The purpose of a study by Goran et al. (A-49) was to examine the accuracy of some widely used body-composition techniques for children through the use of the dual-energy X-ray absorptiometry

(DXA) technique. Subjects were children between the ages of 4 and 10 years. The following are fat mass measurements taken on the children by three techniques—DXA, skinfold thickness (ST), and bioelectrical resistance (BR):

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Sex DXA ST BR (1= Male, 0= Female) 3.6483 4.5525 4.2636 1 2.9174 2.8234 6.0888 0 7.5302 3.8888 5.1175 0 6.2417 5.4915 8.0412 0 10.5891 10.4554 14.1576 0 9.5756 11.1779 12.4004 0