Document Detail


BMI and objectively measured body fat and body fat distribution in prepubertal children.
MedLine Citation:
PMID:  17204032     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Body Mass Index (BMI) is often used as a surrogate estimate of body fat in epidemiological studies. This study explores the association between BMI, body fat and body fat distribution assessed by Dual-Energy X-Ray Absorptiometry (DXA) in younger children. METHODS: Cross-sectional study of 246 children (138 boys and 108 girls) aged 8-11 years. DXA was used to quantify abdominal fat mass (AFM), total body fat (TBF) and also total body fat as percentage of total body mass (BF%). Body fat distribution was calculated as AFM/TBF. RESULTS: We found close correlations between BMI vs. TBF, BF% and AFM (r = 0.94, r = 0.92 and r = 0.93) for boys and (r = 0.95, r = 0.92 and r = 0.95) for girls, respectively (P<0.05 for all r-values). However, significantly lower correlation (P<0.001 for difference between the r-values) existed for body fat distribution (r = 0.64 for boys and 0.73 for girls). CONCLUSION: Percentage body fat, TBF and AFM were all closely associated with BMI, suggesting that BMI serves as a good surrogate marker for obesity in population studies. However, a significantly lower correlation existed for BMI vs. body fat distribution, which may be a limitation when BMI is used to study cardiovascular risk factors in epidemiological studies.
Authors:
Magnus Dencker; Ola Thorsson; Christian Lindén; Per Wollmer; Lars B Andersen; Magnus K Karlsson
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Clinical physiology and functional imaging     Volume:  27     ISSN:  1475-0961     ISO Abbreviation:  Clin Physiol Funct Imaging     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2007-01-05     Completed Date:  2007-03-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137604     Medline TA:  Clin Physiol Funct Imaging     Country:  England    
Other Details:
Languages:  eng     Pagination:  12-6     Citation Subset:  IM    
Affiliation:
Department of Clinical Sciences, Malmö, Lund University, Sweden. magnus.dencker@skane.se
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MeSH Terms
Descriptor/Qualifier:
Adipose Tissue / physiology*
Anthropometry / methods
Body Fat Distribution / statistics & numerical data*
Body Mass Index*
Child
Female
Humans
Male
Puberty / physiology
Sex Factors
Sweden / epidemiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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