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Body fat throughout childhood in 2647 healthy Danish children: agreement of BMI, waist circumference, skinfolds with dual X-ray absorptiometry

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@article{bf0554dfde574784825537706c9b5a86,
title = "Body fat throughout childhood in 2647 healthy Danish children: agreement of BMI, waist circumference, skinfolds with dual X-ray absorptiometry",
abstract = "BACKGROUND/OBJECTIVES: Total body fat percentage ({\%}BF) evaluated by dual energy X-ray absorptiometry (DXA) scans (DXA {\%}BF) is widely recognized as a precise measure of fatness. We aimed to establish national reference curves for DXA {\%}BF, {\%}BF calculated from skinfolds (SF {\%}BF) and waist circumference (WC) in healthy children, and to compare agreement between the different methods.SUBJECTS/METHODS: Based on 11 481 physical examinations (anthropometry) and 1200 DXA scans from a longitudinal cohort of Danish children (n=2647), we established reference curves (LMS-method) for SF {\%}BF, WC (birth to 14 years) and DXA {\%}BF (8-14 years). Age- and sex-specific Z-scores for body mass index (BMI), WC and SF {\%}BF were compared. Sensitivity and specificity were calculated for agreement of WC, SF {\%}BF and BMI with DXA {\%}BF to identify obese children (>+1 s.d.).RESULTS: {\%}BF differed with age, sex, pubertal stage and social class. SF {\%}BF correlated strongly with DXA {\%}BF (r=0.86). BMI and WC also correlated positively with DXA {\%}BF (Z-scores; r= 0.78 and 0.69). Sensitivity and specificity were 79.5 and 93.8 for SF {\%}BF, 75.9 and 90.3 for BMI and 59.2 and 95.4 for WC.CONCLUSIONS: SF {\%}BF showed the highest correlation and best agreement with DXA {\%}BF in identifying children with excess fat (+1 s.d.).",
keywords = "Absorptiometry, Photon, Adipose Tissue, Adolescent, Age Factors, Anthropometry, Body Composition, Body Mass Index, Child, Child, Preschool, Denmark, Humans, Infant, Infant, Newborn, Longitudinal Studies, Male, Pediatric Obesity, Puberty, Reference Values, Sensitivity and Specificity, Sex Factors, Skinfold Thickness, Social Class, Waist Circumference",
author = "C Wohlfahrt-Veje and J Tinggaard and K Winther and A Mouritsen and Hagen, {C P} and Mieritz, {M G} and {de Renzy-Martin}, {K T} and M Boas and Petersen, {J H} and Main, {K M}",
year = "2014",
month = "6",
doi = "10.1038/ejcn.2013.282",
language = "English",
volume = "68",
pages = "664--70",
journal = "European Journal of Clinical Nutrition",
issn = "0954-3007",
publisher = "Nature Publishing Group",
number = "6",

}

RIS

TY - JOUR

T1 - Body fat throughout childhood in 2647 healthy Danish children

T2 - agreement of BMI, waist circumference, skinfolds with dual X-ray absorptiometry

AU - Wohlfahrt-Veje, C

AU - Tinggaard, J

AU - Winther, K

AU - Mouritsen, A

AU - Hagen, C P

AU - Mieritz, M G

AU - de Renzy-Martin, K T

AU - Boas, M

AU - Petersen, J H

AU - Main, K M

PY - 2014/6

Y1 - 2014/6

N2 - BACKGROUND/OBJECTIVES: Total body fat percentage (%BF) evaluated by dual energy X-ray absorptiometry (DXA) scans (DXA %BF) is widely recognized as a precise measure of fatness. We aimed to establish national reference curves for DXA %BF, %BF calculated from skinfolds (SF %BF) and waist circumference (WC) in healthy children, and to compare agreement between the different methods.SUBJECTS/METHODS: Based on 11 481 physical examinations (anthropometry) and 1200 DXA scans from a longitudinal cohort of Danish children (n=2647), we established reference curves (LMS-method) for SF %BF, WC (birth to 14 years) and DXA %BF (8-14 years). Age- and sex-specific Z-scores for body mass index (BMI), WC and SF %BF were compared. Sensitivity and specificity were calculated for agreement of WC, SF %BF and BMI with DXA %BF to identify obese children (>+1 s.d.).RESULTS: %BF differed with age, sex, pubertal stage and social class. SF %BF correlated strongly with DXA %BF (r=0.86). BMI and WC also correlated positively with DXA %BF (Z-scores; r= 0.78 and 0.69). Sensitivity and specificity were 79.5 and 93.8 for SF %BF, 75.9 and 90.3 for BMI and 59.2 and 95.4 for WC.CONCLUSIONS: SF %BF showed the highest correlation and best agreement with DXA %BF in identifying children with excess fat (+1 s.d.).

AB - BACKGROUND/OBJECTIVES: Total body fat percentage (%BF) evaluated by dual energy X-ray absorptiometry (DXA) scans (DXA %BF) is widely recognized as a precise measure of fatness. We aimed to establish national reference curves for DXA %BF, %BF calculated from skinfolds (SF %BF) and waist circumference (WC) in healthy children, and to compare agreement between the different methods.SUBJECTS/METHODS: Based on 11 481 physical examinations (anthropometry) and 1200 DXA scans from a longitudinal cohort of Danish children (n=2647), we established reference curves (LMS-method) for SF %BF, WC (birth to 14 years) and DXA %BF (8-14 years). Age- and sex-specific Z-scores for body mass index (BMI), WC and SF %BF were compared. Sensitivity and specificity were calculated for agreement of WC, SF %BF and BMI with DXA %BF to identify obese children (>+1 s.d.).RESULTS: %BF differed with age, sex, pubertal stage and social class. SF %BF correlated strongly with DXA %BF (r=0.86). BMI and WC also correlated positively with DXA %BF (Z-scores; r= 0.78 and 0.69). Sensitivity and specificity were 79.5 and 93.8 for SF %BF, 75.9 and 90.3 for BMI and 59.2 and 95.4 for WC.CONCLUSIONS: SF %BF showed the highest correlation and best agreement with DXA %BF in identifying children with excess fat (+1 s.d.).

KW - Absorptiometry, Photon

KW - Adipose Tissue

KW - Adolescent

KW - Age Factors

KW - Anthropometry

KW - Body Composition

KW - Body Mass Index

KW - Child

KW - Child, Preschool

KW - Denmark

KW - Humans

KW - Infant

KW - Infant, Newborn

KW - Longitudinal Studies

KW - Male

KW - Pediatric Obesity

KW - Puberty

KW - Reference Values

KW - Sensitivity and Specificity

KW - Sex Factors

KW - Skinfold Thickness

KW - Social Class

KW - Waist Circumference

U2 - 10.1038/ejcn.2013.282

DO - 10.1038/ejcn.2013.282

M3 - Journal article

VL - 68

SP - 664

EP - 670

JO - European Journal of Clinical Nutrition

JF - European Journal of Clinical Nutrition

SN - 0954-3007

IS - 6

ER -

ID: 44830374