Data-Field 22688
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.
Data
613,759 items of data are available, covering 502,034 participants.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Units of measurement are metre-grid.
| Maximum | 649000 |
| Decile 9 | 515000 |
| Decile 8 | 459000 |
| Decile 7 | 443000 |
| Decile 6 | 432000 |
| Median | 420000 |
| Decile 4 | 397000 |
| Decile 3 | 378000 |
| Decile 2 | 358000 |
| Decile 1 | 328000 |
| Minimum | 69000 |
|
|
- There are 481 distinct values.
- Mean = 412946
- Std.dev = 65867
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
502,018 participants, 502,018 items
| Maximum | 638000 |
| Decile 9 | 517000 |
| Decile 8 | 462000 |
| Decile 7 | 446000 |
| Decile 6 | 433000 |
| Median | 422000 |
| Decile 4 | 400000 |
| Decile 3 | 378000 |
| Decile 2 | 357000 |
| Decile 1 | 326000 |
| Minimum | 126000 |
|
|
- There are 356 distinct values.
- Mean = 413818
- Std.dev = 67567.3
|
Instance 1 : First repeat assessment visit (2012-13)
20,336 participants, 20,336 items
| Maximum | 598000 |
| Decile 9 | 432000 |
| Decile 8 | 420000 |
| Decile 7 | 398000 |
| Decile 6 | 390000 |
| Median | 385000 |
| Decile 4 | 380000 |
| Decile 3 | 377000 |
| Decile 2 | 369000 |
| Decile 1 | 355000 |
| Minimum | 214000 |
|
|
- There are 143 distinct values.
- Mean = 389243
- Std.dev = 28148.4
- 3 items below graph minimum of 278000
- 8 items above graph maximum of 509000
|
Instance 2 : Imaging visit (2014+)
83,169 participants, 83,169 items
| Maximum | 649000 |
| Decile 9 | 505000 |
| Decile 8 | 457000 |
| Decile 7 | 440000 |
| Decile 6 | 431000 |
| Median | 422000 |
| Decile 4 | 401000 |
| Decile 3 | 382000 |
| Decile 2 | 363000 |
| Decile 1 | 332000 |
| Minimum | 69000 |
|
|
- There are 472 distinct values.
- Mean = 414042
- Std.dev = 61884.7
|
Instance 3 : First repeat imaging visit (2019+)
8,236 participants, 8,236 items
| Maximum | 637000 |
| Decile 9 | 452000 |
| Decile 8 | 440000 |
| Decile 7 | 434000 |
| Decile 6 | 429000 |
| Median | 425000 |
| Decile 4 | 417000 |
| Decile 3 | 390000 |
| Decile 2 | 370000 |
| Decile 1 | 326000 |
| Minimum | 151000 |
|
|
- There are 306 distinct values.
- Mean = 407272
- Std.dev = 54076.6
- 2 items below graph minimum of 200000
- 4 items above graph maximum of 578000
|
Notes
This location information is based on the address where the participant lived at the time of their assessment.
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 22689.
This field supersedes Field 20074. The data has been updated to use more accurate geocoding data where available, based on the full address instead of the postcode alone. The data has also been corrected to use truncation (rounding down) instead of rounding, to derive the 1km resolution data.
These grid co-ordinates (to a 1km accuracy) will only be released following special approval.
For most purposes, these grid co-ordinates rounded to a 1km accuracy will provide sufficient information on location of residence at assessment. If a higher level of granularity is required, values are also available at a 100m resolution, which can be found in Field 22686 and Field 22687.
2 Related Data-Fields
| Field ID | Description | Relationship |
|---|
| 22686 | Home location at assessment - east c ... | Current Field is a rounded version of Field 22686 |
| 22689 | Home location at assessment - north ... | Field 22689 should be used in conjunction with Current Field |
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