Triceps and Subscapular Skinfold Thickness Percentiles and Cut-Offs for Overweight and Obesity in a Population-Based Sample of Schoolchildren and Adolescents in Bogota, Colombia

Ramírez-Vélez, Robinson; López Cifuentes, Mario Ferney; Correa Bautista, Jorge Enrique; González-Ruíz, Katherine; González Jiménez, Emilio; Córdoba-Rodríguez, Diana; Vivas, Andrés; Triana Reina, Héctor Reynaldo; Schmidt Rio-Valle, Jacqueline

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Triceps and Subscapular Skinfold Thickness Percentiles and Cut-Offs for Overweight and Obesity in a Population-Based Sample of Schoolchildren and Adolescents in Bogota, Colombia

http://repository.urosario.edu.co/handle/10336/14423

Autores

Ramírez-Vélez, Robinson

López Cifuentes, Mario Ferney

Correa Bautista, Jorge Enrique

González-Ruíz, Katherine

González Jiménez, Emilio

Córdoba-Rodríguez, Diana

Vivas, Andrés

Triana Reina, Héctor Reynaldo

Schmidt Rio-Valle, Jacqueline

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2016

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Abstract

Abstract: The assessment of skinfold thickness is an objective measure of adiposity. The aims of this study were to establish Colombian smoothed centile charts and LMS L (Box–Cox transformation), M (median), and S (coefficient of variation) tables for triceps, subscapular, and triceps + subscapular skinfolds; appropriate cut-offs were selected using receiver operating characteristic (ROC) analysis based on a population-based sample of children and adolescents in Bogotá, Colombia. A cross-sectional study was conducted in 9618 children and adolescents (55.7% girls; age range of 9–17.9 years). Triceps and subscapular skinfold measurements were obtained using standardized methods. We calculated the triceps + subscapular skinfold (T + SS) sum. Smoothed percentile curves for triceps and subscapular skinfold thickness were derived using the LMS method. ROC curve analyses were used to evaluate the optimal cut-off point of skinfold thickness for overweight and obesity, based on the International Obesity Task Force definitions. Subscapular and triceps skinfolds and T + SS were significantly higher in girls than in boys (p < 0.001). The ROC analysis showed that subscapular and triceps skinfolds and T + SS have a high discriminatory power in the identification of overweight and obesity in the sample population in this study. Our results provide sex- and age-specific normative reference standards for skinfold thickness values from a population from Bogotá, Colombia.