: Data-Field 20018

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Data

249,348 items of data are available, covering 216,124 participants, encoded using Data-Coding 18.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

Counts of participants/items last updated 19 Jul 2022.

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
171,514 participants, 171,514 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,329 participants, 20,329 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
52,408 participants, 52,408 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
5,097 participants, 5,097 items
Graph illustrating main data

Notes

This field condenses the results of the prospective memory test into 3 groups. It does not distinguish between people who, at the first attempt, followed the on-screen instruction (thereby giving an incorrect result) and people who remembered to ignore the instruction but did not correctly recall what to do instead. Please see the constituent parts Field 4292 and Field 4293 if additional detail is required.

4 Categories

Category ID	Description	Items
100000	Assessment Centre	+3682
100026	Cognitive function	+103
1005	Cognitive function summary	5
100031	Prospective memory	11

2 Related Data-Fields

Field ID	Description	Relationship
4293	PM: final answer	Current Field incorporates value of Field 4293
4292	PM: initial answer	Current Field incorporates value of Field 4292

3 Resources

Preview	Name	Res ID
	Prospective memory testing using ACE	100244
	Screenshot of instructions for prospective memory	113204
	Screenshot of question for prospective memory	113205

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