Table 1 Characteristics of target study participants
Characteristic | Type | EARLI | IBIS | MARBLES | SEED |
|---|---|---|---|---|---|
N | - | 827 | 914 | 633 | 863 |
Sex (%) | Male | 461 (55.7) | 529 (57.9) | 177 (27.9) | 295 (34.1) |
Female | 366 (44.2) | 385 (42.1) | 456 (72.0) | 568 (65.8) | |
European | 467 (56.5) | 809 (88.5) | 345 (54.5) | 601 (69.6) | |
Non-European | 360 (43.5) | 105 (11.5) | 288 (45.5) | 262 (30.4) |