Skip to main content

Table 2 Fit statistics for confirmatory factor analysis models

From: Assessing cognition and daily function in early dementia using the cognitive-functional composite: findings from the Catch-Cog study cohort

 

Chi-square

df

p value

CFI

RMSEA [90%CI]

SRMR

Comparison with single-factor model

Comparison with two-factor model

Model 1: single factor

62.952

20

< .001

.891

.108 [.079–.139]

.070

N.A.

N.A.

Model 2: MEM + EF

52.543

19

< .001

.915

.098 [.067–.130]

.064

ChiSq(1) = 10.409, p = .001

N.A.

Model 3A: MEM + EF + IADL

45.269

18

< .001

.931

.091 [.058–.124]

.060

Chisq(2) = 17.683, p < .001

Chisq(1) = 15.873, p < .001

  1. Model 1: Single factor based on all eight CFC subtests
  2. Model 2: MEM = Word Recognition + Orientation + Word Recall, EF = Controlled Word Association Test + Category Fluency + Digit Symbol Substitution + Digit Span Backward + Amsterdam IADL Questionnaire
  3. Model 3: MEM = Word Recognition + Orientation + Word Recall, EF = Controlled Word Association Test + Category Fluency + Digit Symbol Substitution + Digit Span Backward, IADL = Amsterdam IADL Questionnaire
  4. Abbreviations: CFI Comparative Fit Index, EF executive functioning, IADL instrumental activities of daily living; MEM memory, RMSEA Root mean squares of error approximation, SRMR Standardized root mean square residual