Data
507,960 items of data are available, covering 488,512 participants.
Defined-instances run from 0 to 1, labelled using Instancing 
2.
Units of measurement are nm.
| 
| Maximum | 45.149 |  | Decile 9 | 40.367 |  | Decile 8 | 39.8107 |  | Decile 7 | 39.378 |  | Decile 6 | 38.9952 |  | Median | 38.6369 |  | Decile 4 | 38.298 |  | Decile 3 | 37.959 |  | Decile 2 | 37.5846 |  | Decile 1 | 37.096 |  | Minimum | 33.49 |  |   | 
Mean = 38.6934Std.dev = 1.266646 items below graph minimum of 33.82545 items above graph maximum of 43.638 | 
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
488,083 participants, 488,083 items
| 
| Maximum | 45.149 |  | Decile 9 | 40.3692 |  | Decile 8 | 39.8131 |  | Decile 7 | 39.38 |  | Decile 6 | 38.997 |  | Median | 38.638 |  | Decile 4 | 38.2995 |  | Decile 3 | 37.96 |  | Decile 2 | 37.586 |  | Decile 1 | 37.0971 |  | Minimum | 33.49 |  |   | 
Mean = 38.6952Std.dev = 1.266966 items below graph minimum of 33.82542 items above graph maximum of 43.6413 | 
Instance 1 : First repeat assessment visit (2012-13)
19,877 participants, 19,877 items
| 
| Maximum | 44.243 |  | Decile 9 | 40.321 |  | Decile 8 | 39.746 |  | Decile 7 | 39.328 |  | Decile 6 | 38.9545 |  | Median | 38.601 |  | Decile 4 | 38.262 |  | Decile 3 | 37.925 |  | Decile 2 | 37.551 |  | Decile 1 | 37.063 |  | Minimum | 34.313 |  |   | 
Mean = 38.6485Std.dev = 1.257875 items above graph maximum of 43.579 |