Intimate Partner Relationships on Suicidal Thoughts and Behaviors

Background: Intimate partner relationships significantly influence suicidal thoughts and behaviors (STB), yet research examining these complex dynamics has been fragmented. This study investigated the pathways through which relationship factors influence suicidality by analyzing 120 cases with diverse relationship experiences and suicidal histories. Methods: Using a mixed-methods approach, we collected data through structured clinical interviews, standardized relationship assessments, in-depth qualitative interviews, timeline follow-back calendars, and ecological momentary assessment. Quantitative analyses included multivariate regression and path analysis models, while qualitative data underwent constructivist grounded theory analysis, followed by an integrated case typology development. Results: Four distinct relationship-suicide pathways emerged: crisis-triggered (30.8%), characterized by acute relationship ruptures; chronic deterioration (35.8%), marked by ongoing conflict and communication breakdown; abusive control (23.3%), involving power imbalance and entrapment; and attachment vulnerability (10.0%), defined by intense fears of abandonment. Timeline data revealed rapid progression (0-3 days) from certain relationship events to suicidal crises. Significant mediating mechanisms included thwarted belongingness, perceived burdensomeness, emotional dysregulation, and entrapment. Qualitative analysis identified five themes: relationship as identity, entrapment and hopelessness, relationship as safe haven, relational self-blame, and cyclical crisis patterns. Conclusions: This study advances understanding of intimate partner relationship influences on suicidality by identifying distinct relationship-suicide pathways, temporal dynamics, and psychological mechanisms. Findings suggest the need for differentiated clinical approaches based on relationship patterns and targeted interventions addressing specific mediating mechanisms. Integrating relationship counseling wit