Table 3. Standardized direct, indirect, and total effects for the mediation model.

Model pathways	Standardized estimated effects	p
	(95% CI a)
Indirect effects	0.056 (0.037,0.076)	< .001
Perceived health literacy -> Positive attitudes toward general vaccination -> COVID-19 vaccine acceptance	0.004 (0.001,0.008)	0.037
Perceived health literacy -> Self-efficacy of COVID-19 vaccine -> COVID-19 vaccine acceptance	0.053 (0.034,0.073)	< .001
Direct effect	0.037 (-0.005,0.081)	0.093
Total effects b	0.093 (0.048,0.137)	< .001

^a Bootstrapped 95% Confidence intervals (N = 5000);

^b Total effect = indirect effect + direct effect.