| The influence of birth weight and socioeconomic position on cognitive development: Does the early home and learning environment modify their effects? | |
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MedLine Citation:
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PMID: 16423598 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To establish whether effects of birth weight and socioeconomic position on cognition are explained or modified by home or learning environments. STUDY DESIGN: Prospective birth cohort (n = 13,980) with math tests at 7, 11, and 16 years of age and qualifications by 33 years of age. RESULTS: For 1 kg increase in birth weight, 7-year math Z score increased 0.23 (0.19 adjusted for parental interest in child's progress) and adult qualifications increased 0.22 (on a 5-point scale). Maternal reading benefited math less among lower than higher birth weights (p < .05). The birth weight effect remained unchanged 7 to 16 years of age. For each increment in social class (4 categories; IV&V to I&II), 7-year math increased 0.19 (0.12 adjusted for parental interest). Benefits of mother's reading and father's interest were greatest in classes IV&V (interaction p < .05). The difference in Z scores between classes I&II to IV&V was 0.57 at 7 years; 1.12 at 16 years of age. Estimates were little affected by home and school factors. Adult qualifications increased 0.40 per unit social class (0.33 adjusted for parental interest). Maternal interest reduced the chances of those from unskilled manual origins gaining few qualifications (p < .05). Similarly, interactions were seen for maternal reading and paternal interest. CONCLUSION: Influences in the home partly underlie associations between social background and cognition, but they do little to explain a birth weight/cognition association. |
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Authors:
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Chris Power; Barbara J M H Jefferis; Orly Manor; Clyde Hertzman |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Journal of pediatrics Volume: 148 ISSN: 0022-3476 ISO Abbreviation: J. Pediatr. Publication Date: 2006 Jan |
Date Detail:
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Created Date: 2006-01-20 Completed Date: 2006-07-10 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0375410 Medline TA: J Pediatr Country: United States |
Other Details:
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Languages: eng Pagination: 54-61 Citation Subset: AIM; IM |
Affiliation:
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Institute of Child Health, Centre for Peadiatric Epidemiology and Biostatistics, London, United Kingdom. c.power@ich.ucl.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Birth Certificates Birth Weight / physiology* Child Child Development / physiology Cognition / physiology* Cohort Studies Educational Status England Female Follow-Up Studies Humans Infant, Newborn Male Multivariate Analysis Prospective Studies Scotland Sex Factors Social Class* Socioeconomic Factors Wales |
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