Data
646,251 items of data are available, covering 501,938 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
| Maximum | 2025-09-19 |
| Decile 9 | 2022-05-17 |
| Decile 8 | 2013-04-07 |
| Decile 7 | 2010-04-09 |
| Decile 6 | 2009-10-28 |
| Median | 2009-06-17 |
| Decile 4 | 2009-02-10 |
| Decile 3 | 2008-09-30 |
| Decile 2 | 2008-05-29 |
| Decile 1 | 2008-01-31 |
| Minimum | 2006-03-13 |
|
|
- There are 4848 distinct values.
- Mean = 2011-07-27
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,938 participants, 501,938 items
| Maximum | 2010-10-01 |
| Decile 9 | 2010-04-07 |
| Decile 8 | 2009-11-21 |
| Decile 7 | 2009-08-12 |
| Decile 6 | 2009-04-30 |
| Median | 2009-01-26 |
| Decile 4 | 2008-10-11 |
| Decile 3 | 2008-07-12 |
| Decile 2 | 2008-04-09 |
| Decile 1 | 2007-12-14 |
| Minimum | 2006-03-13 |
|
|
- There are 1068 distinct values.
- Mean = 2009-01-22
|
Instance 1 : First repeat assessment visit (2012-13)
20,323 participants, 20,323 items
| Maximum | 2013-06-07 |
| Decile 9 | 2013-05-14 |
| Decile 8 | 2013-04-21 |
| Decile 7 | 2013-03-24 |
| Decile 6 | 2013-02-24 |
| Median | 2013-01-27 |
| Decile 4 | 2012-12-15 |
| Decile 3 | 2012-11-15 |
| Decile 2 | 2012-10-17 |
| Decile 1 | 2012-09-18 |
| Minimum | 2009-12-12 |
|
|
- There are 295 distinct values.
- Mean = 2013-01-18
- 2 items below graph minimum of 2012-01-24
|
Instance 2 : Imaging visit (2014+)
102,521 participants, 102,521 items
| Maximum | 2025-09-19 |
| Decile 9 | 2024-11-02 |
| Decile 8 | 2024-02-03 |
| Decile 7 | 2023-07-12 |
| Decile 6 | 2022-12-03 |
| Median | 2022-02-02 |
| Decile 4 | 2019-07-12 |
| Decile 3 | 2018-10-30 |
| Decile 2 | 2017-12-11 |
| Decile 1 | 2016-07-27 |
| Minimum | 2014-04-30 |
|
|
- There are 3342 distinct values.
- Mean = 2021-01-08
|
Instance 3 : First repeat imaging visit (2019+)
21,469 participants, 21,469 items
| Maximum | 2025-09-19 |
| Decile 9 | 2025-06-14 |
| Decile 8 | 2025-03-20 |
| Decile 7 | 2024-12-15 |
| Decile 6 | 2024-09-21 |
| Median | 2024-07-01 |
| Decile 4 | 2024-03-21 |
| Decile 3 | 2023-07-28 |
| Decile 2 | 2021-06-28 |
| Decile 1 | 2019-12-06 |
| Minimum | 2019-05-22 |
|
|
- There are 1403 distinct values.
- Mean = 2023-09-03
|
Notes
Date when a participant attended a UK Biobank assessment centre.
Automatically acquired at the Reception stage.
