| Source of ITN |
|
|
| Free outside the hospital | 79 | 32.7 |
| Free from the hospital | 61 | 25.2 |
| Bought from the market | 50 | 20.7 |
| Free from family and friends | 16 | 6.6 |
| Bought from the chemist | 10 | 4.1 |
| Not applicable | 26 | 10.7 |
| Total | 242 | 100.0 |