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487,412 items of data are available, covering 470,737 participants, encoded using Data-Coding 4917
Defined-instances run from 0 to 1, labelled using Instancing 2
: Initial assessment visit (2006-2010) at which participants were recruited and consent given
469,478 participants, 469,478 items
Instance 1 : First repeat assessment visit (2012-13)
17,934 participants, 17,934 items
The reportability of aRheumatoid factor assay result. Absence of a value here means that a result has not been attempted.
0 Related Data-FieldsThere are no related data-fields