From Office-Based Treatment to Telehealth: Comparing Clinical Outcomes and Patient Participation in a Psychiatric Intensive Outpatient Program with a Large Transdiagnostic Sample.

Abstract

Introduction: Patient participation and clinical outcomes of a precoronavirus disease 2019 (COVID-19) office-based transdiagnostic psychiatric intensive outpatient program (IOP) were compared with those of telehealth IOP during COVID-19. Materials and Methods: Weeks of enrollment, Patient Health Questionnaire-9 (PHQ-9) and Generalized Anxiety Disorder-7 (GAD-7) assessments, and sociodemographic and clinical factors (including group track and diagnosis) were collected during pre-COVID-19 (n = 191) and during COVID-19 (n = 200). Continuous and categorical measures of GAD-7 and PHQ-9 were analyzed; potential sociodemographic and clinical covariates to scores were also explored. Results: There were no statistically significant differences in participation between time periods. Associations were observed between PHQ-9/GAD-7 score improvement and number of assessments. Significant score reductions occurred in both periods, and differences in change scores were not significant. Sociodemographic and clinical factors were not significantly different between time periods. Patients with commercial insurance had significantly higher improvement in both mean and categorical PHQ-9 scores (t = 2.77, p = 0.006; χ² = 10.47, df = 1, p = 0.001) and GAD-7 scores (t = 2.29, p = 0.023; χ² = 8.58, df = 1, p = 0.003) than those with public insurance. Patients with anxiety disorders had significantly greater improvements (F = 4.49, p = 0.004; χ² = 9.15, df = 3, p = 0.027) in GAD-7 during COVID-19. Discussion: Significant improvements in PHQ-9/GAD-7 scores and measures of participation were not significantly different between telehealth and office-based IOP, nor were they greatly influenced by clinical or sociodemographic factors. Further study is needed of possible care disparities for publicly insured patients. Conclusion: Despite some limitations, telehealth IOP appears to be a clinically appropriate option for a diverse sociodemographic and diagnostically heterogeneous psychiatric population.