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Journal of Applied Gerontology
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Nutrition Service Availability: An Interaction Potential Model

Judith W. Meyer

University of Connecticut

Ellen K. Cromley

University of Connecticut

Availability, defined as a measure of the supply of services relative to the needs in the community, is critical to older people, particularly the socially isolated and frail elderly who are less mobile than most of the population. This research proposes an interaction potential model to examine variation in availability of services by considering the capacity and location of service providers and demand for these services. The model does not constrain older people to meet their demand within their towns' borders. Several measures of availability are calculated for nutrition services in an area agency on aging region of Connecticut, using different beta values to represent varying levels of mobility for the total older population; considerable variation exists, depending on mobility assumptions. Availability measures can be used as independent variables in analyses of variation in actual use of services; a strong correlation exists between use and availability in Connecticut.

Journal of Applied Gerontology, Vol. 10, No. 4, 431-443 (1991)
DOI: 10.1177/073346489101000405
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B. A. Hirshorn and J. E. Stewart
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Journal of Applied Gerontology, February 1, 2003; 22(1): 134 - 151.
[Abstract] [PDF]