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Body composition through adult life: Swedish reference data on body composition
Univ Gothenburg, Sahlgrenska Univ Hosp, Dept Endocrinol Diabetol & Metab Internal Med, SE-41345 Gothenburg, Sweden..
Univ Gothenburg, Sahlgrenska Acad, Publ Hlth Epidemiol Unit, Dept Publ Hlth & Community Med, SE-41345 Gothenburg, Sweden..
Univ West, Dept Nursing Hlth & Culture, Trollhattan, Sweden..
Northern Alvsborg Hosp, Dept Paediat, Trollhattan, Sweden..
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2015 (English)In: European Journal of Clinical Nutrition, ISSN 0954-3007, E-ISSN 1476-5640, Vol. 69, no 7, 837-842 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND/OBJECTIVES: The prevalence of obesity, defined as body mass index (BMI) >= 30 kg/m(2), differs between populations; however, there is a need for data on description on body composition in reference populations of different ages and from different countries. The objective of this study was to pool dual-energy X-ray absorptiometry (DXA) body composition reference data from population-based Swedish cohorts.

SUBJECTS/METHODS: Four population-based cross-sectional cohort studies including 1424 adult Swedes were divided into five age groups (20-29, 30-39, 40-49, 50-61 and 75 years of age); BMI 24.6 +/- 3.9 kg/m(2) were pooled. Body composition was measured with DXA.

RESULTS: The difference in BMI from the youngest to the oldest age group was 3.2 and 4.3 kg/m(2) in men and women, respectively (P<0.001, both sexes), and fat mass (FM) was 9.9 and 9.1% higher in the oldest compared with the youngest men and women (P<0.001, both sexes). Fat-free mass (FFM) remained stable up to 60 years of age in men (P = 0.83) and was lower at 75 years of age compared with the younger ages. In women, FFM was lower from age 60. From youngest to oldest age groups, height-adjusted FM differed from 4.6 to 7.8 kg/m(2) in men and from 6.8 to 10.8 kg/m(2) in women (P<0.001, both sexes).

CONCLUSIONS: Our results provide reference data on body composition in Swedish populations. BMI and FM were higher among older age groups compared with the younger ones. FFM remained stable up to 60 years of age and was lower first among the 75 years of age.

Place, publisher, year, edition, pages
Nature Publishing Group, 2015. Vol. 69, no 7, 837-842 p.
National Category
Nutrition and Dietetics
Identifiers
URN: urn:nbn:se:oru:diva-56541DOI: 10.1038/ejcn.2014.268ISI: 000357290200014PubMedID: 25514897Scopus ID: 2-s2.0-84934438674OAI: oai:DiVA.org:oru-56541DiVA: diva2:1082686
Available from: 2017-03-17 Created: 2017-03-17 Last updated: 2017-10-18Bibliographically approved

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