Screening history of subgroups in the second and third biennial invitation rounds
| Previous uptake in 1st round | Previous uptake in 2nd round | Description | |
|---|---|---|---|
| Subgroups in 2nd round | |||
| Previous Responders | Screened | – | 1st invitation to 1st incidence screening |
| Previous Non-Responders | Not screened | – | 2nd prevalence screening invitation |
| Subgroups in 3rd round | |||
| Consistent Screeners | Screened | Screened | 1st invitation to 2nd incidence screening |
| Late Entrants | Not screened | Screened | 1st invitation to 1st incidence screening |
| Dropouts | Screened | Not screened | 2nd invitation to 1st incidence screening |
| Consistent Non-Responders | Not screened | Not screened | 3rd prevalence screening invitation |