| Validity of two-component models for estimating body fat of black men. | |
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MedLine Citation:
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PMID: 11160065 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Commonly used two-component model conversion formulas that estimate relative body fat (%BF) from body density (Db) were cross-validated on a heterogeneous sample of black men (n = 30; age = 19--45 yr). A four-component model was used to obtain criterion measures of %BF, and linear regression and analysis of individual residual scores were conducted to assess the predictive accuracy of the formulas under investigation. The two-component formula commonly used to estimate %BF of black men (Schutte JE, Townsend EJ, Hugg J, Shoup RF, Malina RM, and Blomqvist CG. J Appl Physiol 56: 1647-1649, 1984) significantly (P < or = 0.01) and systematically (87% of sample) overestimated %BF (-1.28%); thus we developed the following two-component Db conversion formula: %BF = [(4.858/Db) - 4.394] x 100. Because our formula was derived from a four-component model and a larger, more heterogeneous sample than the commonly used two-component formula, we recommend using it to convert Db to %BF for black men. Additionally, there was good agreement between dual-energy X-ray absorptiometry and the four-component model, making this a suitable alternative for estimating the %BF of black men. |
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Authors:
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D R Wagner; V H Heyward |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.; Validation Studies |
Journal Detail:
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Title: Journal of applied physiology (Bethesda, Md. : 1985) Volume: 90 ISSN: 8750-7587 ISO Abbreviation: J. Appl. Physiol. Publication Date: 2001 Feb |
Date Detail:
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Created Date: 2001-02-22 Completed Date: 2001-07-05 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8502536 Medline TA: J Appl Physiol Country: United States |
Other Details:
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Languages: eng Pagination: 649-56 Citation Subset: IM |
Affiliation:
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Exercise and Sports Science Department, Vanguard University of Southern California, Costa Mesa, California 92626, USA. dwagner@vanguard.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Absorptiometry, Photon Adult African Continental Ancestry Group* Body Composition* Fats / analysis* Humans Male Middle Aged Models, Biological* |
| Grant Support | |
ID/Acronym/Agency:
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5M01-RR-00997/RR/NCRR NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Fats |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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