Data
154,744 items of data are available, covering 142,989 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
129,988 participants, 129,988 items
Instance 1 : First repeat assessment visit (2012-13)
4,114 participants, 4,114 items
Instance 2 : Imaging visit (2014+)
18,134 participants, 18,134 items
Instance 3 : First repeat imaging visit (2019+)
2,508 participants, 2,508 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