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The Personality Inventory for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Brief Form (PID-5-BF) was developed with an assumption of invariance across sexual and gender minority (SGM) individuals. This assumption has yet to be tested empirically. Using multigroup confirmatory factor analysis, we examined measurement invariance in the PID-5-BF across the SGM status in clinical (N = 1,174; n = 254 SGM) and nonclinical (N = 1,456; n = 151 SGM) samples. Measurement invariance was supported for the PID-5-BF structure, item thresholds, and factor loadings, but not at the item intercept level. SGM individuals endorsed higher negative affectivity, antagonism, disinhibition, and psychoticism domains in both samples. In the clinical sample, adjusting for partial invariance decreased detachment and antagonism levels for SGM persons. In the nonclinical sample, adjusting for partial invariance reduced antagonism disparities in the SGM group, even rendering original group differences null. Our results support the use of the PID-5-BF in SGM populations but indicate that some measurement bias may drive observed disparities in maladaptive trait domains and, in turn, personality disorder diagnosis. [ABSTRACT FROM AUTHOR]

Sexual minorities are at increased risk of suicide; however, it is unclear whether there are within-sexual minority differences in risk across specific sexual identities-notably between bisexual and lesbian/gay subgroups. We therefore conducted a systematic review and meta-analysis to quantify associations between bisexual identity and self-reported suicide ideation and attempt and the moderation of these associations by gender/sex, age, sampling strategy, and measurement of sexuality. Abstracts and full texts were independently screened by two reviewers, resulting in a total of 46 studies that met inclusion criteria and reported 12-month or lifetime prevalence estimates for suicide ideation or attempt. A consistent gradient was observed across all four outcomes, whereby bisexual respondents reported the highest proportion of suicide ideation or attempt, lesbian/gay respondents the next highest proportion, and heterosexual respondents the lowest proportion. Random-effects meta-analysis comparing bisexual individuals with lesbian/gay individuals yielded odds ratios (ORs) ranging between 1.22-1.52 across the four outcomes examined. Between-study variability in ORs was large. Thirty-one percent of heterogeneity was explained by sample type (e.g., probability vs. non-probability) and 17% by gender/sex. ORs were consistently larger for women (range: 1.48-1.95, all statistically significant at p < .05) than for men (range: 1.00-1.48, all p > .05), suggesting that gender/sex moderates the association between bisexual identity and suicide risk. Within-sexual minority differences in suicide risk may be attributed to structural and interpersonal experiences of monosexism, bisexual erasure and invisibility, or lack of bisexual-affirming social support, each of which may be experienced differently across gender/sex identities. [ABSTRACT FROM AUTHOR]