Intimate partner violence indirectly dysregulates child diurnal adrenocortical functioning through positive parenting

Leah C Hibel1, Amy K Nuttall2, Kristin Valentino3

  • 1Department of Human Ecology, University of California, Davis, Davis, CA, USA.

Insights

Mothers experiencing intimate partner violence (IPV) showed less positive parenting, which was linked to higher child waking cortisol. This suggests a pathway impacting children's stress regulation.

Area of Science:

  • Child Psychology
  • Developmental Psychology
  • Stress and Health

Background:

  • Intimate Partner Violence (IPV) is a significant stressor for mothers.
  • Maternal stress and parenting practices can influence child physiological regulation.
  • Understanding the pathways linking maternal IPV to child outcomes is crucial.

Purpose of the Study:

  • To investigate the indirect impact of maternal intimate partner violence (IPV) on child diurnal cortisol levels.
  • To examine the mediating role of parenting practices (positive parenting and autonomy support) in the IPV-child cortisol relationship.
  • To explore the influence of maternal diurnal cortisol as a potential mediator.

Main Methods:

  • Longitudinal study of 221 preschooler dyads.
  • Mothers self-reported intimate partner violence (IPV) and parenting practices.
  • Salivary cortisol was collected from mothers and children at waking, midday, and bedtime over two consecutive days.
  • Bootstrapped mediation analyses were employed to examine indirect effects.

Main Results:

  • Greater maternal exposure to IPV was associated with reduced positive parenting.
  • Reduced positive parenting indirectly predicted higher child waking cortisol levels.
  • IPV did not indirectly impact child diurnal cortisol via autonomy-supporting parenting or maternal diurnal cortisol.

Conclusions:

  • Maternal experiences of IPV may indirectly affect child physiological regulation through reduced positive parenting.
  • Positive parenting acts as a mediator in the pathway between maternal IPV and child waking cortisol.
  • Findings highlight the importance of supporting mothers exposed to IPV to promote positive parenting and child well-being.

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