TABLE 3.

Mediating effect test.

	Path way	Coefficient	Bootstrap 95% CI	Effect ratio (%)
Total effects		0.234	0.185–0.282
Direct effects		0.126	0.082–0.170	53.846
Total indirect effects		0.108	0.071–0.146	46.154
Indirect effects	1.IUS-PRCV-UBB	0.035	0.021–0.050	32.407
	2.IUS-PM-UBB	0.058	0.026–0.091	53.704
	3.IUS-PRCV-PM-UBB	0.015	0.008–0.023	13.889

N = 1,564. IUS, intolerance of uncertainty; PRCV, perceived risk of COVID-19 variants; PM, protection motivation; UBB, “untact” buying behavior.