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Table 5 Scale characteristics and (inter)correlations of the 24-item PCC instrument

From: Validation of an instrument to assess the delivery of patient-centred care to people with intellectual disabilities as perceived by professionals

 

24-item short version

Cronbach’s alpha

Scale mean (sd)

Correlations range

1

2

3

4

5

6

7

8

1. Patients’ preferences

1, 2, 3

.71

4.05 (.58)

.31–.55

        

2. Physical comfort

6, 7, 9

.52

3.57 (.72)

.40–.56

.55***

       

3. Coordination of care

10, 11, 14

.69

3.64 (.66)

.32–.55

.55***

.54***

      

4. Emotional support

15, 16, 17

.77

3.63 (.76)

.34–.56

.45***

.56***

.43***

     

5. Access to care

18, 19, 20

.59

3.49 (.76)

.28–.45

.40***

.41***

.45***

.34***

    

6. Continuity and transition

23, 24, 25

.77

3.44 (.82)

.44–.36

.44***

.40***

.44***

.42***

.44***

   

7. Information and education

27, 28, 29

.74

3.07 (.94)

.31–.41

.31***

.41***

.32***

.41***

.31***

.41***

  

8. Family and friends

33, 34, 35

.85

3.89 (.79)

.28–.54

.49***

.46***

.41***

.54***

.28***

.36***

.33***

 

9. Overall PCC

All of the above

.93a

3.60 (.53)

.65–.76

.72***

.76***

.71***

.74***

.65***

.70***

.66***

.69***

  1. ***p < 0.001 (2-tailed). Results using the 35-item version are similar. Results are based on listwise deletion of missing cases
  2. aComposite reliability index based on the factor loadings of the first-order construct
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BMC Health Services Research

ISSN: 1472-6963

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