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Table 4 Internal reliability and inter-factor correlation for MUIS-P and MUIS-Cg

From: Psychometric properties of the Brief Mishel Uncertainty in illness scales for patients with advanced cancer and their family caregivers

 

MUIS-P (N = 484)

MUIS-Cg (N = 484)

Cronbach’s alpha

McDonald’s Omega

Inter-factor correlation

Cronbach’s alpha

McDonald’s Omega

Inter-factor correlation

Factor 1 (Unpredictability)

Factor 2 (Ambiguity)

Factor 1 (Unpredictability)

Factor 2 (Ambiguity)

Factor 1 (Unpredictability)

0.78

0.84

1

0.22***

0.70

0.76

1

0.24***

Factor 2 (Ambiguity)

0.66

0.72

0.22***

1

0.72

0.78

0.24***

1

Total score

0.74

0.83

0.88***

0.65***

0.72

0.79

0.86***

0.71***

  1. **p < .001; ***p < .0001