Source of information of instructions on home nebulizer use and maintenance
| Source of instruction on correct use | Answers % | Source of instruction on maintenance | Answers % |
| Nurse/physiotherapist | 6.5 | Nurse/physiotherapist | 4.2 |
| Physician | 19.3 | Physician | 7.1 |
| Retailer | 13.9 | Retailer | 12.7 |
| Friend/relative | 12.3 | Friend/relative | 10.2 |
| Leaflet from manufacturer | 39.1 | Leaflet from manufacturer | 41.1 |
| None | 11.3 | None | 22.4 |
Patients could give more than one answer to this item