gq_sm_dur_DER_P2
Attribute
Value
Var ID
00020510
Name
gq_sm_dur_DER_P2
Label
A4. Smoking duration (years)
Description
A4. Duration of smoking (years) projected from a time of starting smoking and a time of quitting smoking or current smoking habit (if smoking cessation during a certain calendar-time period was noted the period was accounted for as a non-smoking period.) derived from GQ_V3.0_24/04: -7=not applicable/answered but undetermined;-5=former smokers who reported a time of smoking cessation which appeared to be earlier than a starting date.
Additional Information
Releases
Release 10,
Data Source
Data Context
DERIVED
Data Entry
Nutrition
Data Availability
Available
Valid From
05/01/2024
Valid To
Present
Is Current
True
Data type
Real
Minimum Value
Maximum Value
Warning Minimum Value
Warning Maximum Value
Significant figures
Decimal Places
Maximum Length
Pattern
Format
Coding
Code
Text
Template Usage
-1
Left blank
-5
smoking cessation was earlier than starting date (year/age) (error)
-7
Not applicable/answered but undetermined
Variable history
Release
Name
Master name
Release 10
gq_sm_dur_DER_P2
Release 8
Release 8a
Belonging groups
Name
Description
Type