Childhood interparental conflict and HPA axis activity in young adulthood: examining nonlinear relations

Melissa J. Hagan, Danielle S. Roubinov, Catherine L. Purdom Marreiro, Linda Luecken

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Relations between early adversity and the neuroendocrine stress response are most often tested in a linear framework. Findings from studies of nonlinear relations between early stress and reactivity in childhood are suggestive, but curvilinear associations between childhood family stress and stress reactivity at later developmental stages remain unexplored. The current study examined curvilinear relations between childhood interparental conflict (IPC) and cortisol reactivity in young adulthood. Participants (n = 91; Mean age = 18.7, SD = .97; 59% White, 25% Hispanic) reported on the frequency and intensity of childhood exposure to IPC and salivary cortisol was sampled before and after a challenging interpersonal role-play task. Significant curvilinear relations were found such that higher total cortisol and cortisol reactivity during the task was observed among youth reporting lower and higher frequency of IPC, suggesting that moderate IPC exposure may be associated with lower cortisol activity at a later developmental stage.

Original languageEnglish (US)
Pages (from-to)871-880
Number of pages10
JournalDevelopmental Psychobiology
Volume56
Issue number4
DOIs
StatePublished - May 1 2014

Keywords

  • cortisol
  • curvilinear
  • interparental conflict
  • stress-inoculation
  • young adulthood

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Developmental Neuroscience
  • Developmental Biology
  • Behavioral Neuroscience

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