Journal article

Transitions in Smoking Across a Pregnancy: New Information from the Growing Up in New Zealand Longitudinal Study

Chris Schilling, Mary R Hedges, Polly Atatoa Carr, Susan Morton

Maternal and Child Health Journal | SPRINGER/PLENUM PUBLISHERS | Published : 2018


Introduction Maternal smoking remains a modifiable cause of adverse maternal and child health outcomes. This study investigated smoking transitions across pregnancy. Methods Data from the contemporary child cohort study Growing Up in New Zealand (n = 6822) were used to analyse smoking status across three points across a pregnancy: pre-pregnancy, during pregnancy and after pregnancy. Odds-ratios (OR) were calculated for maternal, socio-economic and pregnancy-related factors associated with each transition using multivariate logistic regression. Results The prevalence of smoking pre-pregnancy was 20.3%. The cessation rate during pregnancy was 48.5%, while the postpartum relapse rate was 36.0%...

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Funding Acknowledgements

We acknowledge the key role of the Ministry of Social Development in identifying the need for a longitudinal study that reflects the diversity of today's New Zealand and for its ongoing support. Other agencies, as well as The University of Auckland, have contributed to the cost of the study to-date. These are: the Ministry of Health, the New Zealand Police, the Ministry of Justice, the Families Commission, the Children's Commission, the Department of Labour, the Ministry of Education, Housing New Zealand and Sport and Recreation New Zealand. The funders have had no role in the design, analysis or writing of this article.