Demographics of participants
| NBS laboratory staff | ||
| Profession | Number of staff interviewed | |
| Director of NBS laboratory | 9 | |
| Consultant biochemist/haematologist | 2 | |
| Senior/ clinical scientist | 11 | |
| Length of service | Median 12.0 years | Range 1.0 to 22.0 years |
| Length of interview | Median 30.8 min | Range 13.3 to 45.1 mins |
| Clinical teams | ||
| Profession | Number of staff interviewed | |
| Medical consultant | 21 | |
| Clinical nurse specialist | 21 | |
| Screening specialist nurse/midwife | 5 | |
| Service coordinator | 1 | |
| Paediatric dietician | 1 | |
| Length of service | Median 11.0 years | Range 1.5 to 23.0 years |
| Length of interview | Median 33.4 min | Range 10.4 to 54.6 mins |
NBS, newborn blodspot screening.