The purpose of this project is to investigate the development course of health and health behavior among elderly Americans. Framed by the conceptual perspective of the behavioral model of health services utilization, the five specific goals of the study are to: (1) estimate, cross-sectionally, the interrelationships hypothesized in the behavioral model among demographic characteristics, social structural factors, health beliefs, family and community resources, perceived and evaluated health status, and the use of various types of health services; (2) examine, longitudinally, the causal sequences involved in the interrelationships described in objective 1 using 2-, 3-, and 4-wave models; (3) assess the consistency of the elderly's health and health behavior over time; (4) explore the causal relationships among the various measures of health services utilization themselves; and, (5) develop, separately, predictive models of the risk for institutionalization and death, using the factors listed in objective 1 as predictive variables. Data will be taken from the Longitudinal Study on Aging, which includes detailed baseline interviews on a national probability sample of 5,151 individuals aged 70 or over in 1984, who have been re-interviewed in 1986 and 1988, and are scheduled for re- interview again in 1990. In addition, this interview data has been matched and linked on an annual basis to the National Death Index and Medicare Part A files, for the years 1984 through 1990. Analytic techniques will include multiple regression, change score regression, linear panel analysis. LISREL, and event history analyses.

National Institute of Health (NIH)
National Institute on Aging (NIA)
Method to Extend Research in Time (MERIT) Award (R37)
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Human Development and Aging Subcommittee 3 (HUD)
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Indiana University-Purdue University at Indianapolis
Schools of Medicine
United States
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Wolinsky, Fredric D; Krygiel, Julie; Wyrwich, Kathleen W (2002) Hospitalization for prostate cancer among the older men in the longitudinal study on aging, 1984-1991. J Gerontol A Biol Sci Med Sci 57:M115-21
Wyrwich, Kathleen W; Tierney, William M; Wolinsky, Fredric D (2002) Using the standard error of measurement to identify important changes on the Asthma Quality of Life Questionnaire. Qual Life Res 11:1-7
Wyrwich, K W; Wolinsky, F D (2000) Physical activity, disability, and the risk of hospitalization for breast cancer among older women. J Gerontol A Biol Sci Med Sci 55:M418-21
Wolinsky, F D; Armbrecht, E S; Wyrwich, K W (2000) Rethinking functional limitation pathways. Gerontologist 40:137-46
Wyrwich, K W; Wolinsky, F D (2000) Identifying meaningful intra-individual change standards for health-related quality of life measures. J Eval Clin Pract 6:39-49
Wolinsky, F D; Wyrwich, K W; Gurney, J G (1999) Gender differences in the sequelae of hospitalization for acute myocardial infarction among older adults. J Am Geriatr Soc 47:151-8
Wyrwich, K W; Nienaber, N A; Tierney, W M et al. (1999) Linking clinical relevance and statistical significance in evaluating intra-individual changes in health-related quality of life. Med Care 37:469-78
Wyrwich, K W; Tierney, W M; Wolinsky, F D (1999) Further evidence supporting an SEM-based criterion for identifying meaningful intra-individual changes in health-related quality of life. J Clin Epidemiol 52:861-73
Wolinsky, F D; Wyrwich, K W; Jung, S C et al. (1999) The risk of hospitalization for acute myocardial infarction among older adults. J Gerontol A Biol Sci Med Sci 54:M254-61
Clark, D O; Stump, T E; Wolinsky, F D (1998) Predictors of onset of and recovery from mobility difficulty among adults aged 51-61 years. Am J Epidemiol 148:63-71

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