Table 4.

Mediation effect test.

Hypothesis path	Estimates	Bias-corrected 95% CI		Percentile 95% CI		Results
		Lower	Upper	Lower	Upper
HEV → TV → UB	0.2631	0.1807	0.3543	0.1803	0.3521	Supported
HEV → TEV → UB	0.0848	0.0075	0.1717	0.0058	0.1653	Supported
HEV → RV → UB	0.3817	0.3102	0.4540	0.3093	0.4582	Supported
HEV → SV → UB	0.3053	0.2192	0.3928	0.2197	0.3933	Supported