Data
152,805 items of data are available, covering 141,976 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
129,994 participants, 129,994 items
Instance 1 : First repeat assessment visit (2012-13)
4,114 participants, 4,114 items
Instance 2 : Imaging visit (2014+)
16,989 participants, 16,989 items
Instance 3 : First repeat imaging visit (2019+)
1,708 participants, 1,708 items
Notes
ACE touchscreen question "Have you had back pains for more than 3 months?"
Field 3571 was collected from participants who indicated that in the last month they experienced back pain that interfered with their usual activities, as defined by their answers to Field 6159