Data
593,902 items of data are available, covering 498,812 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
497,697 participants, 497,697 items
Instance 1 : First repeat assessment visit (2012-13)
20,334 participants, 20,334 items
Instance 2 : Imaging visit (2014+)
69,873 participants, 69,873 items
Instance 3 : First repeat imaging visit (2019+)
5,998 participants, 5,998 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.
|