Table 2.
Factor Analysis: Structure Matrix
| Symptom | N = 687 | ||
|---|---|---|---|
| Factor 1 | Factor 2 | Factor 3 | |
| Acute volume overload | Emotional | Chronic volume overload | |
| Percent of variance in symptom impact explained by the cluster | 45.7% | 13.1% | 9.3% |
| Alpha coefficient | .72 | .758 | .734 |
| Eigenvalue | 4.113 | 1.179 | .839 |
| Did your heart failure prevent you from living as you wanted during the last month by: | |||
| Making you short of breath | .865 | .368 | .253 |
| Making you tired, fatigued, or low on energy | .879 | .426 | .363 |
| Making your sleeping well at night difficult | .586 | .443 | .475 |
| Making you feel depressed | .324 | .892 | .291 |
| Making you worry | .412 | .833 | .222 |
| Making it difficult for you to concentrate or remember things | .335 | .728 | .336 |
| Causing swelling in your ankles, legs, etc. | .255 | .317 | .875 |
| Making you sit or lie down to rest during the day (need to rest) | .686 | .398 | .699 |
| Making your walking about or climbing stairs difficult (dyspnea on exertion) | .633 | .381 | .712 |
Factor loadings in bold indicate the clusters Extraction Method: Principal Components Analysis Rotation Method: Oblimin with Kaiser Normalization