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Percentiles of percentage body fat in German children and adolescents: an international comparison


Schwandt, Peter; von Eckardstein, Arnold; Haas, Gerda-Maria (2012). Percentiles of percentage body fat in German children and adolescents: an international comparison. International Journal of Preventive Medicine, 3(12):846-852.

Abstract

BACKGROUND: Age- and gender-specific percentiles of body mass index in children and adolescents are a cornerstone categorizing overweight and obesity in youths worldwide. Since corresponding worldwide growth curves of percent body fat (% BF) are missing, the purpose was to contribute smoothed percentiles of percentage body fat from a large urban sample of German youths and to include them in actual national and international percentile curves.
METHODS: We estimated % BF in 22 113 German youths aged 3 to 18 years participating in yearly cross-sectional surveys of the PEP Family Heart Study Nuremberg between 1993 and 2007. Percentage body fat was calculated from skinfold thickness using Slaughter equations. Ten smoothed percentile curves were constructed for % BF using the LMS method significant.
RESULTS: The age- and gender-specific reference curves demonstrate a continuous age-dependent increase of percentage body fat from age 3 to 18 years in girls; whereas in boys, the percentile curves steeply increase from 5 to 11 years and thereafter slightly decrease. The shape of the percentile curves, the maxima among boys at puberty and the median % BF at age 18 years are consistent with most of the current growth curves. % BF in urban studies seems to be lower than in national surveys .
CONCLUSIONS: More than these nine studies should contribute to worldwide-standardized growth charts for % BF to better define overweight and obesity in youth.

Abstract

BACKGROUND: Age- and gender-specific percentiles of body mass index in children and adolescents are a cornerstone categorizing overweight and obesity in youths worldwide. Since corresponding worldwide growth curves of percent body fat (% BF) are missing, the purpose was to contribute smoothed percentiles of percentage body fat from a large urban sample of German youths and to include them in actual national and international percentile curves.
METHODS: We estimated % BF in 22 113 German youths aged 3 to 18 years participating in yearly cross-sectional surveys of the PEP Family Heart Study Nuremberg between 1993 and 2007. Percentage body fat was calculated from skinfold thickness using Slaughter equations. Ten smoothed percentile curves were constructed for % BF using the LMS method significant.
RESULTS: The age- and gender-specific reference curves demonstrate a continuous age-dependent increase of percentage body fat from age 3 to 18 years in girls; whereas in boys, the percentile curves steeply increase from 5 to 11 years and thereafter slightly decrease. The shape of the percentile curves, the maxima among boys at puberty and the median % BF at age 18 years are consistent with most of the current growth curves. % BF in urban studies seems to be lower than in national surveys .
CONCLUSIONS: More than these nine studies should contribute to worldwide-standardized growth charts for % BF to better define overweight and obesity in youth.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of Clinical Chemistry
Dewey Decimal Classification:610 Medicine & health
540 Chemistry
Language:English
Date:2012
Deposited On:25 Feb 2013 16:14
Last Modified:05 Apr 2016 16:33
Publisher:Isfahan University of Medical Sciences
ISSN:2008-7802
Free access at:PubMed ID. An embargo period may apply.
Official URL:http://ijpm.mui.ac.ir/index.php/ijpm/article/view/770
PubMed ID:23272283

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