Describes design and implementation issues for this nationally representative telephone survey of nonfederal patient care physicians, which is designed to document changes they are experiencing in the health care system and learn how these changes are affecting them, their practices, and the way...

Reviews the sample and survey design characteristics for this multiyear study and includes figures detailing the 60 study sites, sample components, and weights for each survey. The study includes a household survey, physician survey, and insurer followback survey linked to the household survey.