Table 1 The variance explained by each component before and after rotation using the principal component analysis method
Components | Eigenvalues | The sum of squared factor loadings before rotation | The sum of squared factor loadings after rotation | ||||||
|---|---|---|---|---|---|---|---|---|---|
Total | % of variance | Cumulative % | Total | % of variance | Cumulative % | Total | % of variance | Cumulative % | |
1 | 5.67 | 21.00 | 21.00 | 5.67 | 21.00 | 21.00 | 3.82 | 14.15 | 14.15 |
2 | 2.83 | 10.49 | 31.49 | 2.83 | 10.49 | 31.49 | 2.68 | 9.93 | 24.08 |
3 | 1.96 | 7.26 | 38.76 | 1.96 | 7.26 | 38.76 | 2.63 | 9.75 | 33.84 |
4 | 1.57 | 5.83 | 44.59 | 1.57 | 5.83 | 44.59 | 2.48 | 9.19 | 43.03 |
5 | 1.48 | 5.49 | 50.09 | 1.48 | 5.49 | 50.09 | 1.90 | 7.05 | 50.09 |