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ERIC Number: EJ958168
Record Type: Journal
Publication Date: 2006
Pages: 15
Abstractor: As Provided
Reference Count: 40
ISBN: N/A
ISSN: ISSN-1522-7219
Interrelations between Maternal Smoking during Pregnancy, Birth Weight and Sociodemographic Factors in the Prediction of Early Cognitive Abilities
Huijbregts, S. C. J.; Seguin, J. R.; Zelazo, P. D.; Parent, S.; Japel, C.; Tremblay, R. E.
Infant and Child Development, v15 n6 p593-607 Nov-Dec 2006
Maternal prenatal smoking, birth weight and sociodemographic factors were investigated in relation to cognitive abilities of 1544 children (aged 3.5 years) participating in the Quebec Longitudinal Study of Children's Development. The Peabody Picture Vocabulary Test (PPVT) was used to assess verbal ability, the Wechsler Preschool and Primary Scale of Intelligence-Revised (WPPSI-R) block design test to assess visuospatial ability, and the Visually Cued Recall (VCR) task to assess short-term memory. Prenatal smoking was related to performance on the WPPSI-R, the PPVT, and the VCR, although it did not independently predict any cognitive ability after maternal education was taken into account. Birth weight was a more robust predictor of all outcome measures and independently predicted VCR-performance. Birth weight interacted significantly with family income and maternal education in predicting visuospatial ability, indicating a greater influence of birth weight under relatively poor socio-economic conditions. Parenting and family functioning mediated associations between maternal education/family income and cognitive task performance under different birth weight conditions, although there were indications for stronger effects under relatively low birth weight. We conclude that investigations of moderating and mediating effects can provide insights into which children are most at risk of cognitive impairment and might benefit most from interventions. (Contains 3 tables.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Canada
Identifiers - Assessments and Surveys: Peabody Picture Vocabulary Test; Block Design Test; Wechsler Preschool and Primary Scale of Intelligence