Data
813,158 items of data are available, covering 90,869 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 0 to 15.
Average length is 5.4 characters, longest is 12.
3 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
51,614 participants, 418,943 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
42,953 participants, 352,453 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
4,995 participants, 41,762 items
Too few values for statistical summary.
Notes
This is the number the participant was expected to enter - the reverse of
Field 4251
1 Related Data-Field
| Field ID | Description | Relationship |
| 4251 | Target number to be memorised | Current Field is the reverse of Field 4251 |
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