Health promotion
| Have you talked to anyone or been given information about: (Answer) | Matched pairs | Number of subjects | Number of controls | p value | 95% CI of the difference |
| How your body changes as you grow up (Yes) | 78 | 64 | 72 | 0.096 | −21% to 0.1% |
| Sexuality, being straight, gay, etc (Yes) | 76 | 42 | 53 | 0.071 | −28% to 0.4% |
| Sex and contraception (Yes) | 71 | 43 | 57 | 0.004 | −32% to −7% |
| Unprotected sex and HIV (Yes) | 71 | 51 | 55 | 0.45 | −16% to 5% |