Figure 1From: Improvement of the low knowledge, attitude and practice of hepatitis B virus infection among Saudi national guard personnel after educational interventionPercentage of post-intervention improvement of mean overall knowledge, attitude, and practice (KAP) score and its components’ scores compared to pre-intervention scores among SANG soldiers (Jeddah, 2009). P-values using Wilcoxon signed rank tests for all scores’ improvements were <0.001.Back to article page