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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)

From: Daily activities and health-related quality of life in patients with chronic obstructive pulmonary disease: psychological determinants: a cross-sectional study

 

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

  1. ** P ≤ 0.01 ***P ≤ 0.001.
  2. Model 1: Crude model (univariate) separate: Illness perceptions (B-IPQ), Proactive coping (UPCC), Depressive symptoms (CES-D).
  3. Model 2: B-IPQ, UPCC and CES-D corrected for confounders age and gender.
  4. Model 3: B-IPQ, UPCC and CES-D additionally adjusted for dyspnea, FEV1, smoking status, and co-morbidities.
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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