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Table 4 Omega statistics for the MSQOL-54 total and subscales scores

From: Viability of a MSQOL-54 general health-related quality of life score using bifactor model

Subscale No. of items ω ωS
Physical function 10 0.96 0.55
Role limitations due to physical problems 4 0.89 0.46
Role limitations due to emotional problems 3 0.86 0.53
Bodily pain 3 0.92 0.52
Emotional wellbeing 5 0.85 0.41
Energy 5 0.86 0.22
Health perceptions 5 0.82 0.35
Cognitive function 4 0.91 0.57
Health distress 4 0.93 0.35
Sexual function 4 0.87 0.70
  1. ω = scores reliability considering all sources of common variance (the general and the group factor); ωS (omega hierarchical subscale) = scores reliability considering only the common variance due to the group factor, that is the reliability of subscales scores, controlling for the effects of the general factor