Data
65,277 items of data are available, covering 60,451 participants, encoded using Data-Coding
100349.
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
39,724 participants, 39,724 items
Instance 1 : First repeat assessment visit (2012-13)
3,889 participants, 3,889 items
Instance 2 : Imaging visit (2014+)
19,042 participants, 19,042 items
Instance 3 : First repeat imaging visit (2019+)
2,622 participants, 2,622 items
Notes
ACE touchscreen question "Have you ever had surgery on the arteries of your legs (other than for varicose veins)?"
Field 5529 was collected from participants who indicated that they get a pain in either leg on walking, as defined by their answers to Field 4728