: Data-Field 1249

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Data

546,752 items of data are available, covering 463,968 participants, encoded using Data-Coding 100348.
Defined-instances run from 0 to 3, labelled using Instancing 2.

Graph illustrating main data

Counts of participants/items last updated 19 Jul 2022.

4 Instances

Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
462,265 participants, 462,265 items
Graph illustrating main data

Instance 1 : First repeat assessment visit (2012-13)
19,686 participants, 19,686 items
Graph illustrating main data

Instance 2 : Imaging visit (2014+)
59,592 participants, 59,592 items
Graph illustrating main data

Instance 3 : First repeat imaging visit (2019+)
5,209 participants, 5,209 items
Graph illustrating main data

Notes

ACE touchscreen question "In the past, how often have you smoked tobacco?"

Field 1249 was collected from all participants except those who indicated they currently smoke on most or all days, as defined by their answers to Field 1239

5 Categories

Category ID	Description	Items
100000	Assessment centre	+3688
704	Lifestyle	461
100050	Lifestyle and environment	+155
100058	Smoking	33
100025	Touchscreen	+396

11 Related Data-Fields

Field ID	Description	Relationship
2867	Age started smoking in former smokers	Field 2867 was collected from participants who indicated that in the past they smoked on most or all days, as defined by their answers to Current Field
2897	Age stopped smoking	Field 2897 was collected from participants who indicated that in the past they smoked tobacco on most or all days, as defined by their answers to Current Field
1239	Current tobacco smoking	Current Field was collected from all participants except those who indicated they currently smoke on most or all days, as defined by their answers to Field 1239
2907	Ever stopped smoking for 6+ months	Field 2907 was collected from participants who indicated that in the past they smoked tobacco on most or all days, as defined by their answers to Current Field
2644	Light smokers, at least 100 smokes i ...	Field 2644 was collected from participants who indicated they smoked occasionally or Just tried once or twice, as defined by their answers to Current Field
2936	Likelihood of resuming smoking	Current Field affects who was asked to answer Field 2936
2887	Number of cigarettes previously smok ...	Current Field affects who was asked to answer Field 2887
2926	Number of unsuccessful stop-smoking ...	Current Field affects who was asked to answer Field 2926
20116	Smoking status	Field 20116 is partially derived from Current Field
2877	Type of tobacco previously smoked	Field 2877 was collected from participants who indicated that in the past they smoked on most or all days, as defined by their answers to Current Field
6157	Why stopped smoking	Current Field affects who was asked to answer Field 6157

2 Resources

Preview	Name	Res ID
	Screenshot from touchscreen questionnaire used to capture field 1249	100485
	Touchscreen questionnaire ordering, validation and dependencies	113241

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