Improving depression and perceived social support enhances overall quality of life among myocardial infarction survivors: necessity for integrating mental health care into cardiac rehabilitation programs

Table 4 Serial multiple mediation with unstandardized parameter estimates

					Estimate	SE	z	p	95% CI
					Estimate	SE	z	p	Lower	Upper
Direct effects
MSPSS	→	QoL Emo			0.055	0.039	1.416	0.157	− 0.021	0.131
CDS	→	QoL Emo			− 0.006	0.008	− 0.728	0.467	− 0.022	0.010
Indirect effects
MSPSS	→	QoL Soc	→	QoL Emo	0.041	0.020	2.045	0.041	0.002	0.080
MPSSS	→	QoL Phy	→	QoL Emo	0.066	0.025	2.634	0.008	0.017	0.114
CDS	→	QoL Soc	→	QoL Emo	− 0.021	0.008	− 2.540	0.011	− 0.037	− 0.005
CDS	→	QoL Phy	→	QoL Emo	− 0.028	0.008	− 3.546	< 0.001	− 0.044	− 0.013
Total effects
MSPSS	→	QoL Emo			0.161	0.045	3.563	< 0.001	0.073	0.250
CDS	→	QoL Emo			− 0.055	0.006	− 9.339	< 0.001	− 0.066	− 0.043
Total indirect effects
MSPSS	→	QoL Emo			0.106	0.031	3.483	< 0.001	0.046	0.166
CDS	→	QoL Emo			− 0.049	0.007	− 6.600	< 0.001	− 0.064	− 0.034

The confidence interval for the indirect effect is a BCa bootstrapped CI based on 5000 samples. Qol Emo QoL emotional domain, QoL Soc QoL social domain, QoL Phy QoL physical domain