Table 2.

Change in knowledge about biospecimen research

Intervention (N = 175)Control (N = 240)Comparison of change between intervention and control groups
Paired T testPaired T testT test
VariablesPre-Post-P-valuePre-Post-P-valueP-value
Score of knowledge about biospecimen, mean (SD)2.2 (1.9)3.0 (2.0)<0.00012.0 (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)<0.00011.4 (1.5)1.6 (1.6)0.0541<0.0001
Willingness to donate blood, mean (SD)6.9 (2.7)7.3 (2.7)0.04666.4 (2.7)6.4 (2.6)0.91300.0921