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Table 2 Internal consistency (Cronbach’s Alpha) of the Fatigue Severity Scale

From: Psychometric properties of the Fatigue Severity Scale in obese patients

 

Baseline

After intervention

Item

Corrected item-total correlation

Cronbach's alpha if item deleted

Corrected item-total correlation

Cronbach's alpha if item deleted

1

0.73

0.93

0.70

0.92

2

0.72

0.93

0.41

0.95

3

0.79

0.93

0.80

0.91

4

0.77

0.93

0.85

0.91

5

0.81

0.93

0.83

0.91

6

0.84

0.93

0.86

0.91

7

0.69

0.94

0.75

0.92

8

0.83

0.93

0.84

0.91

9

0.75

0.93

0.76

0.92