Data
295,379 items of data are available, covering 240,523 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
172,576 participants, 172,576 items
Instance 1 : First repeat assessment visit (2012-13)
20,328 participants, 20,328 items
Instance 2 : Imaging visit (2014+)
89,817 participants, 89,817 items
Instance 3 : First repeat imaging visit (2019+)
12,658 participants, 12,658 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.