Table 1. Comparison of the changes in the mean score of "knowledge related to behavior" of the intervention group vs. the control group.

The changes in the "knowledge related to behavior” score was significantly higher in the intervention than in the control group.

	Score before the intervention	Score after the intervention	Differnce in score changes
	Mean ±SD (n)	Mean ± SD (n)	Mean ±SD(n)
Intervention group	4.37±2.27 (206)	3.67±2.16 (205)	- 0.69±2.58 (205)
Control group	3.84±2.20 (220)	3.73±2.14 (225)	- 0.11±2.19 (221)
P value	0.02	0.79	0.01