| Intervention group | Control group | P |
---|---|---|---|
 | Mean change (SD) | Mean change (SD) | 2 sample t-test |
Knowledge | Â | Â | Â |
 | 1.72 (5.4) | 0.47 (4.5) | 0.27 |
Attitude towards seriousness | Â | Â | Â |
 | 1.21 (2.4) | 1.38 (2.2) | 0.76 |
Attitude towards complication s | Â | Â | Â |
 | 1.13 (3.4) | 0.45 (3.0) | 0.38 |
Practice | Â | Â | Â |
 | 1.02 (2.2) | 0.26 (3.2) | 0.23 |