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  • Is smoking in pregnancy an independent predictor of academic difficulties at 14 years of age? A birth cohort study

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    Author(s)
    O'Callaghan, Frances V
    Al Mamun, Abdullah
    O'Callaghan, Michael
    Alati, Rosa
    Williams, Gail M
    Najman, Jake M
    Griffith University Author(s)
    O'Callaghan, Frances V.
    Year published
    2010
    Metadata
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    Abstract
    Background: Studies of the effects of maternal smoking during pregnancy have reported inconsistent findings in relation to measures of offspring cognitive functioning. Few studies, however, have examined learning outcomes in adolescents, as opposed to IQ. Aim: To examine the association between maternal smoking during pregnancy and academic performance among adolescent offspring. Study design: Population-based birth cohort study. Subjects: 7223 mothers and children were enrolled in the Mater-University of Queensland Study of Pregnancy in Brisbane (Australia) from 1981 to 1984. Analyses were restricted to the 4294 ...
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    Background: Studies of the effects of maternal smoking during pregnancy have reported inconsistent findings in relation to measures of offspring cognitive functioning. Few studies, however, have examined learning outcomes in adolescents, as opposed to IQ. Aim: To examine the association between maternal smoking during pregnancy and academic performance among adolescent offspring. Study design: Population-based birth cohort study. Subjects: 7223 mothers and children were enrolled in the Mater-University of Queensland Study of Pregnancy in Brisbane (Australia) from 1981 to 1984. Analyses were restricted to the 4294 mothers and children for whom all information was reported at 14-year follow-up. Outcome measures: Reports of academic performance of 14-year-old offspring in English, Science and Mathematicswith different patterns ofmaternal smoking (never smoked, smoked before and/or after pregnancy but not during pregnancy, or smoked during pregnancy). Results: Low academic achievement was more common only in those whose mothers had smoked during pregnancy. Effect sizes were, however, small. The adjusted mean difference in total learning score for smoking before and/or after pregnancy but not during pregnancy, and for smoking during pregnancy were-0.18 (-0.58, 0.22) and-0.40 (-0.69,-0.12). Similarly, the adjusted odds ratios were 0.9 (0. 65, 1.24) and 1.35 (1.07, 1.70). Conclusion: Maternal smoking during pregnancy is a preventable prenatal risk factor associated with small decrements in offspring academic performance that continue into adolescence.
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    Journal Title
    Early Human Development
    Volume
    86
    Issue
    2
    DOI
    https://doi.org/10.1016/j.earlhumdev.2009.12.008
    Copyright Statement
    © 2010 Elsevier Ireland Ltd.. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Clinical sciences
    Epidemiology not elsewhere classified
    Cognitive and computational psychology
    Publication URI
    http://hdl.handle.net/10072/32175
    Collection
    • Journal articles

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