Table 2. Comparing the mean and standard deviation of the studied variables before and 2 months after the educational intervention in the test and control groups .

Studied variables	Intervention time	Test		Mean differences	Paired t. test P value	Control		Mean differences	Paired t. test P value
		Mean	Standard deviation			Mean	Standard deviation
Self-care	Before educational intervention	24.98	13.3	4.03	0.001	21.12	10.4	-0.78	0.001
	2 months after educational intervention	29.01	13.1			20.34	10.5
Internal locus of control	Before educational intervention	21.56	5.3	3.97	0.001	21.95	4.2	-0.15	0.109
	2 months after educational intervention	25.53	5.5			21.80	4.2
Chance locus of control	Before educational intervention	25.02	7.1	-2.27	0.001	27.34	6.8	0.02	0.765
	2 months after educational intervention	22.75	7.0			27.36	6.7
External locus of control	Before educational intervention	26.88	4.2	-2.56	0.001	27.44	3.9	-0.15	0.207