Comparison of anthropometry to dual energy x-ray absorptiometry: A new prediction equation for women

Stephen Ball, Pamela Swan, Rosemarie DeSimone

    Research output: Contribution to journalArticle

    42 Scopus citations

    Abstract

    The purpose of this study was to assess the accuracy of three recommended anthropometric equations for women and then develop an updated prediction equation using dual energy x-ray absorptiometry (DXA). The percentage of body fat (%BF) by anthropometry was significantly correlated (r =.896-.929; p <.01) with DXA, but each equation underestimated %BF (3.2-5.6 %BF; p <.01). The following DXA criterion (DC) equation was created: %BF = −6.40665 + 0.41946(S3SF) − 0.00126(S3SF)2 + 0.12515(hip) + 0.06473 (age); (S3SF = sum of triceps, suprailiac, thigh; hip = circumference in cm; age = years). The predicted residual sum of squares (PRESS) R2 was high (0.86), and the PRESS standard error of estimate (SEE) was low (2.5 %BF) for our sample of 150 women. The DC equation was further crosschecked on a separate sample of women (n = 25) and again showed excellent agreement. The DC equation appears to be a more accurate estimation of %BF in women.

    Original languageEnglish (US)
    Pages (from-to)248-258
    Number of pages11
    JournalResearch Quarterly for Exercise and Sport
    Volume75
    Issue number3
    DOIs
    StatePublished - Sep 2004

    Keywords

    • Body composition
    • Body fat
    • DXA
    • Skinfolds

    ASJC Scopus subject areas

    • Orthopedics and Sports Medicine
    • Physical Therapy, Sports Therapy and Rehabilitation
    • Nephrology

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