Validity Assessment of a Portable Bioimpedance Scale to Estimate Body Fat Percentage in White and African-American Children and Adolescents

Overview

Journal Pediatr Obes

Specialties Endocrinology
Pediatrics

Date 2012 Dec 15

PMID 23239610

Citations 50

Authors

T V Barreira

A E Staiano

P T Katzmarzyk

Affiliations

Soon will be listed here.

Abstract

Objective: The objective of the study was to determine accuracy of the Tanita SC-240 body composition analyser to measure paediatric percent body fat (%BF).

Methods: Eighty-nine African-American and white 5-18-year-olds participated in this study. %BF was estimated by dual-energy X-ray absorptiometry (DXA) and by the Tanita SC-240.

Results: Overall %BF was 33.5 ± 10.5% (Tanita SC-240) vs. 34.5 ± 8.7% (DXA). There was no significant difference between the two measures (P = 0.52, average error = -1.0%, average absolute error = 3.9%). The Tanita mean %BF estimates significantly differed from the DXA mean %BF in white boys (P = 0.001, Cohen's d = 0.40) and white girls (P = 0.006, Cohen's d = 0.48), but differences were of small effect. No differences in %BF estimates were found for African-American boys or girls.

Conclusions: In this sample, the Tanita SC-240 demonstrated acceptable accuracy for estimating %BF when compared with DXA, supporting its use in field studies.

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