Data
252,090 items of data are available, covering 217,678 participants, encoded using Data-Coding
100478.
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
172,665 participants, 172,665 items
Instance 1 : First repeat assessment visit (2012-13)
20,334 participants, 20,334 items
Instance 2 : Imaging visit (2014+)
53,817 participants, 53,817 items
Instance 3 : First repeat imaging visit (2019+)
5,274 participants, 5,274 items
Notes
ACE touchscreen question "In general how satisfied are you with your FRIENDSHIPS?"
Question was introduced part way through fieldwork in April 2009.