Table 2.

Change in Knowledge About Biospecimen Research

Variables	Intervention (N=175)			Control (N=240)			Comparison of change between intervention and control groups
	Pre-	Post-	Paired T-test P-value	Pre-	Post-	Paired T- test P-value	T-test test P-value
Score of knowledge about biospecimen (mean(SD))	2.2(1.9)	3.0(2.0)	<0.0001	2.0(1.8)	2.2(1.8)	0.0513	<0.0001
Score of knowledge about biospecimen research (mean(SD))	1.4(1.7)	2.7(2.0)	<0.0001	1.4(1.5)	1.6(1.6)	0.0541	<0.0001
Willingness to donate blood (mean(SD))	6.9(2.7)	7.3(2.7)	0.0466	6.4(2.7)	6.4(2.6)	0.9130	0.0921