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Table 4 Varimax rotated components matrix for principal components analysis of boys' and girls' birth anthropometry.

From: Assessing newborn body composition using principal components analysis: differences in the determinants of fat and skeletal size

 

Boys

Girls

Component:

B1R

B2R

G1R

G2R

Birth weight

0.753

0.581

0.776

0.546

Length

0.895

0.164

0.906

0.181

Crown Rump

0.823

0.317

0.850

0.255

Knee Heel

0.834

0.078

0.809

0.202

Head Circumference

0.686

0.331

0.701

0.364

Arm Circumference

0.504

0.722

0.586

0.664

Tricep skinfold

0.196

0.873

0.260

0.860

Subscapular skinfold

0.129

0.898

0.184

0.897

%Variance

44.0

33.4

46.7

31.9

Cumulative Variance (%)

77.4

78.7

  1. Values shown are component loadings (correlation coefficients of the relationship between the components produced (B1R, B2R, G1R and G2R) and the individual measurements). B1R represents the first rotated component produced for the boys, B2R represents the second rotated component produced for the boys. G1R represents the first rotated component produced for the girls, G2R represents the second rotated component produced for the girls. Variance is the percentage variance explained by each component. Cumulative Variance indicates the variance explained by both components together.
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BMC Pediatrics

ISSN: 1471-2431

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