“…Selecting a Representative Sample. Because rurality is generally associated with geographic isolation, small population, and sparse settlement (Hewitt, 1989), investigators in the United States often define their rural target populations with reference to criteria such as those applied by the Bureau of the Census when defining rural communities (e.g., towns with fewer than 2,500 residents) or those used by the Office of Management and Budget (i.e., not included in any metropolitan statistical area) (Damiano, Momany, Foster, & McLeran, 1994;Hewitt, 1989). However, many of the factors discussed above as having a potential influence on the occurrance, course, and management of dementia (i.e., lower economic status, less formal education, and limited access to medical providers) are aIso among those tending to distinguish rural from urban residents (Bureau of the Census, 1991).…”