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Estimation of percentage body fat in 6- to 13-year-old children by skinfold thickness, body mass index and waist circumference

Kriemler, S. and Puder, J. and Zahner, L. and Roth, R. and Meyer, U. and Bedogni, G.. (2010) Estimation of percentage body fat in 6- to 13-year-old children by skinfold thickness, body mass index and waist circumference. British Journal of Nutrition, 104 (10). pp. 1565-1572.

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Official URL: http://edoc.unibas.ch/dok/A5842888

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Abstract

We evaluated the accuracy of skinfold thicknesses, BMI and waist circumference for the prediction of percentage body fat (PBF) in a representative sample of 372 Swiss children aged 6-13 years. PBF was measured using dual-energy X-ray absorptiometry. On the basis of a preliminary bootstrap selection of predictors, seven regression models were evaluated. All models included sex, age and pubertal stage plus one of the following predictors: (1) log-transformed triceps skinfold (logTSF); (2) logTSF and waist circumference; (3) log-transformed sum of triceps and subscapular skinfolds (logSF2); (4) log-transformed sum of triceps, biceps, subscapular and supra-iliac skinfolds (logSF4); (5) BMI; (6) waist circumference; (7) BMI and waist circumference. The adjusted determination coefficient (R _{adj};{2} ) and the root mean squared error (RMSE; kg) were calculated for each model. LogSF4 (R _{adj};{2} 0.85; RMSE 2.35) and logSF2 (R _{adj};{2} 0.82; RMSE 2.54) were similarly accurate at predicting PBF and superior to logTSF (R _{adj};{2} 0.75; RMSE 3.02), logTSF combined with waist circumference (R _{adj};{2} 0.78; RMSE 2.85), BMI (R _{adj};{2} 0.62; RMSE 3.73), waist circumference (R _{adj};{2} 0.58; RMSE 3.89), and BMI combined with waist circumference (R _{adj};{2} 0.63; RMSE 3.66) (P > 0.001 for all values of R _{adj};{2} ). The finding that logSF4 was only modestly superior to logSF2 and that logTSF was better than BMI and waist circumference at predicting PBF has important implications for paediatric epidemiological studies aimed at disentangling the effect of body fat on health outcomes
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Endokrinologie / Diabetologie
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Endokrinologie / Diabetologie
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Environmental Exposures and Health > Physical Hazards and Health (Röösli)
03 Faculty of Medicine > Departement Sport, Bewegung und Gesundheit > Bereich Bewegungs- und Trainingswissenschaft > Trainingswissenschaften (Zahner)
UniBasel Contributors:Puder, Jardena and Kriemler, Susi and Zahner, Lukas
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Cambridge University Press
ISSN:0007-1145
e-ISSN:1475-2662
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:09 Oct 2017 08:47
Deposited On:26 Apr 2013 06:55

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