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Table 2 Goodness-of-fit statistics for the confirmatory factor analysis models

From: The psychometric properties of the grazing questionnaire in an obesity sample with and without binge eating disorder

Model

χ2

df

p

RMSEA

CFI

TLI

SRMR

Δχ2

Δdf

Model 1a

38.44

13

0.001

0.096

0.98

0.96

0.04

–

–

Model 2b

16.23

12

0.181

0.044

1.00

0.99

0.02

–

–

Model 3c

20.59

13

0.081

0.057

0.99

0.99

0.03

–

–

Model 1 versus Model 2

–

–

–

–

–

–

–

18.65**

1

Model 3 versus Model 2

–

–

–

–

–

–

–

4.36*

1

  1. CFI comparative fit index, RMSEA root-mean-square error of approximation, SRMR standardised-root-mean square residual, TLI Tucker–Lewis index
  2. aHypothesised 2-factor model. bRespecified 2-factor model. c1-factor model
  3. *p < 0.05. **p < 0.001
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Journal of Eating Disorders

ISSN: 2050-2974