Table 1.
Sample description
| Total | Completer | Non-completer | |
|---|---|---|---|
| Number of schools | 23 | 16 | 7b |
| N | |||
| t0 | 5759 | 4753 | 1006 |
| t1 | 5416 | 4466 | 950 |
| t2 | 4894 | 4305 | 589 |
| Gender (%) | |||
| Girls | 47.79 | 48.77 | 42.55 |
| Boys | 52.21 | 51.23 | 57.45 |
| Grade-level (%) | |||
| 5–7 | 56.76 | 57.05 | 55.21 |
| 8–9 | 43.24 | 42.95 | 44.79 |
| School-type (%)a | |||
| A | 26.78 | 31.82 | 0 |
| B | 73.22 | 68.18 | 100 |
| Participation (%) | 88.11 | 90.20 | 78.45 |
aGymnasium is called A-level school; Haupt- and Realschule were summarized as B-level schools
bTwo of the seven non-completer schools did not participate in t2