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Table 2 Goodness-of-fit statistics for the five competing models

From: Cross-cultural adaptation and psychometric properties of the Italian version of the Orthorexia Nervosa Inventory (ONI)

Model

χ2 (df)

CFI

TLI

RMSEA (90% CI)

SRMR

Unidimensional CFA

2174.447 (252)

0.867

0.855

0.093 (0.090–0.097)

0.087

First-order CFA

1060.574 (249)

0.944

0.938

0.061 (0.057–0.065)

0.061

Bifactor CFA

765.358 (228)

0.963

0.955

0.052 (0.048–0.056)

0.049

First-order ESEM

558.641 (207)

0.976

0.968

0.044 (0.040–0.048)

0.036

Bifactor ESEM

456.843 (186)

0.981

0.972

0.041 (0.036–0.045)

0.033

  1. The retained model is highlighted in bold
  2. WLSMV was employed as the parameter estimation method
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Journal of Eating Disorders

ISSN: 2050-2974