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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