Table 4.

Within and between group comparisons of caregivers’ heart failure knowledge during the study period

Variables	Mean±SD				P*	Effect size
	Baseline	1 day before discharge	4 weeks after discharge	8 weeks after discharge
Teach-back	5.35±2.47	3.75±1.64	11.19±2.33	12.21±2.45	<0.001	0.87
Multimedia	5.26±1.83	3.07±1.48	10.74±2.44	10.48±2.54	<0.001	0.77
Blended	5.98±2.10	4.34±1.41	12.36±2.55	12.87±2.52	<0.001	0.89
P**	0.64	0.002	0.007	<0.001
Effect size	0.02	0.06	0.09	0.17

*Comparsion within groups by the Friedman test, **Comparsion between group by the Kruskal-Wallis test. SD: Standard deviation