Data
250,817 items of data are available, covering 215,112 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 = 6.17113
- Std.dev = 2.14534
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
165,410 participants, 165,410 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 = 5.97902
- Std.dev = 2.15969
|
Instance 1 : First repeat assessment visit (2012-13)
20,110 participants, 20,110 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 = 6.58538
- Std.dev = 2.08032
|
Instance 2 : Imaging visit (2014+)
60,234 participants, 60,234 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 = 6.51106
- Std.dev = 2.06602
|
Instance 3 : First repeat imaging visit (2019+)
5,063 participants, 5,063 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 = 6.75785
- Std.dev = 2.01069
|
