Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Construction and Validation of a Health-related Quality of Life (HR-QOL) Instrument for Patients With Primary Antibody Deficiency Disease
Brief Summary: This research is being done to construct a survey questionnaire, a quality of life tool, to determine the health, well-being, ability to perform daily activities, and physical, social and emotional functioning in participants with primary immunodeficiency disorders (PIDD). This quality of life (QOL) tool will help physicians understand the effects of PIDD on a person's health. These quality of life surveys are important tools for physicians to measure outcomes for satisfaction and effects of treatment.