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Table 4 The psychometric properties of the Diabetes Distress Scale

From: The validity and reliability of the English version of the diabetes distress scale for type 2 diabetes patients in Malaysia

  

Test (n = 114)

Retest (n = 79)

Subscales

Item no.

Cronbach’s α

(n = 114)

Corrected item-total correlation

Cronbach’s α if item deleted

Median

IQR

Median

IQR

Intraclass correlation coefficient*

Emotional Burden

2

0.86

0.68

0.83

2.00

2.00

2.00

2.00

0.52

4

0.76

0.81

2.00

1.00

1.00

2.00

0.61

7

0.60

0.86

2.00

1.00

2.00

2.00

0.59

10

0.62

0.84

2.00

2.00

2.00

2.00

0.62

14

0.74

0.82

2.00

1.00

2.00

2.00

0.56

Physician Distress

1

0.78

0.62

0.71

1.00

1.00

1.00

1.00

0.44

5

0.70

0.67

1.00

1.00

1.00

1.00

0.64

11

0.59

0.73

1.00

1.00

1.00

1.00

0.52

15

0.46

0.80

1.00

1.00

2.00

2.00

0.64

Regime Distress

3

0.84

0.54

0.83

2.00

1.00

2.00

2.00

0.49

6

0.61

0.81

2.00

2.00

2.00

2.00

0.55

8

0.75

0.77

2.00

2.00

2.00

2.00

0.57

12

0.57

0.82

2.00

1.00

2.00

1.00

0.54

16

0.73

0.78

2.00

2.00

2.00

2.00

0.48

Interpersonal Distress

9

0.81

0.67

0.72

1.00

1.00

1.00

1.00

0.38

13

0.57

0.83

1.00

1.00

1.00

2.00

0.55

17

0.73

0.64

1.00

1.00

1.00

1.00

0.44

  1. IQR = interquartile range; *p < 0.001