| Source of information. | Sex |
| ||||
| Male | Feminine | Total | ||||
| Eff. | % | Eff. | % | Eff. | % | |
| Not Specified | 36 | 9 | 54 | 13.5 | 90 | 22.5 |
| Parents | 10 | 2.5 | 22 | 5.5 | 32 | 8.0 |
| Friends | 5 | 1.25 | 8 | 2 | 13 | 3.25 |
| Colleagues | 0 | 0 | 3 | 0.75 | 3 | 0.75 |
| School | 72 | 18 | 92 | 23 | 164 | 41 |
| Radio | 2 | 0.5 | 2 | 0.5 | 4 | 1.0 |
| Television | 31 | 7.75 | 39 | 9.75 | 70 | 17.5 |
| Internet | 7 | 1.75 | 2 | 0.5 | 9 | 2.25 |
| Newspapers | 9 | 2.25 | 6 | 1.5 | 15 | 3.75 |
| Total | 172 | 43 | 228 | 57 | 400 | 100 |