The overall objective of this project is to investigate the factors that define, determine, and predict the state of health and social well-being of elderly populations in the U.S. and Australia. Major domains of concern involve the effects of chronic degenerative diseases, including chronic non-life threatening conditions, functional impairment of older persons, as mediated by sociodemographic, environmental, lifestyle and health care assistant factors. Both within and between country differences and similarities in the U.S. and Australia will be investigated. The project involves the collaboration of the Duke University Center for Demographic Studies as the primary investigators and the Center for Ageing Studies, Flinders University of South Australia, as sub-Contractors. The cross-national analyses will draw upon relevant data from large, multi-dimensional longitudinal investigations conducted or under way in the U.S. (including the NHANES, NLTCS, Duke I and II longitudinal, the Yale University - New Haven EPESE and SOA-LSOA) and a new longitudinal, integrated study in Adelaide, Australia and entails multi-round household surveys, clinical examinations and linked records on a population-based, age and sex stratified sample of persons 60 years and older. Analyses of data will primarily utilize advanced multivariate history procedures (the grade of membership model) developed by the investigators at the Center for Demographic Studies for examining longitudinal multi-dimensional aging processes. The grade of membership model will permit cross study analyses to be conducted on relevant topics in the U.S. studies and cross national comparative investigations of the U.S. and Australian data.
| Ekström, Magnus; Johnson, Miriam J; Taylor, Bridget et al. (2018) Breathlessness and sexual activity in older adults: the Australian Longitudinal Study of Ageing. NPJ Prim Care Respir Med 28:20 |
| Nobbs, Harriet M; Yaxley, Alison; Thomas, Jolene et al. (2016) Do dietary patterns in older age influence the development of cancer and cardiovascular disease: A longitudinal study of ageing. Clin Nutr 35:528-535 |
| Luszcz, Mary A; Giles, Lynne C; Anstey, Kaarin J et al. (2016) Cohort Profile: The Australian Longitudinal Study of Ageing (ALSA). Int J Epidemiol 45:1054-1063 |
| Widagdo, I S; Pratt, N; Russell, M et al. (2016) Construct Validity of Four Frailty Measures in an Older Australian Population: A Rasch Analysis. J Frailty Aging 5:78-81 |
| Widagdo, Imaina; Pratt, Nicole; Russell, Mary et al. (2015) How common is frailty in older Australians? Australas J Ageing 34:247-51 |
| Windsor, Tim D; Curtis, Rachel G; Luszcz, Mary A (2015) Sense of purpose as a psychological resource for aging well. Dev Psychol 51:975-86 |
| Windsor, Tim D; Gerstorf, Denis; Luszcz, Mary A (2015) Social resource correlates of levels and time-to-death-related changes in late-life affect. Psychol Aging 30:136-48 |
| Widagdo, Imaina S; Pratt, Nicole; Russell, Mary et al. (2015) Predictive performance of four frailty measures in an older Australian population. Age Ageing 44:967-72 |
| Luszcz, Mary A; Anstey, Kaarin J; Ghisletta, Paolo (2015) Subjective Beliefs, Memory and Functional Health: Change and Associations over 12 Years in the Australian Longitudinal Study of Ageing. Gerontology 61:241-50 |
| Sargent-Cox, Kerry A; Anstey, Kaarin J; Luszcz, Mary A (2014) Longitudinal change of self-perceptions of aging and mortality. J Gerontol B Psychol Sci Soc Sci 69:168-73 |
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