Table 3.

Comparison of the mean scores of knowledge in students, before and after of intervention in experimental group

Experimental group
Knowledge student	Mean±SD	Med	Score range [13-65]		Wilcoxon signed test p
			Lower	Upper
Before program	23.80±6.63	23	14	41	p<0.001
After program	39.89±3.58	39	24	42