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

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 b...

Full description

Bibliographic Details
Main Authors: Gerson Luis de Moraes Ferrari, Victor Matsudo, Peter T. Katzmarzyk, Mauro Fisberg
Format: Article
Language:Portuguese
Published: Brazilian Society of Pediatrics 2017-11-01
Series:Jornal de Pediatria (Versão em Português)
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2255553617300599
_version_ 1811255043195666432
author Gerson Luis de Moraes Ferrari
Victor Matsudo
Peter T. Katzmarzyk
Mauro Fisberg
author_facet Gerson Luis de Moraes Ferrari
Victor Matsudo
Peter T. Katzmarzyk
Mauro Fisberg
author_sort Gerson Luis de Moraes Ferrari
collection DOAJ
description 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/m2, 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%, β = 0.0216, p < 0.001) and screen time (ST, β = 0.0050, p = 0.006). In boys, the associated factors were BF% (β = 0.0209, p < 0.001), ST (β = 0.006, p = 0.036), and healthy eating policies or practices (β = 0.0276, p = 0.025). In girls, only BF% was associated (β = 0.0221, p < 0.001) with BMI. Conclusions: High prevalence of overweight/obesity was observed in children from São Caetano do Sul. Different associated factors were identified between the genders, with only BF% being common in both genders.
first_indexed 2024-04-12T17:17:56Z
format Article
id doaj.art-8fac4ed671eb47b89a79bc40b6dd7fad
institution Directory Open Access Journal
issn 2255-5536
language Portuguese
last_indexed 2024-04-12T17:17:56Z
publishDate 2017-11-01
publisher Brazilian Society of Pediatrics
record_format Article
series Jornal de Pediatria (Versão em Português)
spelling doaj.art-8fac4ed671eb47b89a79bc40b6dd7fad2022-12-22T03:23:34ZporBrazilian Society of PediatricsJornal de Pediatria (Versão em Português)2255-55362017-11-0193660160910.1016/j.jpedp.2017.05.003Prevalence and factors associated with body mass index in children aged 9–11 yearsGerson Luis de Moraes Ferrari0Victor Matsudo1Peter T. Katzmarzyk2Mauro Fisberg3Centro de estudos do Laboratório de Aptidão Física de São Caetano do Sul (CELAFISCS), São Caetano do Sul, SP, BrasilCentro de estudos do Laboratório de Aptidão Física de São Caetano do Sul (CELAFISCS), São Caetano do Sul, SP, BrasilPennington Biomedical Research Center, Baton Rouge, LA, Estados UnidosUniversidade Federal de São Paulo (Unifesp), Departamento de Pediatria, Centro de Atendimento e Apoio ao Adolescente, São Paulo, SP, BrasilObjective: 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/m2, 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%, β = 0.0216, p < 0.001) and screen time (ST, β = 0.0050, p = 0.006). In boys, the associated factors were BF% (β = 0.0209, p < 0.001), ST (β = 0.006, p = 0.036), and healthy eating policies or practices (β = 0.0276, p = 0.025). In girls, only BF% was associated (β = 0.0221, p < 0.001) with BMI. Conclusions: High prevalence of overweight/obesity was observed in children from São Caetano do Sul. Different associated factors were identified between the genders, with only BF% being common in both genders.http://www.sciencedirect.com/science/article/pii/S2255553617300599Body compositionObesityChildrenPublic health
spellingShingle Gerson Luis de Moraes Ferrari
Victor Matsudo
Peter T. Katzmarzyk
Mauro Fisberg
Prevalence and factors associated with body mass index in children aged 9–11 years
Jornal de Pediatria (Versão em Português)
Body composition
Obesity
Children
Public health
title Prevalence and factors associated with body mass index in children aged 9–11 years
title_full Prevalence and factors associated with body mass index in children aged 9–11 years
title_fullStr Prevalence and factors associated with body mass index in children aged 9–11 years
title_full_unstemmed Prevalence and factors associated with body mass index in children aged 9–11 years
title_short Prevalence and factors associated with body mass index in children aged 9–11 years
title_sort prevalence and factors associated with body mass index in children aged 9 11 years
topic Body composition
Obesity
Children
Public health
url http://www.sciencedirect.com/science/article/pii/S2255553617300599
work_keys_str_mv AT gersonluisdemoraesferrari prevalenceandfactorsassociatedwithbodymassindexinchildrenaged911years
AT victormatsudo prevalenceandfactorsassociatedwithbodymassindexinchildrenaged911years
AT petertkatzmarzyk prevalenceandfactorsassociatedwithbodymassindexinchildrenaged911years
AT maurofisberg prevalenceandfactorsassociatedwithbodymassindexinchildrenaged911years