Model

χ2

df

χ2/df

RMSEA

CFI

NNFI

SRMR

1) Four-factor model: POQ; WE; WT; FWSS;

88.66

48

1.85

0.06

0.98

0.97

0.04

2) Three -factor model: POQ; WT + WE; FWSS;

282.09

51

5.53

0.15

0.87

0.83

0.11

3) Two-factor model: POQ + FWSS; WE + WT;

355.38

53

6.71

0.17

0.83

0.79

0.14

4) One-factor model: POQ + WE + WT + FWSS;

1001.18

54

18.54

0.29

0.47

0.36

0.23