Model

χ²

df

χ²/df

RMSEA

SRMR

CFI

NNFI

1) Five-factor model: UPB/CA/RA/SA/IF

677.61

424

1.60

0.05

0.07

0.99

0.99

2) Four-factor model: UPB/CA + RA/SA/IF

735.57

428

1.72

0.05

0.08

0.99

0.99

3) Three-factor model: UPB/CA + RA + SA/IF

1438.64

431

3.34

0.11

0.17

0.97

0.96

4) Two-factor model: UPB + CA + RA + SA/IF

2255.87

433

5.21

0.15

0.20

0.94

0.93

5) One-factor model: UPB + CA + RA + SA + IF

2619.43

434

6.04

0.16

0.20

0.93

0.92