Abstract
The use of nonphysician providers, such as nurse practitioners, physician assistants, and certified nurse midwives, in rural areas is critically important due to the continued primary care access problems. This study examines the major factors influencing the use of nonphysician providers in rural community and migrant health centers based on a 1991 national survey of the centers. This study demonstrates that the employment of nonphysician providers in rural community and migrant health centers is significantly influenced by both supply and demand factors. Among supply factors, there is a significant and positive relationship between the number of total staff and the number of nonphysician providers employed. There is a significant but inverse relationship between the number of physicians and the number of nonphysician providers employed, indicating nonphysician providers primarily serve as substitutes for physicians in rural community and migrant health centers. The supply of nonphysician providers, as measured by the number of affiliated training programs, is significantly related to the employment of nonphysician providers. The demand variable, geographic location, and the centers' staffing policies are also significant determinants of the use of nonphysician providers.
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