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National Core Maternity Indicators: PI 01-Tobacco smoking in pregnancy for all women giving birth (2013)

Identifying and definitional attributes

Metadata item type:Help on this termIndicator
Indicator type:Help on this termIndicator
Common name:Help on this termTobacco smoking in pregnancy
Short name:Help on this termPI 01-Tobacco smoking in pregnancy for all women giving birth (2013)
Synonymous names:Help on this termSmoking in pregnancy
METeOR identifier:Help on this term557104
Registration status:Help on this termHealth, Superseded 02/02/2016
Description:Help on this termAmong all women who gave birth, the proportion who reported smoking tobacco at any time during the pregnancy.
Rationale:Help on this termThis outcome indicator is used to monitor public health.
Indicator set:Help on this termNational Core Maternity Indicators (2013) Health, Superseded 02/02/2016

Collection and usage attributes

Computation description:Help on this termThe proportion of women who reported smoking tobacco at any time during the pregnancy (proxy indicator).
Computation:Help on this term100 × (Numerator ÷ Denominator)
Numerator:Help on this termThe number of women who gave birth and reported smoking tobacco at any time during the pregnancy.
Numerator data elements:Help on this term
Data Element / Data SetFemale (pregnant)—tobacco smoking indicator (first twenty weeks of pregnancy), yes/no code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetFemale (pregnant)—number of cigarettes smoked (per day first 20 weeks of pregnancy), number N[NN]
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetBirth event—birth method, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetFemale (pregnant)—number of cigarettes smoked (per day after 20 weeks of pregnancy), number N[NN]
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetFemale (pregnant)—tobacco smoking indicator (after twenty weeks of pregnancy), yes/no code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Denominator:Help on this termThe total number of women who gave birth.
Denominator data elements:Help on this term
Data Element / Data SetBirth event—birth method, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Disaggregation:Help on this term
  • Year of birth
  • Hospital sector
  • Remoteness category (from mother's area of usual residence)
  • Indigenous status of mother
  • State or territory of birth
  • Hospital annual number of births
  • Disadvantage quintile (from mother's area of usual residence)
Disaggregation data elements:Help on this term
Data Element / Data SetBirth event—state/territory of birth, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetEstablishment—organisation identifier (Australian), NNX[X]NNNNN
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetPerson—Indigenous status, code N
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetData Element
Hospital annual number of births
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetPerson—date of birth, DDMMYYYY
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Data Element / Data SetPerson—area of usual residence, geographical location code (ASGC 2010) NNNNN
Data Source
AIHW National Perinatal Data Collection (NPDC)
Guide for use
Data source type: Administrative by-product data
Comments:Help on this termThis indicator is a proxy. The numerator for the proxy indicator is the number of women who gave birth and reported smoking at any time in pregnancy. The denominator is the total number of women who gave birth. Records with data that are missing, not stated or not interpretable have been included in the denominator.

The aspirational indicator has two parts:
(a) among all women who gave birth, the proportion who reported smoking tobacco in the first 20 weeks of pregnancy, and 
(b) among women who reported smoking, the proportion who reported smoking after 20 weeks of pregnancy.

Data elements are from the Perinatal national minimum data set (NMDS) or have been provided as voluntary non-standardised items by the states and territories.

Standardised data collection for smoking in pregnancy commenced for births from July 2010. This will enable reporting against parts (a) among all women who gave birth the proportion who reported smoking tobacco in the first 20 weeks of pregnancy and (b) among all women who gave birth the proportion who reported smoking after 20 weeks of pregnancy, of the indicator in future, but data are not available to report on this indicator for 2004–09.

A birth is defined as the event in which a baby comes out of the uterus after a pregnancy of at least 20 weeks gestation or weighing 400 grams or more.

Smoking refers to the use of cigarettes or inhaled tobacco.

National Perinatal Data Collection (NPDC) data on smoking status and/or smoking quantity (number of cigarettes smoked) have been collected from NSW, Qld, SA and ACT since 2001, and progressively from all other jurisdictions. These data have been used to produce this proxy indicator.

Representational attributes

Representation class:Help on this termPercentage
Data type:Help on this termReal
Unit of measure:Help on this termPerson
Format:Help on this termN[NN.N]

Data source attributes

Data sources:Help on this term
Data SourceAIHW National Perinatal Data Collection (NPDC)
Frequency
Calendar years ending 31 December each year
Data custodian

Australian Institute of Health and Welfare


Relational attributes

Related metadata references:Help on this term

Has been superseded by National Core Maternity Indicators: PI 01—Tobacco smoking in pregnancy for all women giving birth (2016) Health, Superseded 06/09/2018

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