Duration and intensity of being breastfed and educational attainment, income and labour force participation: a prospective cohort and sibling study from Denmark

Breastfeeding improves cognitive ability in childhood, but the long-term impact on socioeconomic outcomes remains unknown. We examined associations between durations of predominant and any breastfeeding and educational attainment, income, and labor force participation in adulthood, and whether these...

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Bibliographic Details
Published in:Public health (London) 2024-12, Vol.237, p.37-43
Main Authors: Bjerregaard, L.G., Johansen, T.S.D., Dahl, C.M., Baker, J.L.
Format: Article
Language:English
Subjects:
Adult
Breast Feeding - statistics & numerical data
Breastfeeding duration
Cohort study
Denmark
Education
Educational Status
Employment
Employment - statistics & numerical data
Exclusive breastfeeding
Female
Humans
Income
Income - statistics & numerical data
Infant
Male
Middle Aged
Prospective Studies
Sibling comparison
Siblings
Socioeconomic Factors
Time Factors
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Summary:Breastfeeding improves cognitive ability in childhood, but the long-term impact on socioeconomic outcomes remains unknown. We examined associations between durations of predominant and any breastfeeding and educational attainment, income, and labor force participation in adulthood, and whether these varied by maternal education. Prospective cohort study. We followed 84,255 individuals born 1959–1967 with prospectively collected information on breastfeeding duration and intensity from the Copenhagen Infant Health Nurse Records. Socioeconomic outcome information came from national registers (1980–2020). Linear and Poisson regression were used, and models were adjusted for prenatal and postnatal variables across three levels of maternal education. Durations of being breastfed exhibited associations with all outcomes, with most being more pronounced among mothers with low education. Compared with infants breastfed
ISSN:0033-3506
1476-5616
1476-5616
DOI:10.1016/j.puhe.2024.08.026