Table 2.
Principal component analysis with oblique rotation
| Item | Factor | ||||
|---|---|---|---|---|---|
| 1 Cognitive, Quality of Life, Emotional | 2 Intrusive, Sense of Control | 3 Auditory | 4 Sleep | 5 Relaxation | |
| 8 | .739 | .151 | .349 | .153 | .272 |
| 20 | .733 | .383 | .041 | .271 | .232 |
| 21 | .719 | .285 | .405 | .202 | .028 |
| 19 | .704 | .284 | .459 | .190 | .037 |
| 25 | .693 | .471 | .135 | .255 | .258 |
| 22 | .676 | .233 | .370 | .206 | .216 |
| 7 | .648 | .170 | .398 | .170 | .407 |
| 23 | .647 | .472 | .151 | .185 | .287 |
| 9 | .603 | .410 | .299 | .192 | .315 |
| 24 | .589 | .552 | .163 | .201 | .283 |
| 1 | .251 | .813 | .193 | .182 | .153 |
| 3 | .296 | .774 | .259 | .179 | .250 |
| 6 | .303 | .759 | .134 | .169 | .251 |
| 2 | .258 | .716 | .312 | .181 | .245 |
| 5 | .497 | .607 | .200 | .304 | .262 |
| 4 | .184 | .596 | .202 | .240 | .107 |
| 13 | .225 | .193 | .880 | .061 | .138 |
| 14 | .283 | .211 | .864 | .134 | .140 |
| 15 | .339 | .334 | .807 | .173 | .010 |
| 11 | .242 | .232 | .142 | .885 | .195 |
| 10 | .198 | .261 | .101 | .869 | .247 |
| 12 | .252 | .231 | .155 | .865 | .203 |
| 18 | .238 | .342 | .121 | .294 | .791 |
| 16 | .342 | .380 | .137 | .310 | .715 |
| 17 | .406 | .346 | .113 | .346 | .681 |
| Initial Eigenvalue | 15.26 | 2.10 | 1.36 | 1.15 | .80 |
| % of variance | 61.06 | 8.41 | 5.44 | 4.60 | 3.20 |
| Cumulative % | 61.06 | 69.46 | 74.90 | 79.50 | 82.70 |
Appling the Jolliffe's criterion (eigenvalues >0.7) five factors could be extracted. The correlations between each item and the five factors are shown. The eigenvalues of each factor and its corresponding variance are also presented. The values less than 0.4 are italic