474,710 items of data are available, covering 427,815 participants, encoded using Data-Coding 100339
Defined-instances run from 0 to 2, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
423,352 participants, 423,352 items
Instance 1 : First repeat assessment visit (2012-13)
17,569 participants, 17,569 items
Instance 2 : Imaging visit (2014+)
33,789 participants, 33,789 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
1 Related Data-Fields
|1110||Length of mobile phone use||Current Field 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 ~F11|
There are no tabulations involving field 1150.
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