The body composition phenotype of Irish adults aged 18–81 years

Background Regional distribution of adiposity and lean tissue mass are predictors of health risk that cannot be defined by body mass index but can be attained by dual-energy X-ray absorptiometry (DXA). Age and sex-related adult ranges of whole-body and regional adiposity and lean tissue are not avai...

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Bibliographic Details
Published in:Irish journal of medical science 2016-05, Vol.185 (2), p.537-544
Main Authors: Toomey, C., Leahy, S., McCreesh, K., Coote, S., Jakeman, P.
Format: Article
Language:English
Subjects:
Absorptiometry, Photon
Adiposity - physiology
Adolescent
Adult
Aged
Aged, 80 and over
Anthropometry
Body Composition - physiology
Body Mass Index
Family Medicine
Female
General Practice
Humans
Internal Medicine
Male
Medicine
Medicine & Public Health
Middle Aged
Original Article
Phenotype
Young Adult
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Summary:Background Regional distribution of adiposity and lean tissue mass are predictors of health risk that cannot be defined by body mass index but can be attained by dual-energy X-ray absorptiometry (DXA). Age and sex-related adult ranges of whole-body and regional adiposity and lean tissue are not available for Irish men and women. Aims The aim of this study was to construct a DXA-based body composition profile of Irish adults, focusing on age- and sex-related difference in total and regional adiposity and lean tissue mass. Methods The study population comprised a convenience sample of 1606 participants, aged 18–81 years participating in the University of Limerick Body Composition study. Data were analysed to construct stature-normalised indices of body fat mass (BFMI), site-specific visceral adiposity, lean tissue mass (LTMI) and appendicular lean tissue mass (ALTMI). Results Compared to the young adult (18–29 years), BFMI was higher in women ( p  50 years. For men, age-related difference in LTMI was not evident but ALTMI was significantly lower in those >50 years. For women, there was evidence of significantly lower LTMI with advancing age and, similar to men, significantly lower ALTMI in those >50 years. Conclusions These data provide an insight into the age-related anthropometric phenotype of Irish adults. Centile data have been constructed that provide informative data of the age and sex-specific range of adiposity and lean tissue mass. These data may assist in identification of those at risk of aberrant, body composition-related disease.
ISSN:0021-1265
1863-4362
DOI:10.1007/s11845-015-1338-x