UKB : Data-Field 1200

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Data

574,036 items of data are available, covering 501,610 participants, encoded using Data-Coding 100343.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

Counts of participants/items last updated 30 Oct 2020.

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,593 participants, 501,593 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,335 participants, 20,335 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
48,640 participants, 48,640 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
3,468 participants, 3,468 items
Graph illustrating main data

Notes

ACE touchscreen question "Do you have trouble falling asleep at night or do you wake up in the middle of the night?"

If the participant activated the Help button they were shown the message:

If this varies a lot, answer this question in relation to the last 4 weeks.

5 Categories

Category ID	Description	Items
704	Lifestyle	461
100050	Lifestyle and environment	+158
100057	Sleep	7
100025	Touchscreen	+403
100000	UK Biobank Assessment Centre	+2145

0 Related Data-Fields

There are no related data-fields

0 Tabulations

There are no tabulations involving field 1200.

Registered researchers may, when logged in, request that new analyses be generated and displayed here.

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 1200	100288
	Touchscreen questionnaire ordering, validation and dependencies	113241

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