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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Agreement Between Standard Body Composition Methods to Estimate Percentage of Body Fat in Young Male Athletes

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Ferri-Morales, Asuncion [1, 2] ; Vinicius Nascimento-Ferreira, Marcus [3, 4] ; Vlachopoulos, Dimitris [5] ; Ubago-Guisado, Esther [5, 6] ; Torres-Costoso, Ana [1, 2] ; De Moraes, Augusto Cesar F. [3, 4, 7] ; Barker, Alan R. [5] ; Moreno, Luis A. [8, 9] ; Martinez-Vizcaino, Vicente [4, 10] ; Gracia-Marco, Luis [11, 3, 5]
Total Authors: 10
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[1] Univ Castilla La Mancha, Sch Nursing & Physiotherapy, Toledo - Spain
[2] Univ Castilla La Mancha, Hlth & Social Res Ctr, Cuenca - Spain
[3] Univ Zaragoza, Growth Exercise Nutr & Dev GENUD Res Grp, Zaragoza - Spain
[4] Univ Sao Paulo, Sch Med, Youth Child & Cardiovasc Risk & Environm YCARE Re, Sao Paulo - Brazil
[5] Univ Exeter, Childrens Hlth & Exercise Res Ctr, Sport & Hlth Sci, Exeter, Devon - England
[6] Univ Castilla La Mancha, IGOID Res Grp, Toledo - Spain
[7] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidemiol, Baltimore, MD - USA
[8] IIS Aragon, IA2, Zaragoza - Spain
[9] Ctr Invest Biomed Red Fisiopatol Obesidad & Nutr, Zaragoza - Spain
[10] Univ Autonoma Chile, Fac Ciencias Salud, Talca - Chile
[11] Univ Granada, Fac Sport Sci, Dept Phys Educ & Sports, PROFITH PROmoting FITness & Hlth Phys Act Res Grp, Granada - Spain
Total Affiliations: 11
Document type: Journal article
Source: PEDIATRIC EXERCISE SCIENCE; v. 30, n. 3, p. 402-410, AUG 2018.
Web of Science Citations: 8

Purpose: To examine the intermethods agreement of dual-energy X-ray absorptiometry (DXA) and foot-to-foot bioelectrical impedance analysis (BIA) to assess the percentage of body fat (%BF) in young male athletes using air-displacement plethysmography (ADP) as the reference method. Methods: Standard measurement protocols were carried out in 104 athletes (40 swimmers, 37 footballers, and 27 cyclists, aged 12-14 y). Results: Age-adjusted %BF ADP and %BF BIA were significantly higher in swimmers than footballers. ADP correlates better with DXA than with BIA (r = .84 vs r = .60, P < .001). %BF was lower when measured by DXA and BIA than ADP (P < .001), and the bias was higher when comparing ADP versus BIA than ADP versus DXA. The intraclass correlation coefficients between DXA and ADP showed a good to excellent agreement (r = .67-.79), though it was poor when BIA was compared with ADP (r = .26-.49). The ranges of agreement were wider when comparing BIA with ADP than DXA with ADP. Conclusion: DXA and BIA seem to underestimate %BF in young male athletes compared with ADP. Furthermore, the bias significantly increases with %BF in the BIA measurements. At the individual level, BIA and DXA do not seem to predict % BF precisely compared with ADP in young athletic populations. (AU)

FAPESP's process: 16/18436-8 - Measurement of energy expenditure levels in children and adolescents: validation of methods for studies epidemiologic
Grantee:Marcus Vinicius Nascimento Ferreira
Support type: Scholarships in Brazil - Doctorate
FAPESP's process: 17/11732-3 - Statistical approach in the validation of energy balance-related behaviors: agreement between theory and practice
Grantee:Marcus Vinicius Nascimento Ferreira
Support type: Scholarships abroad - Research Internship - Doctorate
FAPESP's process: 14/13367-2 - Design and implementation of methods to assess behaviors related to energy balance in children/adolescents in a multicenter study: SAYCARE study
Grantee:Augusto César Ferreira de Moraes
Support type: Scholarships in Brazil - Post-Doctorate
FAPESP's process: 15/14319-4 - Energy balance-related behaviors in the SAYCARE study - compared and agreement to objective measurement and self-reported: a validation statistical methods
Grantee:Augusto César Ferreira de Moraes
Support type: Scholarships abroad - Research Internship - Post-doctor