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Person—tobacco smoking duration (daily smoking), total years N[N]

Identifying and definitional attributes

Metadata item type:Help on this termData Element
Short name:Help on this termTobacco smoking—duration (daily smoking)
METeOR identifier:Help on this term270330
Registration status:Help on this termHealth, Standard 01/03/2005
Definition:Help on this term

The total duration in years, of daily smoking for a person who is now a daily smoker or has been a daily smoker in the past.

Context:Help on this term

Public health and health care

Data Element Concept:Person—tobacco smoking duration

Value domain attributes

Representational attributes

Representation class:Help on this termTotal
Data type:Help on this termNumber
Format:Help on this termN[N]
Maximum character length:Help on this term2
Supplementary values:Help on this term
99Not stated/inadequately described
Unit of measure:Help on this termYear

Data element attributes

Collection and usage attributes

Guide for use:Help on this term

In order to estimate duration of smoking the person's date of birth or current age should also be collected. If a person reports that they smoke daily now then duration is the difference between the start-age and the person's current age. If a person reports that they smoked daily in the past but do not smoke daily now then duration is the difference between the quit age and the start age. Record duration of less than one year as 0.

Collection methods:Help on this term

The recommended standard for collecting this information is the Standard Questions on the Use of Tobacco Among Adults (1998) - interviewer administered (Question 1, 5, 6, 7) and self-administered (Question 1, 3, 3a, 4) versions. The questions cover persons aged 18 years and over.

Comments:Help on this term

Duration of daily smoking is an indicator of exposure to increased risk to health. In this data element, duration is measured as the years elapsed from the time the person first started smoking daily and when they most recently quit smoking daily (or the present for those persons who still smoke daily). There may have been intervening periods when the person did not smoke daily. However, as the negative health effects of smoking accumulate over time, the information on duration of daily smoking, as measured in this data element, remains useful, despite any intervening periods of non-daily smoking.

Where this information is collected by survey and the sample permits, population estimates should be presented by sex and 5-year age groups. Summary statistics may need to be adjusted for age and other relevant variables.

It is recommended that in surveys of smoking, data on age, sex and other socio-demographic variables should be collected. It is also recommended that when smoking is investigated in relation to health, data on other risk factors including pregnancy status, physical activity, overweight and obesity, and alcohol consumption should be collected.

Relational attributes

Related metadata references:Help on this term

Is formed using Person—tobacco smoking quit age (daily smoking), total years NN Health, Standard 01/03/2005

Is formed using Person—tobacco smoking start age (daily smoking), total years NN Health, Superseded 19/11/2015

Supersedes Tobacco smoking - duration (daily smoking), version 1, Derived DE, NHDD, NHIMG, Superseded 01/03/2005.pdf (16.7 KB)

Implementation in Data Set Specifications:Help on this term
All attributes +

Lung cancer (clinical) DSS Health, Superseded 14/05/2015

DSS specific attributes +

Lung cancer (clinical) NBPDS Health, Standard 14/05/2015

DSS specific attributes +
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