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Índice de massa corporal e dobras cutâneas como indicadores de obesidade em escolares de 8 a 10 anos

2008; UNIVERSIDADE FEDERAL DE SANTA CATARINA; Volume: 10; Issue: 3 Linguagem: Inglês

10.5007/1980-0037.2008v10n3p266

1980-0037

Renata Selvatici Borges Januário, Matheus Amarante do Nascimento, Lilian Keila Barazetti, Felipe Fossati Reichert, João Paulo Buraneli Mantoan, Arli Ramos de Oliveira,

Obesity, Physical Activity, Diet

The aim of this study was to compare the concordance of two obesity indicators, BMI and % body fat in boys and girls. Therefore, 100 girls and 100 boys, with ages ranging from 8 to 10 years, were submitted to anthropometric measurements for subsequent calculation of Body Mass Index (BMI) and % body fat, both as obesity indicators. The variables were analyzed with relation to the reference criteria proposed by Williams et al and Cole et al. The results were then analyzed with the kappa index, elucidating that 79% of the boys and 85% of the girls were classified simultaneously by both procedures. The kappa index indicated a moderate agreement between the two obesity indicators for obese and non-obese classification. However, our data demonstrated that 21% of the boys and 15% of the girls showed normal weight according to BMI, but were classified as obese according to the % body fat. The results show that BMI, when compared with skinfolds, had moderate agreement in children from 8 to 10 years old for detecting obesity.