Data
285,733 items of data are available, covering 236,758 participants, encoded using Data-Coding
100349.
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
172,581 participants, 172,581 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 "Have you ever had a period of time lasting at least two days when you were so irritable that you found yourself shouting at people or starting fights or arguments?"
Question was introduced part way through fieldwork in April 2009.