Parent interview participant characteristics
| Characteristics | n |
| Parent gender | |
| Female | 30 |
| Age of child used to select parent | |
| Preschool (<4 years) | 16 |
| Primary school (4–11 years) | 10 |
| Secondary school (>11 years) | 4 |
| Number of children per family | |
| 1 | 14 |
| 2 | 15 |
| 3 | 1 |
| Index of multiple deprivation decile (1=most deprived, 10=least) | |
| 1–3 | 8 |
| 4–6 | 6 |
| 7–10 | 16 |