Data
610,653 items of data are available, covering 498,719 participants, encoded using Data-Coding
100388.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,501 participants, 497,501 items
Instance 1 : First repeat assessment visit (2012-13)
20,328 participants, 20,328 items
Instance 2 : Imaging visit (2014+)
84,020 participants, 84,020 items
Instance 3 : First repeat imaging visit (2019+)
8,804 participants, 8,804 items
Notes
ACE touchscreen question "What type of spread do you mainly use?"
If the participant activated the Help button they were shown the message:
If you use more than one type of spread, please select the one that you use the most. If you are unsure, select Do not know.
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