| Effect of birth weight, maternal education and prenatal smoking on offspring intelligence at school age. | |
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MedLine Citation:
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PMID: 20634008 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To examine the combined effect of birth weight, mothers' education and prenatal smoking on psychometrically measured intelligence at school age 1,822 children born in 1992-1999 and attending the first six grades from 45 schools representing all of the fifteen Estonian counties with information on birth weight, gestational age and mother's age, marital status, education, parity and smoking in pregnancy, and intelligence tests were studied. The scores of Raven's Standard Progressive Matrices were related to the birth weight: in the normal range of birth weight (>or=2500 g) every 500 g increase in birth weight was accompanied by around 0.7-point increase in IQ scores. A strong association between birth weight and IQ remained even if gestational age and mother's age, marital status, education, place of residence, parity and smoking during pregnancy have been taken into account. Maternal prenatal smoking was accompanied by a 3.3-point deficit in children's intellectual abilities. Marriage and mother's education had an independent positive correlation with offspring intelligence. We concluded that the statistical effect of birth weight, maternal education and smoking in pregnancy on offspring's IQ scores was remarkable and remained even if other factors have been taken into account. |
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Authors:
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Kaja Rahu; Mati Rahu; Helle Pullmann; Jüri Allik |
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Publication Detail:
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Type: Journal Article Date: 2010-07-14 |
Journal Detail:
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Title: Early human development Volume: 86 ISSN: 1872-6232 ISO Abbreviation: Early Hum. Dev. Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-08-23 Completed Date: 2010-12-10 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7708381 Medline TA: Early Hum Dev Country: Ireland |
Other Details:
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Languages: eng Pagination: 493-7 Citation Subset: IM |
Copyright Information:
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Copyright 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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National Institute for Health Development, The Estonian Centre of Behavioural and Health Sciences, Estonia. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Birth Weight* Child Educational Status* Estonia / epidemiology Female Gestational Age Humans Infant, Newborn Intelligence* Intelligence Tests Male Maternal Exposure / adverse effects* Mother-Child Relations Mothers / psychology Pregnancy Prenatal Exposure Delayed Effects / etiology, psychology Smoke / adverse effects* Young Adult |
| Chemical | |
Reg. No./Substance:
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0/Smoke |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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