Table 2 Mean total, knowledge and attitude scores of the two groups and comparison between groups before and after the course.

Total score

Before (baseline)

11.33

12.83⁺

n.s

After

12.77

15.58⁺

p < 0.05

Knowledge score

Before (baseline)

6.77

7.25^*

n.s

After

6.88

8.75^*

p < 0.05

Attitude score

Before (baseline)

4.55^*

5.58⁺

n.s

After

5.88^*

6.83⁺

p < 0.05