Data
261,798 items of data are available, covering 221,024 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Units of measurement are correct-answers.
| Maximum | 13 |
| Decile 9 | 9 |
| Decile 8 | 8 |
| Decile 7 | 7 |
| Decile 6 | 7 |
| Median | 6 |
| Decile 4 | 6 |
| Decile 3 | 5 |
| Decile 2 | 4 |
| Decile 1 | 3 |
| Minimum | 0 |
|
|
- There are 14 distinct values.
- Mean = 6.172
- Std.dev = 2.14115
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
165,349 participants, 165,349 items
| Maximum | 13 |
| Decile 9 | 9 |
| Decile 8 | 8 |
| Decile 7 | 7 |
| Decile 6 | 7 |
| Median | 6 |
| Decile 4 | 5 |
| Decile 3 | 5 |
| Decile 2 | 4 |
| Decile 1 | 3 |
| Minimum | 0 |
|
|
- There are 14 distinct values.
- Mean = 5.97884
- Std.dev = 2.15962
|
Instance 1 : First repeat assessment visit (2012-13)
20,104 participants, 20,104 items
| Maximum | 13 |
| Decile 9 | 9 |
| Decile 8 | 8 |
| Decile 7 | 8 |
| Decile 6 | 7 |
| Median | 7 |
| Decile 4 | 6 |
| Decile 3 | 5 |
| Decile 2 | 5 |
| Decile 1 | 4 |
| Minimum | 0 |
|
|
- There are 14 distinct values.
- Mean = 6.58526
- Std.dev = 2.08014
|
Instance 2 : Imaging visit (2014+)
69,781 participants, 69,781 items
| Maximum | 13 |
| Decile 9 | 9 |
| Decile 8 | 8 |
| Decile 7 | 8 |
| Decile 6 | 7 |
| Median | 6 |
| Decile 4 | 6 |
| Decile 3 | 5 |
| Decile 2 | 5 |
| Decile 1 | 4 |
| Minimum | 0 |
|
|
- There are 14 distinct values.
- Mean = 6.45948
- Std.dev = 2.06642
|
Instance 3 : First repeat imaging visit (2019+)
6,564 participants, 6,564 items
| Maximum | 13 |
| Decile 9 | 9 |
| Decile 8 | 8 |
| Decile 7 | 8 |
| Decile 6 | 7 |
| Median | 7 |
| Decile 4 | 6 |
| Decile 3 | 6 |
| Decile 2 | 5 |
| Decile 1 | 4 |
| Minimum | 0 |
|
|
- There are 14 distinct values.
- Mean = 6.71557
- Std.dev = 2.01918
|
