Table 3. Correlation matrix between fatigue, self-care, sociodemographic and clinical variables – João Pessoa, PB, Brazil, 2024.
| Variables | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|
| 1. Self-care | – | – | – | – | – | – | – | – | – |
| 2. DEFS | 0.065 | – | – | – | – | – | – | – | – |
| 3. DUFS | 0.118 | – | – | – | – | – | – | – | – |
| 4. Age | -0.003 | -0.279** | -0.274** | – | – | – | – | – | – |
| 5. NYHA | 0.028 | 0.501*** | 0.251* | 0.017 | – | – | – | – | – |
| 6. Treatment time | -0.074 | -0.028 | -0.049 | 0.272** | 0.039 | – | – | – | – |
| 7. FEVE | -0.021 | -0.001 | -0.090 | 0.158 | -0.090 | 0.151 | – | – | – |
| 8. Number of comorbidities | 0.058 | -0.020 | 0.046 | 0.199 | 0.157 | 0.123 | 0.042 | – | – |
| 9. Number of medications | -0.021 | 0.167 | 0.102 | 0.159 | 0.129 | 0.121 | -0.122 | 0.337** | – |
Abbreviations: DUFS – Dutch Fatigue Scale; DEFS – Dutch Exertion Fatigue Scale; NYHA – New York Heart Association; FEVE – Left ventricular ejection fraction.
*p < 0.05,
**p < 0.01,
***p < 0.001.