Theme | Total | Obs. | Obs. | Subject | Sub-theme | Sub-theme | Variable |
---|---|---|---|---|---|---|---|
 |  | group |  | section | series | slice |  |
Clinical | 1030430 | 4495 | 25210 | 1416 | 25 | 6452 | 506 |
Cognitive | 761650 | 4612 | 9826 | 1415 | 19 | 4069 | 367 |
Imaging | 58601 | 866 | 2136 | 365 | 12 | 941 | 59 |
Lifestyle | 710594 | 4026 | 11953 | 1415 | 19 | 7360 | 391 |
Study | 235566 | 5384 | 6218 | 1414 | 13 | 3292 | 155 |