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.
544,147 items of data are available, covering 497,892 participants.
Defined-instances run from 0 to 2, labelled using Instancing 2
Units of measurement are metre-grid.
- There are 4026 distinct values.
- Mean = 353254
- Std.dev = 149267
- 1 item above graph maximum of 960200
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,562 participants, 497,562 items
- There are 3809 distinct values.
- Mean = 348236
- Std.dev = 153848
Instance 1 : First repeat assessment visit (2012-13)
20,328 participants, 20,328 items
- There are 1079 distinct values.
- Mean = 397603
- Std.dev = 21232.4
- 2 items below graph minimum of 322700
- 7 items above graph maximum of 476300
Instance 2 : Imaging visit (2014+)
26,257 participants, 26,257 items
- There are 2728 distinct values.
- Mean = 414005
- Std.dev = 84734.5
- 8 items above graph maximum of 782200
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 North co-ordinate needs to be used in conjunction with the East co-ordinate in Field 20033.
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
|20033||Home location at assessment - east c ...||Field 20033 must be combined with Current Field|
|20075||Home location at assessment - north ...||Field 20075 is a rounded presentation of Current Field|
There are 3 tabulations which are either under review or cannot be released.
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