Abstract

ABSTRACT Suicides, and related self-injurious thoughts and behaviors (SITBs), are among the leading public health concerns in American jails. Despite suicide being the leading cause of death in jails, there is little information about the prevalence of SITBs among incarcerated individuals. The Self-Injurious Thoughts and Behaviors Interview (SITBI) was developed to assess the presence, frequency, and characteristics of self-injurious thoughts and behaviors. The SITBI has been implemented and validated in a variety of clinical and research settings, but not among incarcerated individuals. With survey data collected from two samples of incarcerated individuals from Florida and Texas, single-item reliability, graded item response modeling, and validity tests are used to evaluate the psychometric properties of an adapted version of the SITBI, the SITBI-J (Self-Injurious Thoughts and Behaviors Interview – Jail). The SITBI-J demonstrated strong single-item coefficients (coefficient range from rx = .33–.99).: The SITBI-J showed strong construct validity when assessed using convergent tests with Beck’s Hopelessness Scale, and discriminate validity against a theoretically dissimilar measure. Results demonstrate the potential of the SITBI-J for correctional settings. Future research should continue to test and validate the SITBI-J in other jail facilities.

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