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Efeito do exercício físico sobre peso corporal em crianças com excesso de peso: ensaio clínico comunitário randomizado em uma favela no Brasil / Effect of physical exercise on bodyweight in overweight children: a randomized controlled trial in a Brazilian slum
Alves, João Guilherme B; Galé, Catharine R; Souza, Edvaldo; Batty, G. David.
  • Alves, João Guilherme B; Instituto Materno Infantil Professor Fernando Figueira. Recife. BR
  • Galé, Catharine R; University of Southampton. Medical Research Council and Epidemiology Resource Centre. Southampton. GB
  • Souza, Edvaldo; Instituto Materno Infantil Professor Fernando Figueira. Recife. BR
  • Batty, G. David; University of Glasgow. Medical Research Council and Social & Public Health Sciences Unit. Glasgow. GB
Cad. saúde pública ; 24(supl.2): s353-s359, 2008. ilus, tab
Article in Portuguese | LILACS | ID: lil-487401
RESUMO
Associação da obesidade com doenças crônicas tem se mostrado mais intensa nas áreas carentes. Examinamos o efeito de um programa de exercício físico para crianças com excesso de peso, em uma favela do Recife, Pernambuco, Brasil, por meio de um ensaio comunitário, randomizado, com 78 crianças. Um grupo (n = 39) recebeu três aulas semanais de exercícios físicos durante seis meses. Não foi realizada nenhuma intervenção em relação à alimentação. A análise por intenção de tratamento demonstrou que todas as crianças apresentaram aumento significativo de peso. Entretanto, esse aumento foi menor no grupo que sofreu a intervenção (diferença média entre os grupos; -1.37; IC95 por cento -2,00; -0,74). Em relação ao índice de massa corporal (IMC), também foi verificada uma diferença significativa (p = 0,049) entre os dois grupos (diferença média entre os grupos; -0,53; IC95 por cento -1,06; -0,002). Na análise restrita às crianças que completaram o estudo (intervenção = 30 e controle = 38), os resultados foram similares. Concluímos que um programa regular de exercícios físicos para crianças com excesso de peso em áreas carentes seja eficaz, sem a necessidade de intervenções dietéticas, na redução do ganho ponderal e do IMC.
ABSTRACT
Given the increase in obesity in developed and developing countries and its concomitant morbidity, successful treatment approaches are needed. We examined the effect of a structured exercise intervention in overweight children in a slum in Recife, Pernambuco State, Brazil. This was a randomized, controlled efficacy trial. Seventy-eight children were randomized. Exercise was supervised, consisting of three 50' group aerobics sessions per week for six months. All participants maintained ad libitum diets. Based on intention-to-treat analyses, children in both groups had a significant increase in weight at follow-up (p-value for within-group increase < 0.01). The increase in weight was significantly lower in the exercise group (mean difference between groups; -1.37; 95 percentCI -2.00; -0.74). A significant difference (p = 0.049) between the exercise and control groups at six-month follow-up was also found for BMI (mean difference between groups; -0.53; 95 percentCI -1.06; -0.002). When we restricted the analyses to children who completed the trial (intervention = 30 and control = 38), the results were the same. An exercise program for children, sustained for six months, was effective for reducing weight gain in overweight children living in a very poor neighborhood.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Exercise / Poverty Areas / Health Education / Obesity Type of study: Controlled clinical trial Limits: Child / Child, preschool / Female / Humans / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Cad. saúde pública Journal subject: Public Health / Toxicology Year: 2008 Type: Article Affiliation country: Brazil / United kingdom Institution/Affiliation country: Instituto Materno Infantil Professor Fernando Figueira/BR / University of Glasgow/GB / University of Southampton/GB

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Full text: Available Index: LILACS (Americas) Main subject: Exercise / Poverty Areas / Health Education / Obesity Type of study: Controlled clinical trial Limits: Child / Child, preschool / Female / Humans / Male Country/Region as subject: South America / Brazil Language: Portuguese Journal: Cad. saúde pública Journal subject: Public Health / Toxicology Year: 2008 Type: Article Affiliation country: Brazil / United kingdom Institution/Affiliation country: Instituto Materno Infantil Professor Fernando Figueira/BR / University of Glasgow/GB / University of Southampton/GB