: Data-Field 6158

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Data

23,296 items of data are available, covering 17,314 participants, encoded using Data-Coding 100361.
Defined-instances run from 0 to 3, labelled using Instancing 2.
Array indices run from 0 to 3.

Graph illustrating main data

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
16,752 participants, 21,793 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
320 participants, 450 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
751 participants, 992 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
41 participants, 61 items
Graph illustrating main data

Notes

ACE touchscreen question "Why did you reduce your smoking? (You can select more than one answer)"

The following checks were performed:

If code -7 was selected, then no additional choices were allowed.
If code -1 was selected, then no additional choices were allowed.
If code -3 was selected, then no additional choices were allowed.

Field 6158 was collected from participants who indicated they currently smoke tobacco on most or all days, as defined by their answers to Field 1239 and those who smoke less nowadays than 10 years ago, as defined by their answers to Field 1239

2 Related Data-Fields

Field ID	Description	Relationship
1239	Current tobacco smoking	Field 1239 affects who was asked to answer Current Field
3506	Smoking compared to 10 years previous	Field 3506 affects who was asked to answer Current Field

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 6158	100626
	Touchscreen questionnaire ordering, validation and dependencies	113241

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