This study by Mathematic Policy Research was conducted for the Office of Disability, Aging and Long-Term Care Policy (DALTCP) at the Office of the Assistant Secretary for Planning and Evaluation (ASPE) of the federal Department of Health and Human Services (HHS). The researchers used a quasi-experimental study design to analyze the effect of variation in wait times for waiver program services. The study sample includes data for 5,254 non-elderly, community-dwelling adult applicants from 2002 through 2007 for one of Iowa’s three Medicaid waiver programs: Health and Disability (H&D), Physical Disability (PD) and . . .