Table 6.

Analysis results of mediating variables (5000 bootstrap samples).

Relationships	Point estimation	Product of coefficients		Bootstrapping
				Bias-corrected 95% CI		Percentile 95% CI
		S.E	Z	Lower	Upper	Lower	Upper
Effect from SS to PD
Indirect effect
SS → ES → PD	− 0.124	0.028	− 4.429	− 0.187	− 0.075	− 0.184	− 0.074
Direct effect
SS → PD	− 0.030	0.044	− 0.682	− 0.117	0.052	− 0.114	0.054
Total effect
SS → PD	− 0.154	0.045	− 3.422	− 0.245	− 0.068	− 0.243	− 0.067
Effect from ES to QOL
Indirect effect
ES → PD → QOL	− 0.100	0.025	− 4.000	− 0.156	− 0.059	− 0.156	− 0.059
Direct effect
ES → QOL	− 0.063	0.038	− 1.658	− 0.137	0.012	− 0.137	0.011
Total effect
ES → QOL	− 0.163	0.041	− 3.976	− 0.246	− 0.088	− 0.249	− 0.090
Effect from SS to QOL
Indirect effect
SS → ES → QOL	0.021	0.013	1.615	− 0.002	0.049	− 0.003	0.047
SS → PD → QOL	0.008	0.012	0.667	− 0.013	0.033	− 0.014	0.032
SS → ES → PD → QOL	0.033	0.011	3.000	0.017	0.058	0.016	0.057
Direct effect
SS → QOL	0.463	0.045	10.289	0.386	0.562	0.384	0.561
Total effect
SS → QOL	0.524	0.052	10.077	0.435	0.635	0.435	0.635

SS social support, ES experienced stigma, PD psychological distress, QOL quality of life, S.E. standard error, CI confidence interval.