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Definition

There are two measures for this indicator, both to be reported by Indigenous status:

(1a): Number of women who gave birth, where an antenatal visit was reported in the first trimester, as a proportion of women who gave birth

and

(1b): Number of women who gave birth, where five or more antenatal visits were reported, as a proportion of women who gave birth.

Indicator Summary

Numerator

Measure 1(a): number of women who gave birth who attended at least one antenatal visit was reported in the first trimester (up to and including 13 completed weeks), whether resulting in live or still birth.

Measure 1(b): number of women who gave birth who attended five or more antenatal visits was reported for pregnancy of 32 or more weeks, whether resulting in live or still birth.
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Denominator

Measure (1a): total number of women who gave birth at 32 weeks or more gestation, whether resulting in live or still birth.

Measure (1b): total number of women who gave birth at 32 weeks or more gestation, whether resulting in live or still birth.
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Computation

Crude rates are calculated for Indigenous Australians; age-standardised rates are calculated for Indigenous and non-Indigenous Australians.

Rate ratios and rate differences are calculated for Indigenous:non-Indigenous.

Presentation: per 100 (percentage).

Definitions:

‘Birth’ includes live births and still births if the birthweight was at least 400 grams or the gestational age was 20 weeks or more.

First trimester is defined as the …

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Disaggregation

National and state/territory for Indigenous women (crude rates).

National and state/territory by Indigenous status (age-standardised rates).

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Calculation rules

Computation Rule
Description

Crude rates are calculated for Indigenous Australians; age-standardised rates are calculated for Indigenous and non-Indigenous Australians.

Rate ratios and rate differences are calculated for Indigenous:non-Indigenous.

Presentation: per 100 (percentage).

Definitions:

‘Birth’ includes live births and still births if the birthweight was at least 400 grams or the gestational age was 20 weeks or more.

First trimester is defined as the first 13 weeks of pregnancy.

Numerators

Measure 1(a): number of women who gave birth who attended at least one antenatal visit was reported in the first trimester (up to and including 13 completed weeks), whether resulting in live or still birth.

Measure 1(b): number of women who gave birth who attended five or more antenatal visits was reported for pregnancy of 32 or more weeks, whether resulting in live or still birth.
Denominators

Measure (1a): total number of women who gave birth at 32 weeks or more gestation, whether resulting in live or still birth.

Measure (1b): total number of women who gave birth at 32 weeks or more gestation, whether resulting in live or still birth.
Disaggregation

National and state/territory for Indigenous women (crude rates).

National and state/territory by Indigenous status (age-standardised rates).

References

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