Mediator Effects of Cognitive Load on Association between Self-Efficacy and Task Load in Intensive Care Unit Nurses

Table 4

Effect analysis of extraneous cognitive load as a mediator between self-efficacy and task load in ICU nurses (N = 253).

Effect	Path	β	Bias-corrected 95% CI	SE	t-value	value
Direct effect	Self-efficacy ⟶ task load	−0.662 (c′)	−0.984, −0.341	0.163	−4.057	<0.001
Indirect effect	Self-efficacy ⟶ extraneous cognitive load	−0.728 (a)	−0.929, −0.527	0.102	−7.144	<0.001
	Extraneous cognitive load ⟶ task load	0.971 (b)	0.788, 1.154	0.093	10.467	<0.001
Total effect	Self-efficacy ⟶ task load	−1.369	−1.721, −1.018	0.178	−7.681	<0.001

Note. Adjusting for covariates, including age, gender, educational level, and years of ICU working experience.