Table 3.
Coefficients of the multiple linear regression equation for the final physical component of quality of life
| Independent variables | Coefficients (95% CI) | Standard coefficients | Sig. | |
| Constant | 48.6 | (44,8; 52,3) | <0.001 | |
| Age | -0.25 | (-0.28; -0.27) | -0.233 | <0.001 |
| Sex | -1.21 | (-1.91; -0.51) | -0.050 | 0.001 |
| Educational level | 1.22 | (0,82; 1,62) | 0.092 | <0.001 |
| FEV1 | 0.019 | (0,16; 0,26) | 0.226 | <0.001 |
| Oxygen therapy | -2.84 | (-3.75; -1.93) | -0.101 | <0.001 |
| Body Mass Index | -0.17 | (-0.24; -0.10) | -0.068 | <0.001 |
| ≤ 2 visits to E.R. | -0.84 | (-1.02; -0.66) | -0.162 | <0.001 |
| ≤ 2 hospital admissions | -0.93 | (-1.31; -0.54) | -0.086 | <0.001 |
R2 = 0.31
Dependent variable: final physical component.
Variables excluded: size of the habitat, smoking