Table 2. Score means pre- and post-test between groups.

		Mean	Score percentage	Quality score	95% confidence interval	Standard deviation
Pretest	Intervention	6.73	35.59%	Very inadequate	5.32-8.14	2.54
	Control	6.25	28.4%	Very inadequate	5.00-7.50	2.67
Posttest	Intervention	17.27	78.5%	Good knowledge	16.00-18.53	2.28
	Control	13.05	59.54%	Inadequate	11.64-14.46	3.01