Body composition assessment in overweight women : Validation of air displacement plethysmography

Journal article


Wingfield, Hailee L., Smith-Ryan, Abbie E., Woessner, Mary N., Melvin, Malia N., Fultz, Sarah N. and Graff, Rachel M.. (2014) Body composition assessment in overweight women : Validation of air displacement plethysmography. Clinical Physiology and Functional Imaging. 34(1), pp. 72-76. https://doi.org/10.1111/cpf.12067
AuthorsWingfield, Hailee L., Smith-Ryan, Abbie E., Woessner, Mary N., Melvin, Malia N., Fultz, Sarah N. and Graff, Rachel M.
Abstract

Purpose
The purpose of this study was to evaluate the validity and reliability of air displacement plethysmography (ADP) compared to a dual energy x‐ray absorptiometry (DXA) criterion for body composition measurement in overweight and obese women (BMI ≥ 25·0 kg m2).

Subjects/Methods
Twenty‐four overweight and obese women (Mean ± SD; Age: 36·6 ± 12·0 years; Height: 166·4 ± 5·8 cm; Weight: 86·5 ± 14·2 kg; Body Fat: 38·5 ± 3·7%; BMI: 31·3 ± 5·5 kg m2) were tested after an 8‐h fast. Fat mass (FM), fat‐free mass (FFM) and percent body fat (%BF) were measured by ADP and compared to values determined by the DXA criterion. FFM from DXA was calculated as lean mass plus bone mineral content. A paired samples t‐test was used to test for significant differences in the body composition variables between methods. A one‐way ANOVA along with intraclass correlation coefficient (ICC), SEM,%SEM and MD was used to represent reliability.

Results
Validity data comparing ADP and DXA demonstrated no significant difference in FM (ADP‐DXA FM = 0·99 kg; P = 0·113), FFM (0·98 kg; P = 0·115) and %BF (1·56%; P = 0·540). Reliability data for ADP between the first and second trials showed no significant difference in FM (P = 0·168; ICC = 0·994; SEM = 0·668), FFM (P = 0·058; ICC = 0·973; SEM = 0·892) or %BF (P = 0·121; ICC = 0·971; SEM = 0·813).

Conclusions
For overweight and obese women, ADP was found to be a valid measure of FM, FFM and %BF when compared with DXA. The reliability of ADP was supported for all body composition variables.

Keywordsdual energy x-ray absorptiometry; fat-free mass; percent body fat; sensitivity; sex
Year2014
JournalClinical Physiology and Functional Imaging
Journal citation34 (1), pp. 72-76
PublisherWiley-Blackwell Publishing Ltd.
ISSN1475-0961
Digital Object Identifier (DOI)https://doi.org/10.1111/cpf.12067
Scopus EID2-s2.0-84889561517
Open accessPublished as green open access
Research or scholarlyResearch
Page range72-76
Author's accepted manuscript
File Access Level
Open
Publisher's version
License
All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Online04 Dec 2013
Publication process dates
Accepted24 Jun 2013
Deposited08 Apr 2021
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https://acuresearchbank.acu.edu.au/item/8v994/body-composition-assessment-in-overweight-women-validation-of-air-displacement-plethysmography

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