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dc.contributor.authorAtlantis, E.-
dc.contributor.authorMartin, S.-
dc.contributor.authorHaren, M.-
dc.contributor.authorTaylor, A.-
dc.contributor.authorWittert, G.-
dc.identifier.citationAmerican Journal of Clinical Nutrition, 2008; 88(1):95-104-
dc.description© 2008 American Society for Nutrition-
dc.description.abstractBACKGROUND: Age-related change in body composition is associated with adverse health outcomes, including functional decline, disability, morbidity, and early mortality. Prevention of age-related changes requires a greater understanding of the associations among age, lifestyle factors, and body composition. OBJECTIVE: We aimed to comprehensively determine lifestyle factors associated with age-related differences in body composition assessed by using dual-energy X-ray absorptiometry. DESIGN: We analyzed baseline (cross-sectional) data collected from 2002 to 2005 for approximately 1200 men in the Florey Adelaide Male Aging Study, a regionally representative cohort of Australian men aged 35-81 y. RESULTS: Mean values for whole-body lean mass (LM) and areal bone mineral density (aBMD) decreased, whereas mean values for abdominal fat mass (FM) and whole-body and abdominal percentage FM (%FM) increased with age. No significant age-related differences were found for whole-body FM. Multiple adjusted odds of being in the highest tertiles for whole-body and abdominal %FM decreased for smokers (63-71%) but increased with age group and for lowest energy (43-50%), carbohydrate (92-107%), and fiber (107%) intake tertiles. Multiple adjusted odds of being in the highest aBMD tertile decreased for lowest body mass (92%) and carbohydrate intake (63%) tertiles and for men aged > or = 75 y (78%) but increased for Australian birth (58%) and for participation in vigorous physical activities (82%). CONCLUSIONS: Age-related differences in body composition indicate that whole-body FM remains stable but increases viscerally and that whole-body %FM is confounded by LM, whereas aBMD decreases with age. Age-related differences in %FM and aBMD are associated with demographic and lifestyle factors.-
dc.description.statementofresponsibilityEvan Atlantis, Sean A. Martin, Matthew T. Haren, Anne W. Taylor, and Gary A. Wittert for the Florey Adelaide Male Aging Study-
dc.publisherAmer Soc Clinical Nutrition-
dc.subjectFlorey Adelaide Male Aging Study-
dc.subjectMuscle, Skeletal-
dc.subjectAdipose Tissue-
dc.subjectAbsorptiometry, Photon-
dc.subjectOdds Ratio-
dc.subjectCohort Studies-
dc.subjectCross-Sectional Studies-
dc.subjectLife Style-
dc.subjectBody Composition-
dc.subjectBone Density-
dc.subjectAged, 80 and over-
dc.subjectMiddle Aged-
dc.titleLifestyle factors associated with age-related differences in body composition: the Florey Adelaide Male Aging Study-
dc.typeJournal article-
dc.identifier.orcidAtlantis, E. [0000-0001-5877-6141]-
dc.identifier.orcidTaylor, A. [0000-0002-4422-7974]-
dc.identifier.orcidWittert, G. [0000-0001-6818-6065]-
Appears in Collections:Aurora harvest
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