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Fat and fat-free mass of healthy Swedish children show tracking during early life, but there are differences
Linköping University, Department of Clinical and Experimental Medicine, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Medical and Health Sciences, Division of Community Medicine. Linköping University, Faculty of Medicine and Health Sciences.
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2019 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 108, no 9, p. 1704-1708Article in journal (Refereed) Published
Abstract [en]

Aim Obesity may start early in life. We investigated relationships between size and body composition variables in infancy and at 4 years of age using valid estimates of body composition. The results were compared to those obtained when body mass index (BMI) was used to estimate body fatness at 4 years. Methods Using air displacement plethysmography, size, fat mass and fat-free mass were studied, between 2007 and 2015, in 253 full-term healthy Swedish children at 1 week, 12 weeks and 4 years of age. Results Positive associations between variables in infancy and at 4 years were found at 1 and 12 weeks for weight, height, BMI, fat-free mass and fat-free mass index (p amp;lt;= 0.002) and for fat mass, per cent body fat and fat mass index (p amp;lt;= 0.04) at 12 weeks. Fat mass gained during infancy correlated positively (p amp;lt;= 0.031) with per cent fat mass, fat mass index and BMI, all at 4 years. In girls, gains in fat-free mass during infancy correlated with BMI (p = 0.0005) at 4 years. Conclusion The results provide information regarding body composition trajectories during early life and demonstrate limitations of BMI as a proxy for body fatness when relating early weight gain to variables, relevant for later obesity risk.

Place, publisher, year, edition, pages
WILEY , 2019. Vol. 108, no 9, p. 1704-1708
Keywords [en]
Air displacement plethysmography; Body composition; Body mass index; Childhood obesity; Longitudinal development
National Category
Nutrition and Dietetics
Identifiers
URN: urn:nbn:se:liu:diva-159853DOI: 10.1111/apa.14771ISI: 000479320100022PubMedID: 30830968OAI: oai:DiVA.org:liu-159853DiVA, id: diva2:1345959
Note

Funding Agencies|Medical Research Council of Southeast Sweden

Available from: 2019-08-26 Created: 2019-08-26 Last updated: 2019-09-03

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Forsum, ElisabetEriksson, BrittFlinke Carlsson, EvaHenriksson, HannaHenriksson, PontusLöf, Marie
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Division of Surgery, Orthopedics and OncologyFaculty of Medicine and Health SciencesDivision of Community Medicine
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