| Ethnic Control group | White Comparison group | P |
---|---|---|---|
 | Mean change (SD | Mean change (SD) | 2 sample t-test |
Knowledge | Â | Â | Â |
 | 0.47 (4.5) | 2.2 (7.0) | 0.58 |
Attitude towards seriousness | Â | Â | Â |
 | 1.38 (2.2) | 1.2 (2.5) | 0.60 |
Attitude towards complication | Â | Â | Â |
 | 0.45 (3.0) | 0.9 (3.0) | 0.55 |
Practice | Â | Â | Â |
 | 0.26 (3.2) | 1.1 (1.6) | 0.29 |