Data
480,581 items of data are available, covering 451,806 participants.
Some values have special meanings defined by Data-Coding 
170.
Defined-instances run from 0 to 2, labelled using Instancing 
2.
Units of measurement are metre-grid.
| Maximum | 1.2085e+06 |  
| Decile 9 | 566500 |  
| Decile 8 | 478500 |  
| Decile 7 | 416500 |  
| Decile 6 | 394500 |  
| Median | 386500 |  
| Decile 4 | 337500 |  
| Decile 3 | 249500 |  
| Decile 2 | 181500 |  
| Decile 1 | 171500 |  
| Minimum | 10500 |  
 
 | 
 
 | 
- There are 1571 distinct values.
 
- Mean = 360773
 
- Std.dev = 159134
 
- 185 items above graph maximum of 961500
 
- 8033 items have value -1 (Location could not be mapped)
 
  | 
 
3 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
451,766 participants, 451,766 items
| Maximum | 1.2085e+06 |  
| Decile 9 | 568500 |  
| Decile 8 | 515500 |  
| Decile 7 | 420500 |  
| Decile 6 | 394500 |  
| Median | 383500 |  
| Decile 4 | 333500 |  
| Decile 3 | 222500 |  
| Decile 2 | 181500 |  
| Decile 1 | 171500 |  
| Minimum | 10500 |  
 
 | 
 
 | 
- There are 1570 distinct values.
 
- Mean = 360224
 
- Std.dev = 161937
 
- 176 items above graph maximum of 965500
 
- 7536 items have value -1 (Location could not be mapped)
 
  | 
Instance 1 : First repeat assessment visit (2012-13)
19,220 participants, 19,220 items
| Maximum | 1.2025e+06 |  
| Decile 9 | 434500 |  
| Decile 8 | 420500 |  
| Decile 7 | 404500 |  
| Decile 6 | 398500 |  
| Median | 394500 |  
| Decile 4 | 390500 |  
| Decile 3 | 384500 |  
| Decile 2 | 331500 |  
| Decile 1 | 187500 |  
| Minimum | 26500 |  
 
 | 
 
 | 
- There are 583 distinct values.
 
- Mean = 373032
 
- Std.dev = 104523
 
- 141 items above graph maximum of 681500
 
- 265 items have value -1 (Location could not be mapped)
 
  | 
Instance 2 : Imaging visit (2014+)
9,595 participants, 9,595 items
| Maximum | 1.0105e+06 |  
| Decile 9 | 434500 |  
| Decile 8 | 416500 |  
| Decile 7 | 398500 |  
| Decile 6 | 394500 |  
| Median | 390500 |  
| Decile 4 | 378500 |  
| Decile 3 | 341500 |  
| Decile 2 | 287500 |  
| Decile 1 | 184500 |  
| Minimum | 26500 |  
 
 | 
 
 | 
- There are 491 distinct values.
 
- Mean = 361978
 
- Std.dev = 107055
 
- 68 items above graph maximum of 684500
 
- 232 items have value -1 (Location could not be mapped)
 
  | 
 
Notes
Place born - north co-ordinate 
This question was dropped from the touchscreen protocol on 24/10/2016.
Coding 170 defines 1 special value:
- -1 represents "Location could not be mapped"