Data
55,312 items of data are available, covering 52,343 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
39,743 participants, 39,743 items
Instance 1 : First repeat assessment visit (2012-13)
3,891 participants, 3,891 items
Instance 2 : Imaging visit (2014+)
10,701 participants, 10,701 items
Instance 3 : First repeat imaging visit (2019+)
977 participants, 977 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