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Table 4 Goodness of fit indexes for CFA models built on a random subsample of data (n = 3,253)

From: Psychometric behaviour of the strengths and difficulties questionnaire (SDQ) in the Spanish national health survey 2006

   Factor model

Chi-Square (df)

RMSEA

(IC 90%)

GFI

AGFI

CFI

NFI

ECVI

Three uncorrelated factors according EFA analysis

2736.8

0.0758

0.880

0.859

0.963

0.959

0.872

(275)

(0.0740–0.0775)

     

Three correlated factors according to the EFA analysis

2572.1

0.0597

0.933

0.920

0.965

0.961

0.823

(272)

(0.0580–0.0615)

     

Five correlated factors according to the EFA analysis

2255.0

0.0589

0.948

0.937

0.970

0.966

0.730

(265)

(0.0571–0.0608)

     

Five correlated factors according to the theoretical model

2693.3

0.0571

0.927

0.911

0.963

0.959

0.865

 

(265)

(0.0553–0.0589)