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Body Adiposity Index Performance in Estimating Body Fat Percentage in Colombian College Students : Findings from the FUPRECOL-Adults Study

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Date
2017-01-17
Author
Ramírez-Vélez, RobinsonAutoridad Universidad de Rosario
Correa Bautista, Jorge EnriqueAutoridad Universidad de Rosario
González-Ruíz, Katherine
Vivas, Andrés
Triana Reina, Héctor Reynaldo
Martínez Torres, Javier
Prieto-Benavides, Daniel Humberto
Carrillo, Hugo Alejandro
Ramos Sepúlveda, Jeison Alexander
Villa González, Emilio
García-Hermoso, Antonio
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Citation
URI
https://doi.org/10.3390/nu9010040
http://repository.urosario.edu.co/handle/10336/14784

Summary

Abstract: Recently, a body adiposity index (BAI = (hip circumference)/((height)(1.5))−18) was developed and validated in adult populations. The aim of this study was to evaluate the performance of BAI in estimating percentage body fat (BF%) in a sample of Colombian collegiate young adults. The participants were comprised of 903 volunteers (52% females, mean age = 21.4 years ± 3.3). We used the Lin’s concordance correlation coefficient, linear regression, Bland–Altman’s agreement analysis, concordance correlation coefficient (ρc) and the coefficient of determination (R 2 ) between BAI, and BF%; by bioelectrical impedance analysis (BIA)). The correlation between the two methods of estimating BF% was R 2 = 0.384, p < 0.001. A paired-sample t-test showed a difference between the methods (BIA BF% = 16.2 ± 3.1, BAI BF% = 30.0 ± 5.4%; p < 0.001). For BIA, bias value was 6.0 ± 6.2 BF% (95% confidence interval (CI) = −6.0 to 18.2), indicating that the BAI method overestimated BF% relative to the reference method. Lin’s concordance correlation coefficient was poor (ρc = 0.014, 95% CI = −0.124 to 0.135; p = 0.414). In Colombian college students, there was poor agreement between BAI- and BIA-based estimates of BF%, and so BAI is not accurate in people with low or high body fat percentage levels.
Subject
Body Composition ; Validity ; Students ; Body Adiposity ;

Subject

Fisiología humana ;

Source link

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5295084/pdf/nutrients-09-00040.pdf...

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