| Predictor Variables | Model 1 | Model 2 | Model 3 | Model 4 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| b | β | t | p | b | β | t | p | b | β | t | p | b | β | t | p | |
| Constant Term | 83.746 | 80.600 | 75.734 | 82.180 | ||||||||||||
| Step 1 Personal Factors | ||||||||||||||||
| 1. Age | .018 | .020 | .482 | .630 | .029 | .032 | 1.020 | .309 | .031 | .034 | 1.151 | .251 | -.007 | -.008 | -.254 | .800 |
| 2. Gender-Female | -1.687 | -.072 | -1.723 | .086 | -1.338 | -.057 | -1.774 | .077 | -.801 | -.034 | -1.122 | .263 | -.872 | -.037 | -1.242 | .215 |
| 3. Nutritional Status | -3.644 | -.779 | -18.662 | .000 | -2.037 | -.436 | -10.397 | .000 | -1.590 | -.340 | -7.958 | .000 | -1.494 | -.320 | -7.511 | .000 |
| Step 2 | ||||||||||||||||
| 4. Social Support | -.479 | -.529 | -12.777 | .000 | -.413 | -.457 | -11.182 | .000 | -.373 | -.412 | -9.616 | .000 | ||||
| Step 3 | ||||||||||||||||
| 5. Pulmonary Function | -.113 | -.228 | -5.736 | .000 | -.104 | -.210 | -5.304 | .000 | ||||||||
| Step 4 | ||||||||||||||||
| 6. Functional Performance | -2.459 | -.125 | -3.032 | .003 | ||||||||||||
| R | .755 | .874 | .891 | .895 | ||||||||||||
| R2 | .601 | .764 | .793 | .801 | ||||||||||||
| R Change | .601 | .164 | .029 | .008 | ||||||||||||
| F | 118.271 | 163.264 | 32.903 | 9.191 | ||||||||||||
| Significant F | .000 | .000 | .000 | .003 | ||||||||||||