Table 5.
Path Coefficients of Direct and Indirect Effects between Four Symptoms and Physical Performance
| Unstandardized | SE | Standardized | |
|---|---|---|---|
| Direct effects | |||
| Dyspnea -> Anxiety | 0.222*** | .032 | .472*** |
| Dyspnea -> Depression | 0.251*** | .035 | .456*** |
| Dyspnea -> Fatigue | 0.376*** | .082 | .277*** |
| Anxiety -> Fatigue | 0.755** | .247 | .262** |
| Depression -> Fatigue | 1.073*** | .210 | .435*** |
| Dyspnea -> Physical Performance | −3.155*** | .209 | −.896*** |
| Anxiety -> Physical Performance | 1.994*** | .543 | .266*** |
| Depression -> Physical Performance | −.591 | .468 | −.092 |
| Fatigue -> Physical Performance | −.323 | .235 | −.124 |
| Indirect effects | |||
| Dyspnea -> Fatigue | 0.437*** | .071 | - |
| Dyspnea -> Physical Performance | 0.032 | .130 | - |
| Anxiety -> Physical Performance | −0.244** | .080 | - |
| Depression -> Physical Performance | −0.346*** | .068 | - |
Note.
p < .01.
p < .001.