245,757 items of data are available, covering 214,349 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
172,682 participants, 172,682 items
Instance 1 : First repeat assessment visit (2012-13)
20,335 participants, 20,335 items
Instance 2 : Imaging visit (2014+)
48,639 participants, 48,639 items
Instance 3 : First repeat imaging visit (2019+)
4,101 participants, 4,101 items
ACE touchscreen question "Looking back over your life, have you ever had a time when you were feeling depressed or down for at least a whole week?"
Question was introduced part way through fieldwork in April 2009.
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