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Table 3 Statistical description and results of reliability analysis of MSQOL-54 INA

From: Validation of the Indonesian version of multiple sclerosis quality of life-54 (MSQOL-54 INA) questionnaire

Component

Number of questions

Mean ± SD

Cronbach alpha

This study

Vickrey et al.[14]

Physical function

10

60.00 ± 29.78

0.92

0.96

Health perception

5

50.70 ± 17.95

0.66

0.80

Energy

5

57.67 ± 18.11

0.72

0.84

Role limitation-physical

4

37.21 ± 22.82

0.91

0.86

Pain

3

65.50 ± 25.04

0.88

0.92

Sexual function

4

67.65 ± 39.52

0.97

0.85

Social function

3

62.79 ± 20.92

0.43

0.75

Health distress

4

43.26 ± 18.58

0.84

0.91

Overall QOL

2

65.70 ± 18.04

0.82

0.86

Emotional well-being

5

62.91 ± 22.05

0.87

0.87

Role limitation-emotional

3

42.95 ± 21.15

0.84

0.84

Cognitive function

4

46.22 ± 22.91

0.81

0.90

Change in health

1

63.37 ± 29.55

*

*

Satisfaction with sexual function

1

54.41 ± 30.92

*

*

PH composite score

8 components

51.84 ± 15.05

0.78

 

MH composite score

5 components

53.36 ± 15.57

0.79

 
  1. *Cronbach Alpha could not be computed because the scale is based one single item
  2. MSQOL-54 Multiple Sclerosis Quality of Life-54, QOL quality of life, PH Physical health, MH Mental Health