TABLE 2.

Joint moderated mediation effect analysis.

Regression equation		Overall fit index			Significance in regression coefficient
Result Variable	Predictive variables	R	R2	F	ß	LLCI	ULCI	t
Volunteering		0.40	0.16	111.54**
	Gender				0.030	–0.019	0.070	1.130
	Psychological Capital				0.403	0.192	0.250	14.936**
		0.73	0.53	162.07**
Organizational Commitment	Gender				0.045	0.001	0.091	1.958
	Psychological Capital				–1.132	–2.001	–0.265	−2.562*
	Role Identification				–1.520	–2.524	–0.516	−2.967**
	Psychological Capital × Role Identification				0.363	0.146	0.580	3.282**
	Perceived Social Support				–1.384	–2.144	–0.625	−3.579**
	Psychological Capital × Perceived Social Support				0.280	0.120	0.440	3.441**
	Role Identification × Perceived Social Support				0.411	0.223	0.600	4.274**
	Psychological Capital × Role Identification × Perceived Social Support				–0.077	–0.116	–0.037	−3.843**
Volunteering		0.45	0.20	95.66**
	Gender				0.009	–0.035	0.053	0.394
	Organizational Commitment				0.168	0.123	0.213	7.334**
	Psychological Capital				0.155	0.122	0.189	9.107**

*represents p < 0.05; **represents p < 0.01.