Breastfeeding and maternal sensitivity predict early infant temperament

Mar 3, 2015Acta paediatrica (Oslo, Norway : 1992)

Breastfeeding and a mother's responsiveness predict a baby's early temperament

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Abstract

Mothers who breastfed at three months postpartum exhibited greater sensitivity towards their infants at six months postpartum.

Increased maternal sensitivity was associated with lower levels of negative emotions in infants at 18 months postpartum.
The indirect relationship between breastfeeding, sensitivity, and infant temperament was statistically significant after controlling for confounding factors.
Mediation through maternal sensitivity was particularly evident in mothers with higher anxiety levels, indicated by a score of 33.56 or more on the anxiety scale.

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AIM: Research findings are inconclusive when it comes to whether breastfeeding is associated with the mother-infant relationship or infant temperament. We examined the association between breastfeeding at three months postpartum and infant temperament at 18 months postpartum and whether this link was affected by the mothers' anxiety and mediated by her sensitivity.

METHODS: We assessed 170 mothers for breastfeeding and anxiety using the Spielberger State-Trait Anxiety Inventory (STAI) at three months postpartum, maternal sensitivity using the Ainsworth Sensitivity Scale at six months postpartum and infant temperament using the Early Childhood Behaviour Questionnaire at 18 months postpartum.

RESULTS: Mothers who breastfed at three months postpartum were more sensitive in their interactions with their infants at six months postpartum, and elevated sensitivity, in turn, predicted reduced levels of negative affectivity in infant temperament at 18 months postpartum. This indirect mediation persisted after controlling for confounders (effect ab = -0.0312 [0.0208], 95% CI = -0.0884 to -0.0031). A subsequent analysis showed that the mediation through sensitivity only occurred in women experiencing higher anxiety, with a STAI score ≥33.56 at three months (ab = -0.0250 [0.0179], 95% CI = -0.0759 to -0.0013).

CONCLUSION: Our results suggest that breastfeeding and maternal sensitivity may have a positive impact on the early development of infant temperament.

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Breastfeeding and maternal sensitivity predict early infant temperament

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