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Table 7 Summary of fit indices of the one- factor model compared to the existing models

From: Psychometric evaluation of the child oral impacts on daily performances (C-OIDP) for use in Turkish primary school children: a cross sectional validation study

 

1-factor model

2-factor modela

3-factor modelb

Chi-square (df)

77.14 (20)

73.42 (19)

71.09 (17)

Chi-square degree of freedom

3.857

3.864

4.181

RMSEA

0.117

0.117

0.124

CFI

0.914

0.926

0.921

GFI

0.925

0.928

0.925

NFI

0.889

0.904

0.900

SRMR

0.0514

0.0528

0.0498

AIC

4997.379

4806.699

5408.207

BIC

5050.780

4870.112

5464.945

ECVI

0.525

0.516

0.524

  1. aThe suggested new model; bThe three- factor model by Mtaya et al. CFI Comparative fit index; GFI Goodness-of-Fit statistic; NFI Normed-fit index; SRMR Standardised Root Mean Square Residual; RMSEA Root mean square error of approximation; AIC Akaike’s information criterion; ECVI Expected cross-validation index; BIC Bayesian information criterion; acceptable fits in bold