Comparison of Bioelectrical Impedance Analysis, Slaughter Skinfold-Thickness Equations, and Dual-Energy X-ray Absorptiometry for Estimating Body Fat Percentage in Colombian Children and Adolescents with Excess of Adiposity
by
Katherine González-Ruíz 1,2, María Medrano 3
, Jorge Enrique Correa-Bautista 1, Antonio García-Hermoso 4, Daniel Humberto Prieto-Benavides 1, Alejandra Tordecilla-Sanders 1, César Agostinis-Sobrinho 5, María Correa-Rodríguez 6, Jacqueline Schmidt Rio-Valle 6, Emilio González-Jiménez 6 and Robinson Ramírez-Vélez 1,*
Katherine González-Ruíz 1,2, María Medrano 3, Jorge Enrique Correa-Bautista 1, Antonio García-Hermoso 4, Daniel Humberto Prieto-Benavides 1, Alejandra Tordecilla-Sanders 1, César Agostinis-Sobrinho 5, María Correa-Rodríguez 6, Jacqueline Schmidt Rio-Valle 6, Emilio González-Jiménez 6 and Robinson Ramírez-Vélez 1,*
1
Centro de Estudios Para la Medición de la Actividad Física CEMA, Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá 111221, Colombia
2
Grupo de Ejercicio Físico y Deportes, Facultad de Salud, Programa de Fisioterapia, Universidad Manuela Beltrán, Bogotá 110231, Colombia
3
Institute for Innovation & Sustainable Development in Food Chain (IS-FOOD), Public University of Navarra, Campus de Arrosadía, 31006 Pamplona, Spain
4
Laboratorio de Ciencias de la Actividad Física, el Deporte y la Salud, Facultad de Ciencias Médicas, Universidad de Santiago de Chile, USACH, Santiago 7500618, Chile
5
Faculty of Health Sciences, Klaipeda University, Klaipeda 92294, Lithuania
6
Departamento de Enfermería, Facultad de Ciencias de la Salud, Avda. De la Ilustración, 60, University of Granada, Granada 18071, Spain
*
Author to whom correspondence should be addressed.
Nutrients 2018, 10(8), 1086; https://doi.org/10.3390/nu10081086
Received: 20 July 2018 / Revised: 8 August 2018 / Accepted: 13 August 2018 / Published: 14 August 2018
Dual-energy X-ray absorptiometry (DXA) has been considered a reference method for measuring body fat percentage (BF%) in children and adolescents with an excess of adiposity. However, given that the DXA technique is impractical for routine field use, there is a need to investigate other methods that can accurately determine BF%. We studied the accuracy of bioelectrical impedance analysis (BIA) technology, including foot-to-foot and hand-to-foot impedance, and Slaughter skinfold-thickness equations in the measurement of BF%, compared with DXA, in a population of Latin American children and adolescents with an excess of adiposity. A total of 127 children and adolescents (11–17 years of age; 70% girls) from the HEPAFIT (Exercise Training and Hepatic Metabolism in Overweight/Obese Adolescent) study were included in the present work. BF% was measured on the same day using two BIA analysers (Seca® 206, Allers Hamburg, Germany and Model Tanita® BC-418®, TANITA Corporation, Sportlife Tokyo, Japan), skinfold measurements (Slaughter equation), and DXA (Hologic Horizon DXA System®, Quirugil, Bogotá, Columbia). Agreement between measurements was analysed using t-tests, Bland–Altman plots, and Lin’s concordance correlation coefficient (ρc). There was a significant correlation between DXA and the other BF% measurement methods (r > 0.430). According to paired t-tests, in both sexes, BF% assessed by BIA analysers or Slaughter equations differ from BF% assessed by DXA (p < 0.001). The lower and upper limits of the differences compared with DXA were 6.3–22.9, 2.2–2.8, and −3.2–21.3 (95% CI) in boys and 2.3–14.8, 2.4–20.1, and 3.9–18.3 (95% CI) in girls for Seca® mBCA, Tanita® BC 420MA, and Slaughter equations, respectively. Concordance was poor between DXA and the other methods of measuring BF% (ρc < 0.5). BIA analysers and Slaughter equations underestimated BF% measurements compared to DXA, so they are not interchangeable methods for assessing BF% in Latin American children and adolescents with excess of adiposity.
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Keywords:
adiposity; body composition; validation study; DXA; children; adolescents
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MDPI and ACS Style
González-Ruíz, K.; Medrano, M.; Correa-Bautista, J.E.; García-Hermoso, A.; Prieto-Benavides, D.H.; Tordecilla-Sanders, A.; Agostinis-Sobrinho, C.; Correa-Rodríguez, M.; Schmidt Rio-Valle, J.; González-Jiménez, E.; Ramírez-Vélez, R. Comparison of Bioelectrical Impedance Analysis, Slaughter Skinfold-Thickness Equations, and Dual-Energy X-ray Absorptiometry for Estimating Body Fat Percentage in Colombian Children and Adolescents with Excess of Adiposity. Nutrients 2018, 10, 1086.
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