| Reasons for use | Staff | Frequency (%) |
| Imposed by partner | 34 | 12.1 |
| Pregnancy prevention | 216 | 77.1 |
| STI prevention | 30 | 10.7 |
| Reasons for not using |
|
|
| Lack of willpower | 357 | 53.1 |
| Lack of information | 311 | 46.3 |
| Financial problems | 4 | 0.6 |