Underutilization of the AIDS Drug Assistance Program: Associated Factors and Policy Implications

Background. The AIDS Drug Assistance Program (ADAP) provides antiretroviral medications to low‐income individuals with HIV infection. Methods. A prospective cohort study of ADAP utilization, measured using medication possession ratio (MPR), was conducted during the 2008 calendar year at the University of Alabama at Birmingham 1917 HIV Clinic. Multivariable ordinal logistic regression evaluated factors associated with ADAP utilization. Results. Among 245 patients, MPR quartiles (Q) were the following: Q193 percent. In ordinal logistic regression, younger age (OR=0.59 per 10 years; 95 percent CI=0.44–0.79), nonwhite males (2.18; 1.18–4.04), lower CD4 count (2.79 for