Discordancia entre los porcentajes de grasa corporal estimados mediante medidas antropométricas y por bioimpedancia manual en niños y adolescentes

Translated title of the contribution: Inconsistency between the body fat percentages estimated through anthropometric measurements and manual bioimpedance in children and adolescents

Pablo José Lizana Arce, Atilio Aldo Almagià Flores, María Cristina Simpson Lelievre, Rosy Olivares Barraza, Octavio Binvignat Gutiérrez, Daniza Ivanovic Marincovich, Francisco José Berral de la Rosa

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The rate is assessed as per the body fat percentages (%BF) estimated through anthropometric measurements and manual bioimpedance, according to gender and adiposity rate within the paediatric population. The %BF is assessed by anthropometry using the Slaughter equation for cutaneous skinfolds and manual bioimpedance (Omron model HBF-306INTTM) to 321 students (160 females and 161 males) between 10-18 years. The association degree among the methods was measured using the Pearson correlation coefficient (r). The consistency among methods was analysed through the intra-class correlation coefficient (ICC) and the consistency correlation coefficient of Lin (CCC), grouping the population by gender and adiposity rate. The reference method was the cutaneous skinfolds assessed by the Slaughter equation. Optimum and high adiposity rates were recorded for the studied sample. The r between the bioimpedance and the anthropometry was 0.689, which corresponds to moderate. However, it decreased according to the gender and adiposity rate (females: optimum 0.409 and high 0.610; males: optimum 0.335 and high 0.507). The ICC was 0.668, which also decreased by gender and adiposity rate (females: optimum 0.323 and high 0.578; males: optimum 0.229 and high 0.506). CCC was poor (<0.90) by gender and adiposity rate. The study shows differences for both methods in this age range, which is accentuated by gender and adiposity rate. Therefore, the use of manual bioimpedance as an interchangeable method with the anthropometric measurements in children and adolescents is not suggested as it underestimates the %BF.

Translated title of the contributionInconsistency between the body fat percentages estimated through anthropometric measurements and manual bioimpedance in children and adolescents
Original languageSpanish
Pages (from-to)1364-1369
Number of pages6
JournalInternational Journal of Morphology
Volume29
Issue number4
DOIs
StatePublished - Dec 2011
Externally publishedYes

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