
Clinical populations have long been a fertile source of subjects for epidemiologists. Persons seeking medical care are a self-selected group that generally has higher morbidity rates than the general population. Thus, canvassing emergency rooms, HMOs, and other clinical settings allows researchers to assemble cohorts in less time and at less expense than would be needed for traditional, household recruiting. One particular clinical population, primary care patients, is a perennial favorite for epidemiologists and clinical investigators. Pasternak and Fleming (1999) sought point prevalences of problem gambling and comorbid pathologies from this population. Between November, 1997 and April, 1998, the authors studied... Read more →