pela regressão linear multinível ajustados para sexo, etnia, escola, número de irmãos e renda familiar total anual. Resultados: A média do IMC foi de 20,1 kg/m2, 51,8% das crianças estavam com excesso de peso/obesidade (50,3% meninos; 53,4% meninas; p = 0,014). Considerando todos os participantes, os fatores associados do IMC foram a porcentagem de gordura corporal (%GC; β = 0,0216; p < 0,001) e o tempo de tela (TT; β = 0,0050; p = 0,006). Nos meninos, os fatores associados foram a %GC (β = 0,0209; p < 0,001), TT (β = 0,006; p = 0,036) e políticas ou práticas de alimentação saudável (β = 0,0276; p = 0,025). Já nas meninas, somente a %GC foi associada (β = 0,0221; p < 0,001) com o IMC. Conclusões: Mostramos valores elevados de prevalência de excesso de peso/obesidade em crianças de São Caetano do Sul. Diferentes fatores associados foram identificados entre os sexos, somente a %GC foi comum em ambos os sexos.
Keywords Body composition
Obesity
Children
Public health
Composição corporal
Obesidade
Crianças
Saúde pública
xmlui.dri2xhtml.METS-1.0.item-coverage Rio De Janeiro, Rj
Language English
Portuguese
Sponsor Coca-Cola Company
Marie Edana Corcoran in obesity and childhood diabetes
Date 2017
Published in Jornal De Pediatria. Rio De Janeiro, Rj, v. 93, n. 6, p. 601-609, 2017.
ISSN 0021-7557 (Sherpa/Romeo, impact factor)
Publisher Soc Brasil Pediatria
Extent 601-609
Origin http://dx.doi.org/10.1016/j.jped.2016.12.007
Access rights Open access Open Access
Type Article
Web of Science ID WOS:000418656500009
SciELO ID S0021-75572017000600601 (statistics in SciELO)
URI https://repositorio.unifesp.br/handle/11600/58206

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