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Table 2 Unidimensionality and monotonicity of the self and proxy version of the TSC-PROM

From: Understanding the impact of tuberous sclerosis complex: development and validation of the TSC-PROM

 

Self

  

Proxy

  
 

Physical functions

Mental functions

Activities and participation

Physical functions

Mental functions

Activities and participation

Unidimensionality

 CFA

      

 CFI

0.90

0.97

0.97

0.88

0.90

0.96

 TLI

0.89

0.97

0.97

0.86

0.90

0.95

 RMSEA

0.07

0.06

0.11

0.08

0.08

0.12

Bi-factor model

 ωh

0.59

0.72

0.75

0.53

0.67

0.72

 ECV

0.53

0.60

0.64

0.40

0.53

0.58

Monotonicity

 Hi

 > 0.10

 > 0.31

 > 0.50

 > 0.02

 > 0.06

 > 0.21

 H

0.30

0.518

0.62

0.27

0.37

0.49

  1. Values in bold indicate acceptable fit. Predefined criteria are provided (see Additional file 1)
  2. CFA Confirmatory factor analysis, CFI Comparative fit index, ECV Explained common variance, RMSEA Root mean square error of approximation, TLI Tucker-Lewis index