Table 4.

Mediation analysis.

Relationship	Direct Effect without Mediator	Direct Effect with Mediator	Mediation Effect
PIT→PA→MIS	0.147 *	0.084 n.s.	Full mediation
PS→PA→MIS	0.219 **	0.140 *	Partial mediation
IO→NA→MIS	0.003 n.s.	−0.036 n.s.	No mediation
SO→NA→MIS	0.401 ***	0.304 ***	Partial mediation

Notes: *: p < 0.05; **: p < 0.01; ***: p < 0.001; n.s.: not significant.