The Moderating Role of Sibling Relationships in the Link Between Adverse Childhood Experiences and Marital Satisfaction

Abstract

This study examines how sibling relationship quality moderates the link between Adverse Childhood Experiences (ACEs) and marital satisfaction among married Pakistani adults. While ACEs are known to negatively affect marital satisfaction, protective factors like sibling bonds (warmth, trust, shared coping) may buffer this impact. A cross-sectional survey (N = 150) was conducted using purposive sampling. Measures included the ACE Questionnaire, Couples Satisfaction Index (CSI-31), and Lifespan Sibling Relationship Scale (LSRS). Moderated regression analysis was performed via SPSS v25. All scales showed reliable internal consistency (α > .70). Sibling relationship quality significantly moderated the ACEs-marital satisfaction link (p < .05). High sibling warmth mitigated the negative effects of ACEs on marital satisfaction. Therapists should assess sibling dynamics and incorporate sibling-based resilience strategies within trauma-informed couples therapy.