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Associations of Maternal Trait Anger Expression and Lifetime Traumatic and Non-traumatic Experiences with Preterm Birth

Associations of Maternal Trait Anger Expression and Lifetime Traumatic and Non-traumatic... ObjectivesMost studies examining psychosocial factors contributing to preterm birth (PTB) have focused on negative life events. Studies examining the influence of negative emotion, in particular maternal anger, remain sparse. We examined associations of maternal trait anger expression and lifetime traumatic and non-traumatic experiences with the risk of PTB.MethodsMother-newborn pairs were enrolled in the PRogramming of Intergenerational Stress Mechanisms pregnancy cohort based in Boston and New York City. Women completed the State-Trait Anger Expression Inventory-2 (STAXI-2), Life Stressor Checklist-Revised (LSC-R), and Childhood Trauma Questionnaire (CTQ) in pregnancy. We used modified Poisson regression to estimate the relative risk (RR) of PTB (1) in relation to continuous STAXI-2 Anger Expression-In (AX-I) and Anger Expression-Out (AX-O) subscales, (2) in relation to continuous LSC-R scores, and (3) between women who did versus did not experience childhood sexual, emotional, and/or physical abuse in six separate models. We also examined interactions between maternal anger expression and lifetime stress/childhood trauma.ResultsYounger, single, minority women had higher outward anger expression and inward anger suppression. AX-I and AX-O scores were higher among women who experienced abuse in childhood and who had higher lifetime stress. Maternal lifetime stress, outward anger expression, and inward anger suppression were associated with an increased risk of PTB in separate models; however, stress, trauma and anger did not interact to further increase the risk of PTB.Conclusions for PracticeHigher anger expression and higher lifetime stress experiences were associated with an increased risk of PTB among a racially and ethnically diverse sample of pregnant women. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Maternal and Child Health Journal Springer Journals

Associations of Maternal Trait Anger Expression and Lifetime Traumatic and Non-traumatic Experiences with Preterm Birth

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References (44)

Publisher
Springer Journals
Copyright
Copyright © Springer Science+Business Media, LLC, part of Springer Nature 2020
ISSN
1092-7875
eISSN
1573-6628
DOI
10.1007/s10995-020-03026-x
Publisher site
See Article on Publisher Site

Abstract

ObjectivesMost studies examining psychosocial factors contributing to preterm birth (PTB) have focused on negative life events. Studies examining the influence of negative emotion, in particular maternal anger, remain sparse. We examined associations of maternal trait anger expression and lifetime traumatic and non-traumatic experiences with the risk of PTB.MethodsMother-newborn pairs were enrolled in the PRogramming of Intergenerational Stress Mechanisms pregnancy cohort based in Boston and New York City. Women completed the State-Trait Anger Expression Inventory-2 (STAXI-2), Life Stressor Checklist-Revised (LSC-R), and Childhood Trauma Questionnaire (CTQ) in pregnancy. We used modified Poisson regression to estimate the relative risk (RR) of PTB (1) in relation to continuous STAXI-2 Anger Expression-In (AX-I) and Anger Expression-Out (AX-O) subscales, (2) in relation to continuous LSC-R scores, and (3) between women who did versus did not experience childhood sexual, emotional, and/or physical abuse in six separate models. We also examined interactions between maternal anger expression and lifetime stress/childhood trauma.ResultsYounger, single, minority women had higher outward anger expression and inward anger suppression. AX-I and AX-O scores were higher among women who experienced abuse in childhood and who had higher lifetime stress. Maternal lifetime stress, outward anger expression, and inward anger suppression were associated with an increased risk of PTB in separate models; however, stress, trauma and anger did not interact to further increase the risk of PTB.Conclusions for PracticeHigher anger expression and higher lifetime stress experiences were associated with an increased risk of PTB among a racially and ethnically diverse sample of pregnant women.

Journal

Maternal and Child Health JournalSpringer Journals

Published: Nov 18, 2020

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