variable

χ²

df

χ²/df

RMSEA

GFI

IFI

CFI

Three-factor model

240.186

227

1.058

0.016

0.906

0.955

0.950

Two-factor model

335.767

230

1.460

0.045

0.869

0.623

0.589

Single factor model

419.203

231

1.815

0.060

0.837

0.327

0.269