Table 4.
Regression model of illness perceptions (B-IPQ), proactive coping (UPCC), and depressive symptoms (CES-D) and the dependent variable health-related quality of life (CCQ) (N = 87)
| |
Model 1 (Block 1) univariate |
Model 2 (Block 1 and 2) |
Model 3 (Block 1, 2, 3) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| R2 | β | 95% CI | R2 | β | 95% CI | R2 | β | 95% CI | |
|
Block 1 |
|
|
|
.55 |
|
|
.60 |
|
|
| B-IPQ |
.48 |
.69*** |
.04 - .06 |
|
.68*** |
.039 - .06 |
|
.61*** |
.03 - .06 |
| UPCC |
.04 |
-.20 |
-.80 - .03 |
|
.09 |
-.142 - .513 |
|
.12 |
-.08 - .55 |
| CES-D |
.10 |
.32** |
.014 - .06 |
|
.22** |
.008 - .049 |
|
.21** |
.01 - .05 |
|
Block 2 |
|
|
|
|
|
|
|
|
|
| Age |
|
|
|
|
.01 |
-.013 - .015 |
|
-.00 |
.02 - .01 |
| Gender |
|
|
|
|
.03 |
-.205 - .311 |
|
-.01 |
-.26 - .25 |
|
Block 3 |
|
|
|
|
|
|
|
|
|
| MRC dyspnea |
|
|
|
|
|
|
|
.26*** |
.09 - .35 |
| Fev1 |
|
|
|
|
|
|
|
-.03 |
-.01 - .01 |
| Smoking status |
|
|
|
|
|
|
|
-.00 |
.27 - .25 |
| Co-morbidities | -.04 | -.35 - .19 | |||||||
** P ≤ 0.01 ***P ≤ 0.001.
Model 1: Crude model (univariate) separate: Illness perceptions (B-IPQ), Proactive coping (UPCC), Depressive symptoms (CES-D).
Model 2: B-IPQ, UPCC and CES-D corrected for confounders age and gender.
Model 3: B-IPQ, UPCC and CES-D additionally adjusted for dyspnea, FEV1, smoking status, and co-morbidities.