Identifying Effective Health Care Services for Adults with Disabilities Choosing Wisely: Why Study Designs and Outcome Measures Matter

Adults with disabilities have diverse, complex, and expensive needs for health care services, costing the health care system $398 billion in 2006. This group, which represented 14 percent of the adult population in 2008, will grow larger in the future. This report discusses study designs and outcome measures that can be used to address different comparative research questions. Policymakers, practitioners, and the public need a better understanding of what works for study designs.