+ Site Statistics
References:
54,258,434
Abstracts:
29,560,870
PMIDs:
28,072,757
+ Search Articles
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ PDF Full Text
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Translate
+ Recently Requested

Estimation of body fat in Caucasian and African-American girls: total-body electrical conductivity methodology versus a four-component model



Estimation of body fat in Caucasian and African-American girls: total-body electrical conductivity methodology versus a four-component model



International Journal of Obesity and Related Metabolic Disorders 24(9): 1200-1206



Obesity has been increasing dramatically in recent years among children, particularly African-American girls. Total-body electrical conductivity (TOBEC) is a simple way to measure body fat with minimal risk. This study compared the agreement between the percentage of fat mass (%FM) predicted using two TOBEC equations with %FM measured by a four-component model in 73 Caucasian and 41 African-American girls. %FM predicted using the TOBEC equations was compared with %FM from the four-component model based on measurements of body density, body water and bone mineral content. Analyses by linear regression analysis and by the Bland and Altman methods comparison procedure showed that the equation using the square root of the TOBEC zero-order Fourier coefficient and the subject's height yielded more accurate and more reproducible %FM, regardless of race, than the TOBEC linear equation, which was based on the zero-, first- and second-order Fourier coefficients. The Bland and Altman comparison further revealed that the accuracy and limits of agreement of the TOBEC linear equation were related to body fatness among the Caucasian girls. The relationship, however, disappeared when prepubescent girls and a girl with low %FM were excluded from the analysis. The TOBEC square root equation with adjustment for body geometry and length is recommended for use in adolescent girls, as it yielded better agreement with the criterion method. However, further validation of the TOBEC instrumentation for estimating body fat in prepubescent children and children with low body fat is warranted.

Accession: 045992883

Download citation: RISBibTeXText

PMID: 11033991

DOI: 10.1038/sj.ijo.0801369


Related references

Estimation of body fat in Caucasian and African-American girls: total-body electrical conductivity methodology versus a four-component model. International Journal of Obesity 24(9): 1200-1206, 2000

Estimation of neonatal body composition: isotope dilution versus total-body electrical conductivity. Biology of the Neonate 81(3): 170-175, 2002

Estimating body fat in African-American and Caucasian girls A comparison of skinfold equations to a 4-compartment criterion model. FASEB Journal 14(4): A498, March 15, 2000

Estimation of body composition by total body electrical conductivity in neonates less than 2000 g. Clinical Research 40(3): 730A, 1992

Measurement of total body electrical conductivity: a new method for estimation of body composition. American Journal of Clinical Nutrition 37(5): 735-739, 1983

Body composition in adolescents: estimation by total body electrical conductivity. Journal of Applied Physiology 63(3): 937-941, 1987

Estimation of fat free body from total body electrical conductivity analysis. FASEB Journal 2(5): ABSTRACT 6617, 1988

Estimation of body composition by total body electrical conductivity tobec in neonates less than 2000 g. Pediatric Research 31(4 PART 2): 285A, 1992

Estimation of body composition by total body electrical conductivity in small laboratory animals. Pediatric Research 29(4 PART 2): 301A, 1991

Measurement of total body electrical conductivity: a new method for the rapid estimation of human body composition. AIN symposium proceedings: Nutrition '87 Orville A Levander editor: 7, 1987

Estimation of body composition by total body electrical conductivity in neonates greater than or equal to 2000 g. Clinical Research 40(3): 729A, 1992

Estimation of lean body mass in infants by anthropometry 40K counting, 18O dilution, and total body electrical conductivity. FASEB Journal 8(4-5): A278, 1994

Estimation of body composition by total body electrical conductivity tobec in neonates greater than or equal to 2000 g. Pediatric Research 31(4 PART 2): 285A, 1992

Measuring body fat in infancy Anthropometry versus total body electrical conductivity. Pediatric Research 35(2): 268, 1994

An evaluation of the use of total body electrical conductivity for the estimation of body composition in adult rats: effect of dietary obesity and adrenalectomy. Physiology and Behavior 57(4): 765-772, 1995