Table 4.
Principal component analysis
| Factor no. | Eigenvalue | Proportion of variance accounted for | Cumulative proportion of variance accounted for |
|---|---|---|---|
|
1 |
9.535 |
0.636 |
0.636 |
|
2 |
1.316 |
0.088 |
0.723 |
| 3 |
0.971 |
0.065 |
0.788 |
| 4 |
0.766 |
0.051 |
0.839 |
| 5 |
0.481 |
0.032 |
0.871 |
| 6 |
0.406 |
0.027 |
0.898 |
| 7 |
0.345 |
0.023 |
0.921 |
| 8 |
0.294 |
0.020 |
0.941 |
| 9 |
0.237 |
0.016 |
0.957 |
| 10 |
0.196 |
0.013 |
0.970 |
| 11 |
0.137 |
0.009 |
0.979 |
| 12 |
0.102 |
0.007 |
0.986 |
| 13 |
0.091 |
0.006 |
0.992 |
| 14 |
0.066 |
0.004 |
0.996 |
| 15 | 0.058 | 0.004 | 1.000 |
The numbers in bold indicate the factors which met the standard rule of an eigenvalue of 1 or higher.