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Research Article

Fetal Alcohol Exposure and IQ at Age 8: Evidence from a Population-Based Birth-Cohort Study

  • Sarah J. Lewis mail,

    s.j.lewis@bristol.ac.uk

    Affiliation: School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

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  • Luisa Zuccolo,

    Affiliations: School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom, MRC Centre for Causal Analyses in Translational Epidemiology, School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

    X
  • George Davey Smith,

    Affiliation: MRC Centre for Causal Analyses in Translational Epidemiology, School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

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  • John Macleod,

    Affiliation: School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

    X
  • Santiago Rodriguez,

    Affiliations: School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom, MRC Centre for Causal Analyses in Translational Epidemiology, School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

    X
  • Elizabeth S. Draper,

    Affiliation: Department of Health Sciences, University of Leicester, Leicester, United Kingdom

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  • Margaret Barrow,

    Affiliation: Clinical Genetics, University Hospitals of Leicester, Leicester, United Kingdom

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  • Rosa Alati,

    Affiliation: School of Population Health & Centre for Youth Substance Abuse Research, University of Queensland, Queensland, Australia

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  • Kapil Sayal,

    Affiliation: Developmental Psychiatry, University of Nottingham, Nottingham, United Kingdom

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  • Susan Ring,

    Affiliation: School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

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  • Jean Golding,

    Affiliation: School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom

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  • Ron Gray

    Affiliation: National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom

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  • Published: November 14, 2012
  • DOI: 10.1371/journal.pone.0049407

Reader Comments (4)

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Surprising result

Posted by marscobeinn on 15 Nov 2012 at 23:51 GMT

The most fascinating part of this paper, to my mind, is the column in Table 4 where the highly non-intuitive result shows that the “abstainers” are significantly less-educated and overall of lower socioeconomic class than the remainder of the studied group. When I heard about this study today, my immediate guess was the opposite.

No competing interests declared.

RE: Surprising result

tim_bates replied to marscobeinn on 21 Nov 2012 at 15:57 GMT

This might be a useful pointer into the literature. Brighter richer people drink more:

Corley, J., Jia, X., Brett, C. E., Gow, A. J., Starr, J. M., Kyle, J. A., . . . Deary, I. J. (2011). Alcohol intake and cognitive abilities in old age: the Lothian Birth Cohort 1936 study. Neuropsychology, 25(2), 166-175. doi: 10.1037/a0021571

No competing interests declared.