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Type: Journal article
Title: Gestational age specific stillbirth risk among Indigenous and non-Indigenous women in Queensland, Australia: a population based study
Author: Ibiebele, I.
Coory, M.
Smith, G.
Boyle, F.
Vlack, S.
Middleton, P.
Roe, Y.
Flenady, V.
Citation: BMC Pregnancy and Childbirth, 2016; 16(1):159-1-159-8
Publisher: BioMed Central Ltd
Issue Date: 2016
ISSN: 1471-2393
Statement of
Ibinabo Ibiebele, Michael Coory, Gordon C. S. Smith, Frances M Boyle, Susan Vlack, Philippa Middleton, Yvette Roe, and Vicki Flenady
Abstract: Background: In Australia, significant disparity persists in stillbirth rates between Aboriginal and Torres Strait Islander (Indigenous Australian) and non-Indigenous women. Diabetes, hypertension, antepartum haemorrhage and smallfor- gestational age (SGA) have been identified as important contributors to higher rates among Indigenous women. The objective of this study was to examine gestational age specific risk of stillbirth associated with these conditions among Indigenous and non-Indigenous women. Methods: Retrospective population-based study of all singleton births of at least 20 weeks gestation or at least 400 grams birthweight in Queensland between July 2005 and December 2011 using data from the Queensland Perinatal Data Collection, which is a routinely-maintained database that collects data on all births in Queensland. Multivariate logistic regression was used to calculate adjusted odds ratios (aOR) and 95 % confidence intervals, adjusting for maternal demographic and pregnancy factors. Results: Of 360987 births analysed, 20273 (5.6 %) were to Indigenous women and 340714 (94.4 %) were to non-Indigenous women. Stillbirth rates were 7.9 (95 % CI 6.8–9.2) and 4.1 (95 % CI 3.9–4.3) per 1000 births, respectively. For both Indigenous and non-Indigenous women across most gestational age groups, antepartum haemorrhage, SGA, pre-existing diabetes and pre-existing hypertension were associated with increased risk of stillbirth. There were mixed results for pre-eclampsia and eclampsia and a consistently raised risk of stillbirth was not seen for gestational diabetes. Conclusion: This study highlights gestational age specific stillbirth risk for Indigenous and non-Indigenous women; and disparity in risk at term gestations. Improving access to and utilisation of appropriate and responsive healthcare may help to address disparities in stillbirth risk for Indigenous women.
Keywords: Aboriginal and Torres Strait Islander Australians; Indigenous; Fetal death, Stillbirth; Risk; Diabetes; Hypertension; Antepartum haemorrhage; Small for gestational age
Rights: © 2016 The Author(s). Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated
DOI: 10.1186/s12884-016-0943-7
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