Table 2.

Comparison of the average scores of knowledge, attitude, and self-care behaviors, before and 3 months after the intervention in both groups

Variable		Experimental group	Control group	P-value*
		M ± SD	M ± SD
Knowledge	Before intervention	21.23 ± 1.82	19.77 ± 1.09	0.165
	3 months after intervention	32.02 ± 1.40	21.77 ± 1.42	0.001
	P-value**	P < 0.001	0.940
Attitude	Before intervention	19.38 ± 1.03	20.17 ± 1.35	0.095
	3 months after intervention	33.19 ± 1.29	23.12 ± 1.36	0.001
	P-value**	P < 0.001	0.141
Self-care behaviors	Before intervention	11.04 ± 1.46	11.80 ± 1.43	0.140
	3 months after intervention	15.16 ± 1.22	10.10 ± 1.17	0.001
	P-value**	P < 0.001	0.082

*Independent t-test

**Paired t test