BACKGROUND: Smoking in pregnancy is associated with a range of adverse pregnancy outcomes. AIM: To compare adverse pregnancy outcomes for women according to smoking status at the first antenatal visit in an Australian setting. METHODS: A retrospective study using routinely collected data of all births between 1997 and 2006 at the Mater Mothers' Hospital Brisbane (MMH). Analysis was undertaken using multivariate logistic regression. The following comparisons were undertaken: (i) smokers versus non-smokers; (ii) recent quitters (quit within the last 12 months) versus smokers; and (iii) recent quitters versus non-smokers. Primary outcome measures were small for gestational age (SGA) <10th customised centile and preterm birth (PTB) <37 weeks. RESULTS: Between 1997 and 2006, 40,193 women birthed at the MMH. Of these 30,524 (75.9%), for which adequate data were available, were included in the study. The smoking rate at booking was 15.4%. Compared to non-smokers (n = 25,814), women who were smoking at the first visit (n = 4710) were at increased risk of SGA (aOR = 2.26, 95%CI = 2.08-2.47) and PTB (aOR = 1.42, 95%CI = 1.27-1.59). In the subset (7801 births) used for comparisons two and three, compared to smokers (n = 1434), recent quitters (n = 945) were at a decreased risk of SGA (aOR = 0.43, 95%CI = 0.33-0.57) but not PTB (aOR = 0.92. 95%CI = 0.69-1.23). Outcomes for recent quitters and non-smokers (n = 5422) appeared similar. CONCLUSION: This study confirms the increased risk of continued smoking in pregnancy. Women who quit prior to or during early pregnancy appear to have similar risk to that of non-smokers.
BACKGROUND: Smoking in pregnancy is associated with a range of adverse pregnancy outcomes. AIM: To compare adverse pregnancy outcomes for women according to smoking status at the first antenatal visit in an Australian setting. METHODS: A retrospective study using routinely collected data of all births between 1997 and 2006 at the Mater Mothers' Hospital Brisbane (MMH). Analysis was undertaken using multivariate logistic regression. The following comparisons were undertaken: (i) smokers versus non-smokers; (ii) recent quitters (quit within the last 12 months) versus smokers; and (iii) recent quitters versus non-smokers. Primary outcome measures were small for gestational age (SGA) <10th customised centile and preterm birth (PTB) <37 weeks. RESULTS: Between 1997 and 2006, 40,193 women birthed at the MMH. Of these 30,524 (75.9%), for which adequate data were available, were included in the study. The smoking rate at booking was 15.4%. Compared to non-smokers (n = 25,814), women who were smoking at the first visit (n = 4710) were at increased risk of SGA (aOR = 2.26, 95%CI = 2.08-2.47) and PTB (aOR = 1.42, 95%CI = 1.27-1.59). In the subset (7801 births) used for comparisons two and three, compared to smokers (n = 1434), recent quitters (n = 945) were at a decreased risk of SGA (aOR = 0.43, 95%CI = 0.33-0.57) but not PTB (aOR = 0.92. 95%CI = 0.69-1.23). Outcomes for recent quitters and non-smokers (n = 5422) appeared similar. CONCLUSION: This study confirms the increased risk of continued smoking in pregnancy. Women who quit prior to or during early pregnancy appear to have similar risk to that of non-smokers.
Authors: Mercedes Colomar; Van T Tong; Paola Morello; Sherry L Farr; Catalina Lawsin; Patricia M Dietz; Alicia Aleman; Mabel Berrueta; Agustina Mazzoni; Ana Becu; Pierre Buekens; José Belizán; Fernando Althabe Journal: Matern Child Health J Date: 2015-07
Authors: Susan Yuill; Louiza S Velentzis; Megan Smith; Sam Egger; C David Wrede; Deborah Bateson; Marc Arbyn; Karen Canfell Journal: Hum Vaccin Immunother Date: 2021-10-03 Impact factor: 4.526
Authors: Kara N D Polen; Paramjit K Sandhu; Margaret A Honein; Katie K Green; Judy M Berkowitz; Jill Pace; Sonja A Rasmussen Journal: Matern Child Health J Date: 2015-01
Authors: Mathias Mund; Frank Louwen; Doris Klingelhoefer; Alexander Gerber Journal: Int J Environ Res Public Health Date: 2013-11-29 Impact factor: 3.390
Authors: Mathias Mund; Beatrix Kloft; Matthias Bundschuh; Doris Klingelhoefer; David A Groneberg; Alexander Gerber Journal: Int J Environ Res Public Health Date: 2014-05-28 Impact factor: 3.390