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Breast feeding and resilience against psychosocial stress
Örebro University, Department of Clinical Medicine.ORCID iD: 0000-0001-6328-5494
2006 (English)In: Archives of Disease in Childhood, ISSN 0003-9888, E-ISSN 1468-2044, Vol. 91, no 12, p. 990-994Article in journal (Refereed) Published
Abstract [en]

Background: Some early life exposures may result in a well controlled stress response, which can reduce stress related anxiety. Breast feeding may be a marker of some relevant exposures.

Aims: To assess whether breast feeding is associated with modification of the relation between parental divorce and anxiety.

Methods: Observational study using longitudinal birth cohort data. Linear regression was used to assess whether breast feeding modifies the association of parental divorce/separation with anxiety using stratification and interaction testing. Data were obtained from the 1970 British Cohort Study, which is following the lives of those born in one week in 1970 and living in Great Britain. This study uses information collected at birth and at ages 5 and 10 years for 8958 subjects. Class teachers answered a question on anxiety among 10 year olds using an analogue scale (range 0–50) that was log transformed to minimise skewness.

Results: Among 5672 non-breast fed subjects, parental divorce/separation was associated with a statistically significantly raised risk of anxiety, with a regression coefficient (95% CI) of 9.4 (6.1 to 12.8). Among the breast fed group this association was much lower: 2.2 (−2.6 to 7.0). Interaction testing confirmed statistically significant effect modification by breast feeding, independent of simultaneous adjustment for multiple potential confounding factors, producing an interaction coefficient of −7.0 (−12.8 to −1.2), indicating a 7% reduction in anxiety after adjustment.

Conclusions: Breast feeding is associated with resilience against the psychosocial stress linked with parental divorce/separation. This could be because breast feeding is a marker of exposures related to maternal characteristics and parent–child interaction.

Place, publisher, year, edition, pages
2006. Vol. 91, no 12, p. 990-994
Keywords [en]
Adolescent, Adult, Age Distribution, Anxiety Disorders/*etiology/prevention & control, Breast Feeding, Child, Child; Preschool, Cohort Studies, Divorce, Educational Status, Humans, Infant, Infant; Newborn, Longitudinal Studies, Social Class, Stress; Psychological/*prevention & control
National Category
Medical and Health Sciences Pediatrics
Research subject
Pediatrics; Medicine
Identifiers
URN: urn:nbn:se:oru:diva-3790DOI: 10.1136/adc.2006.096826PubMedID: 16887859OAI: oai:DiVA.org:oru-3790DiVA, id: diva2:138088
Available from: 2009-01-05 Created: 2009-01-05 Last updated: 2017-12-14Bibliographically approved

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Montgomery, Scott M.

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