References
- U.S. Bureau of the Census. Population Projections of the United States by Age, Sex, Race, and Origin: 1995 to 2050. Current Population Reports, P25–1130. U.S. Government Printing Office, Washington, DC 1996
- Fincham J E. Medication compliance and the elderly. J Pharmacoepidemiol 1995; 4(2)7
- Mannino D M, Homa D M, Petrowski C A, Ashizawa A, Nixon L L, Johnson C A, Ball L B, Jack E, Kang D S. Surveillance for asthma—United States, 1960–1995. MMWR CDC Surveill Summ 1998; 47(1)1
- Broder I, Higgins M W, Matthews K P, Keler J B. Epidemiology of asthma and allergic rhinitis in a total community, Tecumseh, MI: HI. Second survey of community. J Allergy Clin Immunol 1974; 53: 127
- Dodge R, Burrows B. The prevalence and incidence of asthma and asthma like symptoms in a general population sample. Am Rev Respir Dis 1980; 122: 567
- Gruenberg L, Tompkins C, Porell F. The health status and utilization patterns of the elderly: Implications for setting Medicare payments to HMOs. Adv Health Econ Health Serv Res 1989; 30: 41
- Beebe J, Lubitz J, Eggers P. Using prior utilization to determine payments of Medicare enrollees in health maintenance organizations. Health Care Finan Rev 1985; 6: 27
- Boult C, Dowd B, McCaffrey D, Boult L, Hernandez R, Krulewitch H. Screening elders for risk of hospital admission. J Am Geriatr Soc 1993; 41: 811
- Hornbrook M C, Goodman M J. Chronic disease, functional health status and demographics: A multidimensional approach to risk adjustment. Health Services Res 1996; 31(3)283
- Hornbrook M C, Goodman M J. Assessing relative health plan risk with the Rand-36 health survey. Inquiry 1995; 32: 56
- Enright P L, McClelland R L, Newman A B, Gottlieb D J, Lebowitz M D. Underdiagnosis and undertreatment of asthma in the elderly. Chest 1999; 116: 603
- Greene W H. Econometric Analysis, 3rd ed. Prentice Hall, Englewood Cliffs, NJ 1994
- Kennedy P. Estimation with correctly interpreted dummy variables in semilogarithmic equations. Am Economic Rev 1981; 71(4)801
- Halverson R, Palmquist R. The Interpretation of dummy variables in semilogarithmic equations. Am Economic Rev 1980; 70(3)474
- International Consensus Report on Diagnosis and Treatment of Asthma. Eur Respir J 1992; 5: 601