Interrelations between Maternal Smoking during Pregnancy, Birth Weight and Sociodemographic Factors in the Prediction of Early Cognitive Abilities

Autor/inn/en	Huijbregts, S. C. J.; Seguin, J. R.; Zelazo, P. D.; Parent, S.; Japel, C.; Tremblay, R. E.
Titel	Interrelations between Maternal Smoking during Pregnancy, Birth Weight and Sociodemographic Factors in the Prediction of Early Cognitive Abilities
Quelle	In: Infant and Child Development, 15 (2006) 6, S.593-607 (15 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1522-7219
DOI	10.1002/icd.480
Schlagwörter	Body Weight; Family Income; Smoking; Pregnancy; Children; Short Term Memory; Foreign Countries; Verbal Ability; Spatial Ability; Prenatal Influences; Mothers; Socioeconomic Influences; Predictor Variables; Cognitive Ability; Cues; Recall (Psychology); Educational Attainment; Parenting Styles; Family Relationship; Canada; Peabody Picture Vocabulary Test; Block Design Test; Wechsler Preschool and Primary Scale of Intelligence + Suchen Sie Ihr Suchwort? Körpergewicht; Familieneinkommen; Rauchen; Schwangerschaft; Child; Kind; Kinder; Kurzzeitgedächtnis; Ausland; Mündliche Leistung; Räumliches Vorstellungsvermögen; Pränataler Einfluss; Mother; Mutter; Sozioökonomischer Faktor; Prädiktor; Denkfähigkeit; Stichwort; Abberufung; Bildungsabschluss; Bildungsgut; Kanada
Abstract	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.) (As Provided).
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Update	2017/4/10