Characteristics of study participants (n=55)
| Variable | |
| Role, n (%) | |
| Neonatologist | 21 (38.2) |
| Neonatology fellow | 8 (14.5) |
| Neonatal nurse practitioner | 26 (47.2) |
| Neonatology experience, years, median (IQR) | 10.5 (3, 20) |
| Confidence level*, median (IQR) | 4 (4, 5) |
| Laryngoscope blade preference, n (%) | |
| Size-0 | 17 (30.9) |
| Size-00 | 31 (56.3) |
| No preference | 7 (12.7) |
*Self-reported 5-point rating scale (1=least confident, 5=most confident).