Model

χ²

df

χ²/df

Δχ²

CFI

ΔCFI

RMSEA

ΔRMSEA

1-factor

550.689

189

2.914

Ref

0.777

Ref

0.086

Ref

2-factor

460.248

188

2.448

90.441 (1)***

0.832

0.055

0.075

0.011

3-factor

411.612

186

2.213

48.636 (2)***

0.861

0.029

0.068

0.007

4-factor

449.513

183

2.456

Δ37.901 (3)

0.836

Δ0.025

0.075

Δ0.007