Child characteristics
| Parent and child characteristics | N | |
| Number of parents | 20 | |
| Type of parent | ||
| 14 | Mum | |
| 6 | Dad | |
| Number of children | 18 | (One set of siblings, twins) |
| Sex of child | ||
| 4 | Girl | |
| 14 | Boy | |
| Age range of child | ||
| 10 | Aged 0–5 | |
| 4 | Aged 6–10 | |
| 3 | Aged 11–15 | |
| 1 | Aged 16–20 | |
| Child’s diagnosis | ||
| 8 | Neurological condition | |
| 6 | Genetic condition | |
| 4 | Congenital condition | |
| Age at diagnosis | ||
| 3 | At birth | |
| 11 | Infancy (0–1 years) | |
| 3 | Childhood (1–9 years) | |
| 1 | Unknown | |