Data
45,988 items of data are available, covering 45,543 participants, encoded using Data-Coding 
782.
Defined-instances run from 0 to 1, labelled using Instancing 
2.
 
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
43,277 participants, 43,277 items
Instance 1 : First repeat assessment visit (2012-13)
2,711 participants, 2,711 items
 
Notes
The reason that a Vitamin D assay result is missing.
0 Related Data-Fields
There are no related data-fields