This information is regarded as restricted and will be supplied to researchers only when absolutely necessary.
See the Related Data-Fields tab below for any unrestricted alternatives.
544,098 items of data are available, covering 497,847 participants.
Defined-instances run from 0 to 2, labelled using Instancing 2
Units of measurement are metre-grid.
- There are 2857 distinct values.
- Mean = 412752
- Std.dev = 65584.6
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,517 participants, 497,517 items
- There are 2801 distinct values.
- Mean = 414286
- Std.dev = 67453.2
Instance 1 : First repeat assessment visit (2012-13)
20,326 participants, 20,326 items
- There are 1173 distinct values.
- Mean = 389665
- Std.dev = 27961.5
- 2 items above graph maximum of 509600
Instance 2 : Imaging visit (2014+)
26,255 participants, 26,255 items
- There are 1847 distinct values.
- Mean = 401558
- Std.dev = 41628
- 3 items below graph minimum of 230400
- 3 items above graph maximum of 555900
This location information is based on the postcode for the address to which the participants invitation was sent. If the participant updated their home address during their assessment centre visit, then that postcode was used as the source instead.
The location co-ordinates use the Ordnance Survey (OSGB) reference. This East co-ordinate needs to be used in conjunction with the North co-ordinate in Field 20034.
These grid co-ordinates (to a 100m accuracy) will only be released following special approval. For most purposes, grid co-ordinates rounded to a 1Km distance will provide sufficient information on location of residence at assessment. These rounded values are found in Field 20074 and Field 20075.
2 Related Data-Fields
|20074||Home location at assessment - east c ...||Field 20074 is a rounded presentation of Current Field|
|20034||Home location at assessment - north ...||Current Field must be combined with Field 20034|
There are 3 tabulations which are either under review or cannot be released.
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