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. 2012 Aug 30;13:435. doi: 10.1186/1471-2164-13-435

Table 2.

Loadings of variables on the first two extracted principal components

Variable PC 1 PC 2
Mono-
0.885
−0.100
Di-
0.939
−0.036
Tri-
0.892
−0.035
Tetra-
0.875
−0.138
Penta-
0.752
−0.206
Hexa-
0.500
0.859
Eigenvalue
4.041
0.811
% of Variance
67.351
13.518
Equation
Y1 = 0.440X1 + 0.467X2 + 0.444X3 + 0.435X4 + 0.374X5 + 0.248X6
Y2 = −0.111X1-0.040X2-0.038X3-0.153X4-0.229X5 + 0.953X6
Cumulative %
80.869
KMO Measure
0.866
Bartlett's Test
< 0.001 (df = 15)
Scree Test
Y
Analyzed No. 257