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dc.contributor.authorWong, Joseph CH
dc.contributor.authorO'Neill, Sheila
dc.contributor.authorBeck, Belinda R
dc.contributor.authorForwood, Mark R
dc.contributor.authorKhoo, Soo Keat
dc.date.accessioned2020-08-04T05:47:44Z
dc.date.available2020-08-04T05:47:44Z
dc.date.issued2020
dc.identifier.issn0378-5122
dc.identifier.doi10.1016/j.maturitas.2019.12.001
dc.identifier.urihttp://hdl.handle.net/10072/396167
dc.description.abstractObjective: Most studies of the age-related changes in body composition are cross-sectional in design: there have been few longitudinal studies. The aim of this 5-year study was to document body composition changes in perimenopausal and older women. Study design: Prospective, longitudinal observational study. Methods: 489 women were randomly selected from the electoral roll and stratified into 4 age groups by decade: 40–49, 50–59, 60–69 and 70–79 years. Dual-energy x-ray absorptiometry (DXA) was performed in the first and fifth years of the study. Total body mass (TBM), total fat mass (TFM), total lean mass (TLM), abdominopelvic fat mass, and appendicular fat and lean mass were determined. Results: There were significant increases in TBM (p < 0.001), TFM (p < 0.01), TLM (p < 0.05), arm fat mass (p < 0.05), leg fat mass (p < 0.001) and leg lean mass (p < 0.05) within the 40–49 age decade. TBM, TFM and abdominopelvic fat started to decline from the 50–59 decade. Abdominopelvic fat reduction was significant from the 50–59 decade to the later decades (p = 0.05 to p < 0.001). Arm lean mass showed a significant reduction from the 50–59 decade (p < 0.01). Leg lean mass declined from the 60–69 decade, reaching significance in the 70–79 decade (p = 0.05). Conclusion: TFM and abdominopelvic fat declined from the 50–59 age decade, which is earlier than is suggested in the literature. Conversely, the decline in appendicular lean mass with age occurred later, from the 50–59 decade, with earlier and greater loss in the arms, which has implications for exercise strategies to maintain muscle mass from midlife on.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofpagefrom49
dc.relation.ispartofpageto56
dc.relation.ispartofjournalMaturitas
dc.relation.ispartofvolume132
dc.subject.fieldofresearchClinical Sciences
dc.subject.fieldofresearchPaediatrics and Reproductive Medicine
dc.subject.fieldofresearchcode1103
dc.subject.fieldofresearchcode1114
dc.subject.keywordsScience & Technology
dc.subject.keywordsLife Sciences & Biomedicine
dc.subject.keywordsGeriatrics & Gerontology
dc.subject.keywordsObstetrics & Gynecology
dc.subject.keywordsBody composition
dc.titleA 5-year longitudinal study of changes in body composition in women in the perimenopause and beyond
dc.typeJournal article
dc.type.descriptionC1 - Articles
dcterms.bibliographicCitationWong, JCH; O'Neill, S; Beck, BR; Forwood, MR; Khoo, SK, A 5-year longitudinal study of changes in body composition in women in the perimenopause and beyond, Maturitas, 2020, 132, pp. 49-56
dcterms.dateAccepted2019-12-01
dc.date.updated2020-08-04T05:46:37Z
gro.hasfulltextNo Full Text
gro.griffith.authorBeck, Belinda R.
gro.griffith.authorForwood, Mark R.


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