: Data-Field 3799

Data-Field 3799

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

Participants

108,995

Categorical (single)

Both sexes

Jan 2012

118,244

Data

Defined (4)

Aug 2025

Complete

Primary

o1 s1

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Data

118,244 items of data are available, covering 108,995 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
102,844 participants, 102,844 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
2,547 participants, 2,547 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
10,886 participants, 10,886 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
1,967 participants, 1,967 items
Graph illustrating main data

Notes

ACE touchscreen question "Have you had headaches for more than 3 months?"

Field 3799 was collected from participants who indicated that in the last month they experienced headache 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 headache 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 3799	100528
	Touchscreen questionnaire ordering, validation and dependencies	113241

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