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Research Research and Professional Briefs
Group and Individual Agreement between Field and Dual X-Ray Absorptiometry–Based Body Composition Techniques in Children from Standard Schools and a Sports Academy
Journal of the Academy of Nutrition and Dietetics
Vol. 114Issue 1p91–98Published online: September 8, 2013
- Konstantinos Gerasimidis
- Sheila Shepherd
- Rajeeb Rashid
- Christine Ann Edwards
- Faisal Ahmed
Cited in Scopus: 4
Percentage fat (%FM) and fat-free mass (FFM) were measured in 37 children from a sports academy and in 71 children from standard schools with dual x-ray absorptiometry (DXA) and bioelectrical impedance analysis (BIA) using the manufacturer’s equation (Tanita) and an ethnic-specific prediction equation (Haroun). In the standard school, BIA overestimated FFM and underestimated %FM by a mean of 2.5 kg and 5.2%, respectively, using the Tanita equation. In girls from the sports academy, the Tanita equation underestimated FFM and overestimated %FM compared with DXA (mean difference BIA-DXA; FFM: −1.3 kg; %FM: 1.8%).