: Data-Field 1797

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Data

589,012 items of data are available, covering 494,180 participants, encoded using Data-Coding 100349.
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
494,108 participants, 494,108 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,068 participants, 20,068 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
68,910 participants, 68,910 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
5,926 participants, 5,926 items
Graph illustrating main data

Notes

ACE touchscreen question "Is your father still alive?"

Field 1797 was collected from all participants except those who indicated they were adopted as a child, as defined by their answers to Field 1767

4 Related Data-Fields

Field ID	Description	Relationship
1767	Adopted as a child	Current Field was collected from all participants except those who indicated they were adopted as a child, as defined by their answers to Field 1767
2946	Father's age	Current Field affects who was asked to answer Field 2946
1807	Father's age at death	Current Field affects who was asked to answer Field 1807
1835	Mother still alive	Field 1835 is maternal counterpart of paternal Current Field

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 1797	100349
	Touchscreen questionnaire ordering, validation and dependencies	113241

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