Table 4.

Pretest and post-test knowledge score.

Mean±S.DMean±S.Dt-testdfp-value95% C.I
lowerupper
Pretest19.5±3.66      
Post-test23.07±2.20      
Paired differences -3.57±3.26-12.68133˂0.001-4.13-3.02
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