... physicians is work-ing in fields other than medicine, which may be the result of their dissatisfaction with the structure of the current health care system. The ‘hassle factor’ of prac-tice, rising ... envelope,wasmailedtoarandomsampleof4975outof14113inactive physicians under the age of 65 y ears drawnfrom the Physician Masterfile of the American MedicalAssociation (AMA). The Physician Masterfile is a repo-sitory of ... sarah.brotherton@ama-assn.org2Dept of Data Acquisition Services, American Medical Association, 515 NState St., Chicago, IL 60654, USAFull list of author information is available at the end of the...