: Data-Field 2784

Data-Field 2784

Description:	Ever taken oral contraceptive pill
Category:	Assessment centre ⏵ Touchscreen ⏵ Sex-specific factors ⏵ Female-specific factors
	Health outcomes

Participants

272,583

Categorical (single)

Females only

Jan 2012

346,322

Data

Defined (4)

Aug 2025

Complete

Primary

o1 s1

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Data

346,322 items of data are available, covering 272,583 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
272,558 participants, 272,558 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
10,394 participants, 10,394 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
52,700 participants, 52,700 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
10,670 participants, 10,670 items
Graph illustrating main data

Notes

ACE touchscreen question "Have you ever taken the contraceptive pill? (include the 'mini-pill')"

2 Related Data-Fields

Field ID	Description	Relationship
2794	Age started oral contraceptive pill	Field 2794 was collected from women who indicated that they had taken the contraceptive pill, as defined by their answers to Current Field
2804	Age when last used oral contraceptiv ...	Field 2804 was collected from women who indicated that they had taken the contraceptive pill, as defined by their answers to Current Field

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 2784	100550
	Touchscreen questionnaire ordering, validation and dependencies	113241

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