: Data-Field 20117

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Data

592,090 items of data are available, covering 501,494 participants, encoded using Data-Coding 90.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,472 participants, 501,472 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,334 participants, 20,334 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
64,924 participants, 64,924 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
5,360 participants, 5,360 items
Graph illustrating main data

Notes

2 Related Data-Fields

Field ID	Description	Relationship
1558	Alcohol intake frequency.	Current Field is partly derived from Field 1558
3731	Former alcohol drinker	Current Field is partly derived from Field 3731

1 Resource

Preview	Name	Res ID
	Touchscreen questionnaire ordering, validation and dependencies	113241

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