The Kaiser Health Tracking Poll was designed and analyzed by public opinion researchers at the Kaiser Family Foundation led by Mollyann Brodie, Ph.D. The survey was conducted August 16 through August 22 with a nationally representative random sample of 1,203 adults aged 18 and older, including 1,066 adults who said they are registered to vote. Telephone interviews conducted by landline (801) and cell phone (402, including 158 who had no landline telephone) were carried out in English and Spanish.