Data
63,129 items of data are available, covering 58,860 participants, encoded using Data-Coding
100552.
Defined-instances run from 0 to 3, labelled using Instancing
2.
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
39,726 participants, 39,726 items
Instance 1 : First repeat assessment visit (2012-13)
3,889 participants, 3,889 items
Instance 2 : Imaging visit (2014+)
17,774 participants, 17,774 items
Instance 3 : First repeat imaging visit (2019+)
1,740 participants, 1,740 items
Notes
ACE touchscreen question "Have you ever had surgery to remove any of the following?"
Field 5540 was collected from participants who indicated that they get a pain in either leg on walking, as defined by their answers to Field 4728