Table 3.

Comparison of the mean (standard deviation) score of Knowledge, Attitude & Practice in the experimental and control groups in three time periods

Study variables	Time	Before the intervention	Immediately after the intervention	One month after the intervention	ANOVA test
	Group	Mean±SD	Mean±SD	Mean±SD	F	P
Knowledge	Experimental	31.4±15.4	77.8±7.2	80.8±7.4	147.90	<0.001
	Control	34.21±13.3	34.90±11.2	35.88±10.01	0.22	0.800
Attitude	Experimental	59.9±7.7	88.3±6.4	91.1±3.5	177.60	<0.001
	Control	61.59±7.4	61.11±6.3	59.56±6.3	1.97	0.160
Practice	Experimental	35.5±10.5	86.2±6.5	92.5±2.2	500.30	<0.001
	Control	37.99±8.2	38.64±7.1	37.27±7.2	0.74	0.190