Military sexual harassment (MSH) and assault (MSA) are prevalent among service members and are linked to negative psychosocial outcomes, including self-directed violence. Veterans identifying as women or as sexual or gender minorities are at heightened risk for both MSH/MSA and self-directed violence, but their relationship remains understudied in these populations. We examined associations of MSH and MSA with nonsuicidal self-injury (NSSI) and tested whether relations varied by self-identified gender or sexual orientation in two national samples of U.S. veterans. Sample 1 included post-9/11 veterans who had recently discharged from service (n = 1,494); sample 2 included veterans from any service era (n = 1,187). Veterans self-reported MSH, MSA, gender identity and sexual orientation, and lifetime and past-month histories of NSSI. We estimated logistic regressions to examine the associations of MSH and MSA history with NSSI and evaluated gender (man or woman) and sexual orientation as moderators of these relations. Results suggested significant associations of both MSH and MSA with NSSI but largely failed to support moderation of these associations by either gender or sexual orientation identity. Screening for both MSH and MSA in veterans across gender and sexual orientation identities appears indicated in clinical assessment of NSSI.
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