Data
813,626 items of data are available, covering 90,919 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
51,631 participants, 419,092 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
42,988 participants, 352,749 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
4,998 participants, 41,785 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 |
Problem running reference query
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