3. Data missing for primary outcome.
| Trial | Recruited intervention |
Recruited control |
Recruited total |
Missing intervention |
Missing control | Available intervention |
Available control |
Available total |
Comments |
| ESD trialists 2012 | 885 | 874 | 1759 | 31 | 25 | 854 (96%) | 849 (97%) | 1703 (97%) | |
| Adelaide 2016 | 31 | 32 | 63 | 2 | 2 | 29 (94%) | 30 (94%) | 59 (94%) | Not available as dichotomous outcome |
| ATTEND pilot 2015 | 50 | 54 | 104 | 5 | 9 | 45 (90%) | 45 (83%) | 90 (87%) | |
| Aveiro 2016 | 95 | 95 | 190 | 19 | 17 | 76 (80%) | 78 (82%) | 154 (81%) | |
| Bergen 2014 | 207 | 99 | 306 | 44 | 33 | 163 (79%) | 66 (67%) | 229 (75%) | |
| Total | 1268 | 1154 | 2422 | 101 | 86 | 1166 (92%) | 1068 (93%) | 2234 (92%) |