: Data-Field 1787

Data-Field 1787

Description:	Maternal smoking around birth
Category:	Assessment centre ⏵ Touchscreen ⏵ Early life factors
	Early life + Early life and reproductive factors

Participants

494,132

Categorical (single)

Both sexes

Jan 2012

525,656

Data

Defined (3)

Mar 2022

Complete

Primary

d1 o1 s1

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Data

525,656 items of data are available, covering 494,132 participants, encoded using Data-Coding 100349.
Defined-instances run from 0 to 2, labelled using Instancing 2.

Graph illustrating main data

3 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
494,109 participants, 494,109 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
20,068 participants, 20,068 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
11,479 participants, 11,479 items
Graph illustrating main data

Notes

ACE touchscreen question "Did your mother smoke regularly around the time when you were born?"

Field 1787 was collected from all participants except those who indicated they were adopted as a child, as defined by their answers to Field 1767

This question was dropped from the touchscreen protocol on 24/10/2016.

1 Related Data-Field

Field ID	Description	Relationship
1767	Adopted as a child	Current Field was collected from all participants except those who indicated they were adopted as a child, as defined by their answers to Field 1767

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 1787	100348
	Touchscreen questionnaire ordering, validation and dependencies	113241

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