A Marginal Structural Model to Estimate the Causal Effect of Antidepressant Medication Treatment on Viral Suppression Among Homeless and Marginally Housed Persons With HIV

Abstract
Depression is common among people living with human immunodeficiency virus (HIV)/AIDS. In a nationally representative probability sample of adults receiving care for HIV in the United States, the 12-month prevalence of major depressive disorder according to the Composite International Diagnostic Interview Short Form was 36%.1 This finding exceeds the 5% to 7% 12-month prevalence of major depressive disorder in the general population.2-4