Abstract
Recent research has merged Five Factor Model (FFM) traits and Interpersonal Theory of Suicide (IPTS) risk factors within a trait-interpersonal theory of suicide to identify the effects of personality on social-cognitive suicide risk factors and subsequent engagement in suicide-related behaviors. Facet-level analyses may increase the identification of specific personality characteristics most associated with heightened suicide risk. The present study examined how FFM domains and facet-level traits differentially related to suicide risk within an IPTS framework. A sample of 281 community adults completed measures of thwarted belongingness, perceived burdensomeness, acquired capability, and FFM characteristics. Each IPTS risk factor demonstrated overlapping characteristics in relation to broad FFM domains that were differentiated by facet-level traits. Findings suggest that specific facet-level traits subsumed by broad FFM domains may explain inconsistent relations between FFM traits and suicide risk when examined at the domain level.
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