Country | Randomized schools | Approached schools | Accepted to participate | Response rate* |
---|---|---|---|---|
Austria | 22 | 22 | 15 | 68.2% |
Estonia | 23 | 23 | 19 | 82.6% |
France | 25 | 25 | 20 | 80.0% |
Germany | 100 | 41 | 26 | 63.4% |
Hungary | 23 | 19 | 15 | 78.9% |
Ireland | 24 | 24 | 17 | 70.8% |
Israel | 32 | 32 | 12 | 37.5% |
Italy | 18 | 18 | 14 | 77.8% |
Romania | 27 | 19 | 16 | 84.2% |
Slovenia | 32 | 20 | 13 | 65.0% |
Spain | 23 | 21 | 12 | 57.1% |
Total | 349 | 264 | 179 | 67.8% |