488,622 items of data are available, covering 428,911 participants, encoded using Data-Coding 100339
Defined-instances run from 0 to 3, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
423,324 participants, 423,324 items
Instance 1 : First repeat assessment visit (2012-13)
17,567 participants, 17,567 items
Instance 2 : Imaging visit (2014+)
44,750 participants, 44,750 items
Instance 3 : First repeat imaging visit (2019+)
2,981 participants, 2,981 items
ACE touchscreen question "On what side of the head do you usually use a mobile phone?"
If the participant activated the Help button they were shown the message:
|If you are unsure, please provide an estimate or select Do not know.|
Field 1150 was collected from participants who indicated they have used a mobile phone at least once per week in the past or do not know whether they have used or not, as defined by their answers to Field 1110
There are no tabulations involving field 1150.
Registered researchers may, when logged in, request that new analyses be generated and displayed here.