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Type: Journal article
Title: The impact of Aboriginal status, cigarette smoking and smoking cessation on perinatal outcomes in South Australia
Author: Hodyl, N.
Grzeskowiak, L.
Stark, M.
Scheil, W.
Clifton, V.
Citation: Medical Journal of Australia, 2014; 201(5):274-278
Publisher: The Australasian Medical Publishing Company
Issue Date: 2014
ISSN: 0025-729X
Statement of
Nicolette A Hodyl, Luke E Grzeskowiak, Michael J Stark, Wendy Scheil, Vicki L Clifton
Abstract: Objective: To assess the impact of Aboriginal status, active cigarette smoking and smoking cessation during pregnancy on perinatal outcomes. Design: Retrospective cohort study from 1 January 1999 to 31 December 2008. Setting: All singleton births in South Australia. Participants: Population-based birth records of pregnancies to Aboriginal women (n = 4245) and non-Aboriginal women (n = 167 746). Main outcome measures: Adjusted odds ratios (aORs) and 95% CIs for adverse maternal and neonatal outcomes according to Aboriginal status and maternal smoking in pregnancy. Results: Active cigarette smoking during pregnancy was associated with an increased risk of adverse perinatal outcomes, including premature labour (Aboriginal, 1-10 cigarettes per day: aOR, 1.69; 95% CI, 1.28-2.23; non-Aboriginal, 1-10 cigarettes per day: aOR, 1.46; 95% CI, 1.34-1.58), preterm birth (Aboriginal, 1-10 cigarettes per day: aOR, 1.40; 95% CI, 1.14-1.73; non-Aboriginal, 1-10 cigarettes per day: aOR, 1.48; 95% CI, 1.39-1.57), intrauterine growth restriction (Aboriginal, 1-10 cigarettes per day: aOR, 2.33; 95% CI, 1.77-3.08; non-Aboriginal, 1-10 cigarettes per day: aOR, 2.65; 95% CI, 2.48-2.83) and small for gestational age (Aboriginal, 1-10 cigarettes per day: aOR, 2.49; 95% CI, 2.06-3.00; non- Aboriginal, 1-10 cigarettes per day: aOR, 2.29; 95% CI, 2.20-2.40). For both Aboriginal and non-Aboriginal women who smoked 11 or more cigarettes per day the aOR for these outcomes increased. Smoking cessation in the fi rst trimester reduced these risks to levels comparable with non-smokers. The risk of each adverse outcome was greater in Aboriginal than non-Aboriginal women for all smoking categories; however, interactions between Aboriginal status and smoking were not signifi cant, indicating an equal contribution of smoking to poor outcomes in both populations. Conclusions: Smoking cessation or reduction during pregnancy would signifi cantly improve outcomes in both Aboriginal and non-Aboriginal women. This should be made a clear priority to improve pregnancy outcomes for all women.
Keywords: Humans
Urinary Tract Infections
Fetal Growth Retardation
Fetal Membranes, Premature Rupture
Premature Birth
Postpartum Hemorrhage
Oxygen Inhalation Therapy
Retrospective Studies
Cohort Studies
Smoking Cessation
Infant, Newborn
Infant, Small for Gestational Age
Intensive Care Units, Neonatal
Obstetric Labor, Premature
Young Adult
Smoking Prevention
Native Hawaiian or Other Pacific Islander
Rights: Copyright status unknown
DOI: 10.5694/mja13.11142
Grant ID:
Appears in Collections:Aurora harvest 7
Paediatrics publications

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