Structural model

χ2

df

χ2/df

RMSEA

CFI

IFI

GFI

Δχ2

Partial mediating effect, OI-GNS-JE, OI-JE

153.05

73

2.09

0.063

0.94

0.94

0.95

Full mediation

OI-GNS-JE

163.45

74

2.21

0.065

0.93

0.93

0.94

10.6

No mediation

OI-GNS,OI-JE

195.64

74

2.64

0.080

0.91

0.90

0.93

41.78

No mediation

OI-JE,GNS-JE

182.73

74

2.47

0.067

0.92

0.91

0.93

28.68