Demographics of responding units
| Baseline characteristics | Responders n, (%) |
| Type of unit | |
| Surgical neonatal intensive care unit (NICU) | 17 (35%) |
| Medical NICU | 26 (53%) |
| Local neonatal unit | 6 (12%) |
| Survey method | |
| Telephone | 6 (12%) |
| 43 (88%) | |
| Respondents | |
| Consultant | 41 (84%) |
| Registrar on-call | 2 (4%) |
| Nurse in charge | 4 (8%) |
| Research nurse | 2 (4%) |