Successful ageing from old to very old: a longitudinal study of 12,432 women from Australia.

OBJECTIVES: We examined the development of disease and disability in a large cohort of older women, the extent to which these conditions exempt them from being classified as successful agers and different trajectories of disease, disability and longevity across women's later life. METHODS: We used survey data from 12,432 participants of the 1921-26 birth cohort of the Australian Longitudinal Study of Women's Health from 1996 (age 70-75) to 2016 (age 90-95). Repeated measures latent class analysis (RMLCA) identified trajectories of the development of disease with or without disability and according to longevity. Bivariate analyses and multivariable multinomial logistic regression models were used to examine the association between participants' baseline characteristics and membership of the latent classes. RESULTS: Over one-third of women could be considered to be successful agers when in their early 70s, few women could still be classified in this category throughout their later life or by the end of the study when they were in their 90s (~1%). RMLCA identified six trajectory groups including managed agers long survivors (9.0%) with disease but little disability, usual agers long survivors (14.9%) with disease and disability, usual agers (26.6%) and early mortality (25.7%). A small group of women having no major disease or disability well into their 80s were identified as successful agers (5.5%). A final group, missing surveys (18.3%), had a high rate of non-death attrition. Groups were differentiated by a number of social and health factors including marital status, education, smoking, body mass index, exercise and social support. CONCLUSIONS: The study shows different trajectories of disease and disability in a cohort of ageing women, over time and through to very old ages. While some women continue into very old age with no disease or disability, many more women live long with disease but little disability, remaining independent beyond their capacity to be classified as successful agers.

Learning health systems to implement chronic disease prevention programs: A novel framework and perspectives from an Australian health service.

Background: Chronic diseases are a considerable burden to health systems, communities, and patients. Much of this burden, however, could be prevented if interventions effective in reducing chronic disease risks were routinely implemented. Aims: The aim of this paper is to discuss the role of public health agencies in preventing chronic disease through the application of learning health system (LHS) approaches to improve the implementation of evidence-based interventions. Materials and Methods: We draw on the literature and our experience operating a local LHS in Australia that has achieved rapid improvements in the implementation of chronic disease prevention interventions. Results: The proposed LHS framework has been adapted to be both implementation and chronic disease prevention focused. The framework describes both broad improvement processes, and the infrastructure and other support (pillars) recommended to support its core functions. Conclusion: The framework serves as a basis for further exploration of the potentially transformative role LHS's may have in addressing the chronic disease health crisis.

Changes in the food and drink consumption patterns of Australian women during the COVID-19 pandemic.

OBJECTIVE: This paper uses data from the seventh fortnightly Coronavirus (COVID-19) Survey sent to women in the Australian Longitudinal Study on Women's Health to investigate the relationship between the COVID-19 pandemic and the food and drink consumption of women born in 1946-51, 1973-78 and 1989-95. METHODS: A survey about changes in fruit, vegetable, discretionary food, takeaway and sugary drink consumption during the pandemic was emailed on 22 July 2020 to 28,709 women in three cohorts of the Australian Longitudinal Study on Women's Health. Thematic qualitative analysis was conducted on comments about changes in consumption, and basic quantitative analysis was included for context. RESULTS: There were significant associations between age and all categories of food and drink consumption. Women wrote of lifestyle changes and choices during lockdowns, comfort and emotional eating, and access to food and drink changing their consumption behaviours. CONCLUSIONS: The COVID-19 pandemic and interventions had both positive and negative impacts on the food and drink consumption behaviours of Australian women. IMPLICATIONS FOR PUBLIC HEALTH: These findings can be used to directly influence practice around healthy food and drink consumption, highlighting enablers, including being at home, and barriers, including mental health, that should be considered.

The Impact of Education and Lifestyle Factors on Disability-Free Life Expectancy From Mid-Life to Older Age: A Multi-Cohort Study.

Objectives: Low education and unhealthy lifestyle factors such as obesity, smoking, and no exercise are modifiable risk factors for disability and premature mortality. We aimed to estimate the individual and joint impact of these factors on disability-free life expectancy (DFLE) and total life expectancy (TLE). Methods: Data (n = 22,304) were from two birth cohorts (1921-26 and 1946-51) of the Australian Longitudinal Study on Women's Health and linked National Death Index between 1996 and 2016. Discrete-time multi-state Markov models were used to assess the impact on DFLE and TLE. Results: Compared to the most favourable combination of education and lifestyle factors, the least favourable combination (low education, obesity, current/past smoker, and no exercise) was associated with a loss of 5.0 years TLE, 95% confidence interval (95%CI): 3.2-6.8 and 6.4 years DFLE (95%CI: 4.8-7.8) at age 70 in the 1921-26 cohort. Corresponding losses in the 1946-51 cohort almost doubled (TLE: 11.0 years and DFLE: 13.0 years). Conclusion: Individual or co-ocurrance of lifestyle risk factors were associated with a significant loss of DFLE, with a greater loss in low-educated women and those in the 1946-51 cohort.

Onset and progression of chronic disease and disability in a large cohort of older Australian women.

OBJECTIVE: To estimate the probability of onset and progression of disease and disability, length of life with or without disease and/or disability, and incidence of mortality, and to identify factors associated with transitioning to disease and/or disability over time. STUDY DESIGN: A prospective cohort study. Data were provided by 12,432 participants (born 1921-26) of the Australian Longitudinal Study of Women's Health linked with National Death Index data from 1996 (age: 70-75) to 2016 (age: 90-95). MAIN OUTCOME MEASURES: A five-state Markov model was fitted to estimate the transition probability, length of life with or without disease and/or disability, and the association between baseline characteristics and disease/disability/mortality risk. RESULTS: Over two-thirds of women had died by age 90-95, and only 3.8% of these had died with no chronic disease and disability. Those reporting chronic disease were more likely to have experienced disability (Transition Rate Ratio: 2•72, 95%CI= 2•52-2•93) than those who died without disability. At age 70-75, the expected life without chronic disease and disability was 7•68 (95%CI: 7•52-7•80) years, life with chronic disease but no disability was 4•39 (95%CI=4•23-4•49) years, and life with disability was 3.76 (95%CI=3•66-3•92) years. The factors difficulties managing on available income (HR=1•18, 95%CI=1•02-1•38), did not complete secondary school (HR=1•19, 95%CI=1•03-1•37), and overweight/obese (HR=1•36, 95%CI=1•20-1•55) were associated with an increased risk of disability. CONCLUSIONS: Our findings provide important insights on the onset and progression of disease and disability in older women, underscoring the importance of addressing mid-/early old-life risk factors, managing chronic conditions, and delaying disability onset and progression through targeted intervention programs.

Housing and Care for Older Women in Australia.

Background: Housing is essential for healthy ageing, being a source of shelter, purpose, and identity. As people age, and with diminishing physical and mental capacity, they become increasingly dependent on external supports from others and from their environment. In this paper we look at changes in housing across later life, with a focus on the relationship between housing and women's care needs. Methods: Data from 12,432 women in the 1921-26 cohort of the Australian Longitudinal Study on Women's Health were used to examine the interaction between housing and aged care service use across later life. Results: We found that there were no differences in access to home and community care according to housing type, but women living in an apartment and those in a retirement village/hostel were more likely to have an aged care assessment and had a faster rate of admission to institutional residential aged care than women living in a house. The odds of having an aged care assessment were also higher if women were older at baseline, required help with daily activities, reported a fall, were admitted to hospital in the last 12 months, had been diagnosed or treated for a stroke in the last 3 years, or had multiple comorbidities. On average, women received few services in the 24 months prior to admission to institutional residential aged care, indicating a potential need to improve the reach of these services. Discussion: We find that coincident with changes in functional capacities and abilities, women make changes to their housing, sometimes moving from a house to an apartment, or to a village. For some, increasing needs in later life are associated with the need to move from the community into institutional residential aged care. However, before moving into care, many women will use community services and these may in turn delay the need to leave their homes and move to an institutional setting. We identify a need to increase the use of community services to delay the admission to institutional residential aged care.