Table 3 Convergent validity and internal validity of EC-PC

From: Living with chronic illness scale: international validation of a new self-report measure in Parkinson’s disease

 

EC-PC

 

Domain 1. Acceptance

Domain 2. Coping

Domain 3. Self- management

Domain 4. Integration

Domain 5. Adjustment

Total score

Convergent validity

 Hoehn and Yahr staging

−0.17

−0.05

−0.02

−0.13

−0.02

−0.09

 CISI-PD

−0.25

−0.07

−0.03

−0.14

−0.15

−0.16

 SCOPA-Motor

−0.27

−0.01

0.07

−0.03

−0.14

−0.08

 Non-Motor Symptoms Scale

−0.36

−0.23

−0.18

−0.24

−0.19

−0.32

 SCOPA-Psychosocial

−0.40

−0.09

−0.08

−0.23

−0.24

−0.25

 DUFSS

0.12

0.61

0.57

0.57

0.36

0.61

 Satisfaction—With Life as a whole

0.43

0.29

0.28

0.33

0.48

0.46

 With physical health

0.32

0.15

0.15

0.26

0.27

0.28

 With psychological well-being

0.40

0.22

0.21

0.26

0.34

0.35

 With social relations

0.41

0.24

0.23

0.30

0.34

0.38

 With leisure

0.40

0.29

0.26

0.36

0.41

0.43

 With financial situation

0.38

0.05

0.05

0.10

0.24

0.18

Internal validity

 Domain 2. Coping

−0.00

—

—

—

—

—

 Domain 3. Self-management

0.01

0.78

—

—

—

—

 Domain 4. Integration

−0.04

0.71

0.73

—

—

—

 Domain 5. Adjustment

0.23

0.54

0.47

0.46

—

—

  1. Abbreviations: CISI-PD, Clinical Impression of Severity Index-PD; DUFSS, Duke-UNC Functional Social Support Questionnaire; EC-PC, Living with Chronic illness-PD Scale; SCOPA-Motor, The Scales for Outcomes in Parkinson’s Disease-Motor; SCOPA-Psychosocial, Scales for Outcomes in Parkinson’s Disease-Psychosocial.
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