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Table 3 Factor loadings, internal consistency and item-scale correlations (N = 172)

From: Psychometric properties of the Greek Diabetes Treatment Satisfaction Questionnaire

Item

Description

Factor loadings

(CFA)

Internal consistency reliability1

Item-scale correlations2

   

Overall

Item deleted

DTSQ score

Item 2

Item 3

1

Current treatment

0.77

0.92

0.90

0.76

-0.17*

-0.26***

4

Treatment convenience

0.83

 

0.90

0.78

-0.18*

-0.35***

5

Treatment flexibility

0.74

 

0.90

0.73

-0.18*

-0.32***

6

Treatment understanding

0.87

 

0.89

0.80

-0.08

-0.25***

7

Treatment recommendation

0.67

 

0.91

0.70

-0.01

-0.31***

8

Treatment continuation

0.87

 

0.89

0.81

-0.24**

-0.38***

2

Perceived hyperglycaemia

0.48

0.78

NA

-0.20*

-

0.64***

3

Perceived hypoglycaemia

1.22

 

NA

-0.38*

0.64***

-

  1. 1 Cronbach's alpha
  2. 2 Corrected for overlap
  3. *P < 0.05, **P < 0.01, ***P < 0.001 according to Pearson's correlation