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Degree of agreement of percentage fat mass in young adults estimated with skinfolds versus bioelectrical impedance

By
Felipe Manzo-Sepúlveda ,
Felipe Manzo-Sepúlveda

Carrera de Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad Adventista de Chile, Chillán, Chile.

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Mildred Rodriguez-Sanhueza ,
Mildred Rodriguez-Sanhueza

Carrera de Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad Adventista de Chile, Chillán, Chile.

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Antonella Cares-Muñoz ,
Antonella Cares-Muñoz

Carrera de Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad Adventista de Chile, Chillán, Chile.

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Miguel Ángel López-Espinoza ,
Miguel Ángel López-Espinoza

Carrera de Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad Adventista de Chile, Chillán, Chile.

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Abstract

Introduction: there are different methods to estimate the percentage of fat mass, among them are anthropometry and bioimpedance.
Objective: this study seeks to demonstrate the degree of agreement of the percentage of fat mass estimated with bioelectrical impedance versus skin folds in a healthy adult population.
Methods: agreement study; made up of 44 students from the Adventist University of Chile. The percentage of fat mass obtained by anthropometry was estimated by the Siri formula (density estimated by the Durnin and Womersley equation) based on the bicipital, tricipital, subscapular and suprailiac folds, in triplicate; while for impedancemetry the Seca mBCA 525 equipment was used. The intraclass compensation coefficient (ICC) and Bland-Altman graph were applied, with R-Studio.
Results: 65.91% had an age between 18-22 years, the 52.27% were women, 65.91% with normal nutritional status and with 26.63±10.97% fat mass. An ICC=0.84 (95% CI: 0.72-0.91) was found. Women and obese people had the lowest ICCs. The values are within the limits -11.39 - +9.68 of the Bland-Altman graph.
Conclusions: There is an acceptable level of agreement in the percentage of fat mass with the Siri formula versus bioimpedanciometry.

How to Cite

1.
Manzo-Sepúlveda F, Rodríguez-Sanhueza M, Cares-Muñoz A, López-Espinoza M. Degree of agreement of percentage fat mass in young adults estimated with skinfolds versus bioelectrical impedance. Salud, Ciencia y Tecnología [Internet]. 2024 Jan. 10 [cited 2024 Feb. 23];4:715. Available from: https://revista.saludcyt.ar/ojs/index.php/sct/article/view/715

The article is distributed under the Creative Commons Attribution 4.0 License. Unless otherwise stated, associated published material is distributed under the same licence.

 

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