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Obesity in a cohort of black Jamaican children as estimated by body mass index (BMI) and other indices of adiposity [abstract]
Gaskin, Pamela S; Walker, Susan P.
  • Gaskin, Pamela S; University of the West Indies, Mona, Jamaica. Tropical Medicine Research Institute
  • Walker, Susan P; University of the West Indies, Mona, Jamaica. Tropical Medicine Research Institute
West Indian med. j ; 50(Suppl 5): 22-3, Nov. 2001.
Artigo em Inglês | MedCarib | ID: med-189
Biblioteca responsável: JM3.1
Localização: JM3.1; R18.W4


To examine the relationships of Body Mass Index (BMI) to obesity indices derived from anthropometry and to determine tracking of obesity between late childhood and early adolescence. We also compared identification of over-weight children using the International Obesity Task Force (IOTF) BMI cut points with skinfolds.


Three hundred and six children were examined at 7-8 years and at 11-12 years. Triceps (TSF) and subscapular (SSF) skin folds, height, and weight were measured. The sum of the skinfolds (sum SF), BMI, and fat mass (FM) were calculated. Pubertal stage was assessed at 11-12 years.


At age 7-8 years, 11 children were overweight compared with 29 at 11-12 years. BMI was better correlated with the other indices of adiposity in girls than in boys and in the older age group than in the 7-8-year-olds. In regression analysis, BMI predicted FM best and explained 52 percent and 61 percent of the variance in FM among boys and girls at 7-8 years. Using the IOTF cut points, BMI had low sensitivity to identify children >85th percentile of the NHANES references for SSF. The sensitivity for those assessed by TSF and sum SF was higher but between 14 percent and 30 percent of the children were misclassified. The specificity of BMI was high.


Adiposity increased between mid-childhood and early adolescence but the children remained realtively lean. Girls were fatter than boys, reflecting adult obesity patterns. Children identified as overweight by the IOTF BMI cut points are likley to have high body fatness. However, the concern would be that the BMI cut points may not identify many children with high body fatness. (AU)





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Coleções: Bases de dados internacionais Base de dados: MedCarib Assunto principal: Índice de Massa Corporal / Adipócitos / Obesidade Limite: Criança / Feminino / Humanos / Masculino País/Região como assunto: Caribe Inglês / Jamaica Idioma: Inglês Revista: West Indian med. j Ano de publicação: 2001 Tipo de documento: Artigo