Effect of Educational Intervention on Knowledge and Level of Adherence among Hemodialysis Patients: A Randomized Controlled Trial

Table 2

Mean scores of knowledge before and after intervention.

Groups	Knowledge: mean (SD)			With group comparison value)	Between-group comparison value)
	Pretest n = (80)	Posttest_6 m n = (80)	Posttest_1 yr n = (80)
Intervention	18.91 (7.02)	20.41 (6.29)	25.00 (4.01)	<0.001	0.044
Control	18.65 (6.27)	19.69 (7.11)	22.14 (7.38)	0.003