The validity of predicted body fat percentage from body mass index and from impedance in samples of five European populations

To test and compare the validity of a body mass index (BMI)-based prediction equation and an impedance-based prediction equation for body fat percentage among various European population groups. Cross-sectional observational study. The study was performed in five different European centres: Maastric...

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Bibliographic Details
Published in:European journal of clinical nutrition 2001-11, Vol.55 (11), p.973-979
Main Authors: DEURENBERG, P, ANDREOLI, A, BORG, P, KUKKONEN-HARJULA, K, DE LORENZO, A, VAN MARKEN LICHTENBELT, W. D, TESTOLIN, G, VIGANO, R, VOLLAARD, N
Format: Article
Language:English
Subjects:
Absorptiometry, Photon - methods
Adipose Tissue - anatomy & histology
Adolescent
Adult
Adults
Age
Aged
Arm
Bias
Biological and medical sciences
Body composition
Body Composition - physiology
Body fat
Body Mass Index
Body size
Clinical nutrition
Comparative studies
Cross-Sectional Studies
Densitometers
Densitometry
Densitometry - methods
Dual energy X-ray absorptiometry
Electric Impedance
Electrodiagnosis. Electric activity recording
Female
Females
Finland
Humans
Impedance
Investigative techniques, diagnostic techniques (general aspects)
Italy
Male
Males
Medical sciences
Metabolic diseases
Middle Aged
Miscellaneous. Technology
Netherlands
Nutrition
Obesity
Obesity - classification
Obesity - diagnosis
Observational studies
Predictions
Predictive Value of Tests
Reference Values
Reproducibility of Results
Sex
Sex Factors
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Summary:To test and compare the validity of a body mass index (BMI)-based prediction equation and an impedance-based prediction equation for body fat percentage among various European population groups. Cross-sectional observational study. The study was performed in five different European centres: Maastricht and Wageningen (The Netherlands), Milan and Rome (Italy) and Tampere (Finland), where body composition studies are routinely performed. A total of 234 females and 182 males, aged 18-70 y, BMI 17.0-41.9 kg/m(2). The reference method for body fat percentage (BF%(REF)) was either dual-energy X-ray absorptiometry (DXA) or densitometry (underwater weighing). Body fat percentage (BF%) was also predicted from BMI, age and sex (BF%(BMI)) or with a hand-held impedance analyser that uses in addition to arm impedance weight, height, age and sex as predictors (BF%(IMP)). The overall mean (+/-s.e.) bias (measured minus predicted) for BF%(BMI) was 0.2+/-0.3 (NS) and-0.7+/-0.3 (NS) in females and males, respectively. The bias of BF%(IMP) was 0.2+/-0.2 (NS) and 1.0+/-0.4 (P
ISSN:0954-3007
1476-5640
DOI:10.1038/sj.ejcn.1601254