: Data-Field 1835

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Data

605,539 items of data are available, covering 494,002 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
493,911 participants, 493,911 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,062 participants, 20,062 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
82,869 participants, 82,869 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
8,697 participants, 8,697 items
Graph illustrating main data

Notes

ACE touchscreen question "Is your mother still alive?"

Field 1835 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
1797	Father still alive	Current Field is maternal counterpart of paternal Field 1797
1845	Mother's age	Current Field affects who was asked to answer Field 1845
3526	Mother's age at death	Current Field affects who was asked to answer Field 3526

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 1835	100610
	Touchscreen questionnaire ordering, validation and dependencies	113241

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