Model

Description

χ/df

CFI

TLI

RMSEA

SRMR

One-factor model

All variables combined

1226.04/527

0.661

0.639

0.071

0.078

Two -factor model

WC, IM + IB + JA

1046.31/522

0.746

0.727

0.061

0.074

Three -factor model

WC, IM + IB, JA

860.36/520

0.835

0.822

0.050

0.067

Four-factor model

WC, IM, JA, IB

821.08/517

0.853

0.840

0.047

0.065