Fig. (2) Mean knowledge scores with 95% confidence interval for each treatment group across all three time points * = significant increase in knowledge p<0.05 ** = significant decrease in knowledge p<0.05 INT+FU: Baseline 57.7% (13.9), Post-intervention 68.4% (13.0), Follow-up 65.5% (11.3) INT: Baseline 59.8% (12.9), Post-intervention 69.7% (14.5), Follow-up 64.9% (12.6) CON: Baseline 56.9% (11.8), Post-intervention 72.7% (12.0), Follow-up 66.8% (11.6)