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Breastfeeding is associated with enhanced learning abilities in school-aged children

Cited 2 time in Web of Science Cited 5 time in Scopus
Authors
Kim, Johanna Inhyang; Kim, Bung-Nyun; Kim, Jae-Won; Hong, Soon-Beom; Shin, Min-Sup; Yoo, Hee Jeong; Cho, Soo-Churl
Issue Date
2017-07-19
Publisher
BioMed Central
Citation
Child and Adolescent Psychiatry and Mental Health, 11(1):36
Keywords
BreastfeedingIntelligenceLearningMaternal cognition
Description
IQ: intelligence quotient; SES: socioeconomic status; LDES: Learning Disability Evaluation Scale; LQ: learning quotient; DHA: docosahexaenoic acid; AA: arachidonic acid.
Abstract
Abstract

Objective
The majority of studies on the associations between breastfeeding and cognitive functioning have focused on IQ, with only a few investigating learning skills, and none of the latter adjusting for maternal IQ. We examined the association between breastfeeding and learning abilities in school-aged children using a cross-sectional design.

Methods
We recruited 868 children, aged 8–11 years and parents completed the Learning Disability Evaluation Scale (LDES). Multivariable linear regression models were used and age, gender, area of residence, annual family income, maternal education, and maternal age at delivery, were included as covariates. Maternal IQ was added to further adjust for the effects of maternal cognitive ability. Path analysis was conducted to investigate the mediation effect of maternal IQ between breastfeeding and learning skills.

Results
Children who were ever-breastfed had higher learning quotient scores on the LDES (p = 0.001) as well as higher scores on subscales related to speaking (p = 0.001), reading (p = 0.005), writing (p = 0.004), spelling (p = 0.003), and mathematical calculation (p = 0.003) than the never-breastfed participants. All of these variables remained significant after adjusting for gestational and socioeconomic factors and for maternal IQ as covariates. The path analysis showed that breastfeeding had both indirect and direct effects on the learning quotient.

Conclusions
The results suggest that breastfeeding is positively associated with learning skills in school-aged children.
ISSN
1753-2000
Language
English
URI
http://hdl.handle.net/10371/138298
DOI
https://doi.org/10.1186/s13034-017-0169-0
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College of Medicine/School of Medicine (의과대학/대학원)Psychiatry (정신과학전공)Journal Papers (저널논문_정신과학전공)
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