期刊
MATERNAL AND CHILD HEALTH JOURNAL
卷 25, 期 4, 页码 635-644出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10995-020-03026-x
关键词
Stress; Trauma; Anger; Pregnancy; Preterm birth
资金
- National Institutes of Health [R01 HL095606, R01 HL114396, P30 ES023515]
- [T32 HD049311]
Studies examining the influence of maternal trait anger expression and lifetime traumatic experiences found that higher anger expression and higher lifetime stress experiences were associated with an increased risk of preterm birth among a racially and ethnically diverse sample of pregnant women.
Objectives Most 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. Methods Mother-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. Results Younger, 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 Practice Higher 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.
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