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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Body composition of infants at 6 months of age using a 3-compartment model
European Journal of Clinical Nutrition, Year 2023
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Description
Background/Objectives: Two compartment (2 C) models of body composition, including Air Displacement Plethysmography (ADP) and Deuterium Dilution (DD), assume constant composition of fat-free mass (FFM), while 3-compartment (3 C) model overcomes some of these assumptions; studies are limited in infants. The objective of the present study is to compare 3 C estimates of body composition in 6-mo. old infants from Australia, India, and South Africa, including FFM density and hydration, compare with published literature and to evaluate agreement of body composition estimates from ADP and DD. Methods: Body volume and water were measured in 176 healthy infants using ADP and DD. 3C-model estimates of fat mass (FM), FFM and its composition were calculated, compared between countries (age and sex adjusted) and with published literature. Agreement between estimates from ADP and DD were compared by Bland–Altman and correlation analyses. Results: South African infants had significantly higher % FM (11.5%) and density of FFM compared to Australian infants. Australian infants had significantly higher % FFM (74.7 ± 4.4%) compared to South African infants (71.4 ± 5.0) and higher FFMI (12.7 ± 0.8 kg/m2) compared to South African (12.3 ± 1.2 kg/m2) and Indian infants (11.9 ± 1.0 kg/m2). FFM composition of present study differed significantly from literature. Pooled three country estimates of FM and FFM were comparable between ADP and DD; mean difference of −0.05 (95% CI: −0.64, +0.55) kg and +0.05 (95% CI: −0.55, +0.64) kg. Conclusions: 3C-model estimates of body composition in infants differed between countries; future studies are needed to confirm these findings and investigate causes for the differences. © 2023, The Author(s).
Authors & Co-Authors
Kuriyan, Rebecca R.
India, Bengaluru
St. John's Research Institute
Hills, Andrew Peter
Australia, Hobart
University of Tasmania
Nyati, Lukhanyo H.
South Africa, Johannesburg
University of the Witwatersrand
Byrne, Nuala M.
Australia, Hobart
University of Tasmania
Kurpad, Anura Vishwanath
India, Bengaluru
St. John's Research Institute
Norris, Shane A.
South Africa, Johannesburg
University of the Witwatersrand
United Kingdom, Southampton
University of Southampton
Ariff, Shabina
Pakistan, Karachi
The Aga Khan University
Santos, Iná Silva Dos
Brazil, Pelotas
Universidade Federal de Pelotas
Wickramasinghe, Vithanage Pujitha
Sri Lanka, Colombo
University of Colombo
Dos Santos Costa, Caroline S.
Brazil, Pelotas
Universidade Federal de Pelotas
Lucas, Marianne Nishani
Sri Lanka, Colombo
University of Colombo
Ahmad, Tanvir
Pakistan, Islamabad
Pakistan Institute of Nuclear Science and Technology
Ahuja, Kiran D.K.
Australia, Hobart
University of Tasmania
Beckett, Jeffrey M.
Australia, Hobart
University of Tasmania
Bielemann, Renata Moraes
Brazil, Pelotas
Universidade Federal de Pelotas
Charania, Laila
Pakistan, Karachi
The Aga Khan University
Christian, Michele P.
India, Bengaluru
St. John's Research Institute
Divya, Priscilla J.
India, Bengaluru
St. John's Research Institute
Hanley, Anne
Australia, Hobart
University of Tasmania
Herath, Manoja P.
Australia, Hobart
University of Tasmania
Cheikh Ismail, Leila El
United Arab Emirates, Sharjah
University of Sharjah
United Kingdom, Oxford
University of Oxford
Jayasinghe, Sisitha Udara
Australia, Hobart
University of Tasmania
Lanerolle, Pulani
Sri Lanka, Colombo
University of Colombo
Loechl, Cornelia U.
Austria, Vienna
International Atomic Energy Agency, Vienna
Moktar, Najat
Austria, Vienna
International Atomic Energy Agency, Vienna
Senarath, Upul
Sri Lanka, Colombo
University of Colombo
Slater, Christine
Austria, Vienna
International Atomic Energy Agency, Vienna
Soofi, Sajid Bashir
Pakistan, Karachi
The Aga Khan University
Street, Steven John
Australia, Hobart
University of Tasmania
Valle, Neiva Cristina Jorge
Brazil, Pelotas
Universidade Federal de Pelotas
Yameen, Ayesha
Pakistan, Islamabad
Pakistan Institute of Nuclear Science and Technology
Statistics
Authors: 31
Affiliations: 11
Identifiers
Doi:
10.1038/s41430-023-01351-2
ISSN:
09543007
Research Areas
Environmental
Study Locations
South Africa