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Developing a population wide cost estimating framework and methods for technological intervention enabling ageing in place: An Australian case
journal contributionposted on 2019-11-11, 00:00 authored by Azad RahmanAzad Rahman, Delwar AkbarDelwar Akbar, John RolfeJohn Rolfe, Julie NguyenJulie Nguyen
Purpose: Ageing in place is one of the greatest desires of elderly people. Assistive digital technologies could potentially delay the institutionalization of the elderly people and allow them ageing in place. This study develops a population wide cost estimating framework for adopting digital technologies that can improve the quality of life of elderly people through examining an Australian region. Methods: We developed a five-stage cost estimating framework, which comprised of progressive forecasting of elderly population and direct cost estimation methods. The forecasting and cost estimation models have been set for a 10-year period because the prediction accuracy from cross-sectional data is better in the short to medium term compared to long-term. For cost estimation, we categorised the ageing population on the basis of the number of chronic diseases that they have contracted. Costs of assistive technologies were collected from open sources. The model has been tested in the Fitzroy and Central West, a regional area of Queensland in Australia. A stakeholder panel discussion in a workshop format was used to validate the appropriateness of the proposed framework and the study findings. Results: This study identified eight common chronic diseases with different comorbidity patterns in Australia. We also identified the required assistive technologies to assist patients with chronic diseases. This study estimated that annual per capita cost for technological intervention could range from AUD 4,169 to AUD 7,551 on the basis of different price margins of the technologies. Conclusion: The approach of categorising the aged cohorts on the basis of the number of chronic diseases helps estimate population wise costs compared to single technology intervention cost for a particular chronic disease cohort. The cost estimation framework and the method developed in this study can assist the government to estimate cost and public fund allocations for elderly people who like to stay in their own home.