Measurement and impacts of intersectionality on obsessive-compulsive disorder symptoms across intensive treatment.

Historically, intensive obsessive-compulsive and related disorder (OCRD) treatment settings have been underrepresentative in terms of patient race and ethnicity. The present study piloted a novel technique to measure multiple marginalized identities and assess their impact on obsessive-compulsive disorder (OCD) symptoms and treatment response across intensive residential treatment (IRT). Participants included 715 residents receiving IRT for OCRD. Measures included the Yale-Brown Obsessive-Compulsive Scale, Dimensional Obsessive-Compulsive Scale (DOCS), Obsessive Beliefs Questionnaire-44, and measures of depression and quality of life. In addition, we piloted a marginalized identity score, an additive measure of intersectionality. Most patients endorsed holding primarily privileged identities. Higher marginalized identity score was significantly correlated with higher depression symptom severity and lower quality of life throughout treatment. Both at baseline and discharge, higher marginalized identity score was significantly and positively correlated with greater OCD symptom severity. Higher marginalized identity score was significantly associated with greater severity of DOCS1, DOCS2, DOCS4, and obsessive beliefs across multiple domains. Consistent with previous literature, patients in our IRT setting were not demographically representative of the general population. Individuals with more marginalized identities endorsed higher symptoms of OCD, obsessive beliefs, OCD dimensions, and depression, as well as lower quality of life at admission and discharge. Results support increased consideration of the role marginalization plays in symptom severity, symptom presentation, and treatment response across treatment settings. Further investigation is warranted to better address the multiplicative effects of holding intersecting marginalized identities and how treatment may be adapted to ameliorate these inequities. (PsycInfo Database Record (c) 2020 APA, all rights reserved).