Skip to main content

Table 5 Preliminary construct validity analysis (Pearson correlations)

From: Patient Uncertainty Questionnaire-Rheumatology (PUQ-R): development and validation of a new patient-reported outcome instrument for systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) in a mixed methods study

PUQ-R

CQR

HADS-A

HADS-D

PCS

MCS

SLE

     

Symptoms & flares

–

–

–

–

–

Medication

0.22*

−0.18*

−0.29**

0.28**

0.22**

Trust in doctor

0.33**

−0.23**

−0.36**

0.21**

0.20**

Self-management

–

−0.28**

−0.21**

–

0.16*

Impact

0.18*

−0.38**

−0.52**

0.47**

0.31**

RA

     

Symptoms & flares

0.26*

–

–

–

–

Medication

0.31**

–

–

0.19**

0.19*

Trust in doctor

0.39**

–

–

–

–

Self-management

–

−0.20*

−0.24*

0.20**

0.20*

Impact

–

−0.43**

−0.57**

0.35**

0.34**

  1. CQR Compliance Questionnaire Rheumatology
  2. HADs-A Anxiety; HADs- D; Depression PCS physical component scale (SF-36); MCS mental component scale (SF-36)
  3. *p < 0.05
  4. **p < 0.01