: Data-Field 1797

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Data

633,928 items of data are available, covering 493,802 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
493,685 participants, 493,685 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,048 participants, 20,048 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
99,553 participants, 99,553 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
20,642 participants, 20,642 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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