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Table 6 Cronbach’s alpha and McDonald’s total omega, hierarchical omega and hierarchical subscales for the three-factor model

From: French cross-cultural adaptation and validation of the Quality of Life-Alzheimer's Disease scale in Nursing Homes (QOL-AD NH)

 

α

ωs(ω)

ωhsh)

F1 “Intraperso. & interperso. environment-related QoL”

0.77

0.89

0.60

F2 “Self-functioning-related QoL”

0.72

0.84

0.58

F3 “Perceived current health-related QoL”

0.71

0.74

0.34

QoL total scale

0.86

(0.91)

(0.50)

  1. α = alpha, ωs(ω) − ωs = total omega for subscales and total ω for total scale, ωhs = omega hierarchical for subscales, ωh = omega hierarchical for general factor (general factor is a latent factor of QoL)