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Table 4 Confirmatory factor analysis of the GADIS-A

From: Psychometric properties of the Farsi version of the gaming disorder scale for adolescents (GADIS-A)

Model

χ2

df

P value

χ2/df

RMSEA

SRMR

CFI

TLI

AIC

BIC

One-factor

50.525

27

0.0001*

1.871

0.122

0.094

0.856

0.815

1312.2

1346.7

Two-factor

30.225

24

 

1.259

0.083

0.074

0.934

0.915

1298.0

1338.1

  1. RMSEA Root Mean Square Error of Approximation, SRMR standardized root mean square residual, CFI Comparative Fit Index, TLI Tucker-Lewis index, AIC Akaike’s Information Criterion, BIC Bayesian Information Criterion
  2. *χ2 significant at p < 0.01