: Data-Field 3571

Data-Field 3571

Description:	Back pain for 3+ months
Category:	Assessment centre ⏵ Touchscreen ⏵ Health and medical history ⏵ Pain
	Health outcomes + Self-reported medical conditions

Participants

144,829

Categorical (single)

Both sexes

Jan 2012

158,390

Data

Defined (4)

Aug 2025

Complete

Primary

o1 s1

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Data

158,390 items of data are available, covering 144,829 participants, encoded using Data-Coding 100349.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
129,941 participants, 129,941 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
4,112 participants, 4,112 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
20,178 participants, 20,178 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
4,159 participants, 4,159 items
Graph illustrating main data

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

1 Related Data-Field

Field ID	Description	Relationship
6159	Pain type(s) experienced in last month	Current Field 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

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 3571	100530
	Touchscreen questionnaire ordering, validation and dependencies	113241

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