236,735 items of data are available, covering 210,863 participants, encoded using Data-Coding 100349
Defined-instances run from 0 to 3, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
172,711 participants, 172,711 items
Instance 1 : First repeat assessment visit (2012-13)
20,337 participants, 20,337 items
Instance 2 : Imaging visit (2014+)
42,861 participants, 42,861 items
Instance 3 : First repeat imaging visit (2018+)
826 participants, 826 items
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.
There are no tabulations involving field 4653.
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