{"title":"Prediction of Skeletal Muscle Mass Measured by Bioelectrical Impedance Analysis in Older Adults Using Anthropometric Data.","authors":"Jun-Hee Kim","doi":"10.1111/ajag.70167","DOIUrl":"10.1111/ajag.70167","url":null,"abstract":"<p><strong>Objective: </strong>Accurate estimation of skeletal muscle mass is a key component in the screening for sarcopenia. Anthropometric parameters provide a non-invasive, cost-effective alternative, yet their predictive capability can be enhanced with machine learning. This study aimed to develop and evaluate machine learning models to predict skeletal muscle mass measured by bioelectrical impedance analysis (BIA) in individuals aged 70 years and older using anthropometric measurements and demographic data.</p><p><strong>Methods: </strong>Anthropometric data from 984 older adults aged 70 years and older were obtained from the 8th Size Korea Human Body Measurement Survey. Data preprocessing included removing missing values, applying Min-Max scaling and selecting relevant features. Machine learning models were developed, optimised using a tuning framework and evaluated through error metrics, residual analysis and feature importance interpretation.</p><p><strong>Results: </strong>Among the machine learning models, XGBoost achieved the highest predictive accuracy (RMSE = 1.29, R<sup>2</sup> = 0.92) while using the fewest predictors (18), demonstrating efficiency and effectiveness. Key features included calf circumference, gender, weight, height and waist circumference. SHapley Additive exPlanations analysis emphasised the dominant role of calf circumference, reinforcing its predictive capability for skeletal muscle mass.</p><p><strong>Conclusions: </strong>This study highlights the potential of machine learning for predicting skeletal muscle mass using non-invasive anthropometric measurements. These findings support the proposed model as a scalable and cost-effective tool for estimating skeletal muscle mass, which is a key quantitative component of sarcopenia screening.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70167"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147790086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Application of Skills Acquired During My Học Mãi Fellowship.","authors":"Thanh Xuan Nguyen","doi":"10.1111/ajag.70168","DOIUrl":"10.1111/ajag.70168","url":null,"abstract":"<p><p>This reflection from a geriatric and palliative care clinician in Vietnam considers how care for older adults can move beyond disease management to support function, quality of life and informed decision-making, informed by a 6-week Học Mai fellowship in Australia. It provided insight into how core geriatric principles are embedded across the continuum of care, from acute to community settings. Key lessons included the role of allied health in multidisciplinary care, the routine assessment of frailty, mobility, cognition, nutrition and sensory function, early integration of advance care planning and stronger linkages between hospital and community-based services. Following the fellowship, selected elements were adapted in Vietnam, including multidisciplinary meetings, routine functional assessment and a locally appropriate advance care planning model, with greater emphasis on continuity of care and family-supported management. These reflections highlight the potential to strengthen the quality of care for older adults in Vietnam through contextually adapted, person-centred approaches, supported by capacity-building experiences that enable locally appropriate innovations.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70168"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147790010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stephen Sweeney, Carlos El-Haddad, Danielle Ní Chróinín
{"title":"Assessing Clinician Prescribing Practices for Prophylaxis and Treatment of Acute Phase Responses Following IV Bisphosphate Infusions for Osteoporosis: A Pilot Survey-Based Study.","authors":"Stephen Sweeney, Carlos El-Haddad, Danielle Ní Chróinín","doi":"10.1111/ajag.70195","DOIUrl":"https://doi.org/10.1111/ajag.70195","url":null,"abstract":"<p><strong>Objective: </strong>There appear to be no definitive guidelines on optimal prevention and management of acute phase responses (APRs) following intravenous bisphosphonates (IVBP) for osteoporosis. Our objective was to identify physician prescribing practices for supplementary therapy aimed at managing APRs and whether these were thought beneficial.</p><p><strong>Methods: </strong>An online survey was distributed to members of key Australian societies for geriatrics, rheumatology and endocrinology (membership n ≈ 2900) with questions assessing if respondents prescribed IVBP, their experience managing APRs including medications used and whether these were beneficial.</p><p><strong>Results: </strong>Seventy-five responses were collected from geriatricians, endocrinologists and rheumatologists, with 68 respondents prescribing IVBP for osteoporosis. Overall, 84% (57/68) of those using IVBP previously managed a post-IVBP APR and 24% (16) reported risk of APR could influence their prescribing. Eighty-eight percent (60) of those using IVBP reported using paracetamol for APR management, whereas 41% (28) used NSAIDs and 53% (36) used corticosteroids. There was considerable variability in reported prescribing plans. Only 50% (30) of clinicians using paracetamol and 42% (11) of those using NSAIDs reported finding these beneficial for APR management, whereas 92% (33) of those using corticosteroids reported observing benefit. Ninety-four per cent (34) of clinicians prescribing corticosteroids did so on a case-by-case basis.</p><p><strong>Conclusions: </strong>Despite limited numbers, the results of this pilot work indicated clinicians used various medications to offset post-IVBP APRs and some reported that they had observed benefit in terms of APR prevention or treatment, supporting the need for further clinical trials to establish which, if any, are associated with improved clinical outcomes.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70195"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148254553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Transitioning to Adult Caregiving and Grandchild Care Are Associated With Mental and Physical Health Outcomes Among Middle-Aged and Older Adults: Longitudinal Evidence From South Africa, 2015-2022.","authors":"Supa Pengpid, Karl Peltzer, André Hajek","doi":"10.1111/ajag.70181","DOIUrl":"10.1111/ajag.70181","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study was to assess the longitudinal association between transitioning to adult caregiving, grandparent childcare and mental health outcomes (depressive symptoms, life satisfaction and cognitive functioning) and physical health outcomes (pain interference) in South Africa from 2015 to 2022.</p><p><strong>Methods: </strong>We used information from three waves of the 'Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa (HAALSI)'. To evaluate within-person changes over time, symmetric and asymmetric linear fixed-effects (FE) regressions were employed and also stratified by sex.</p><p><strong>Results: </strong>Adjusted FE regression analysis found a positive association between the change in grandchild care and beginning to provide grandchild care and depressive symptoms in the total sample and among women. Onset of adult caregiving, change in grandchild care and beginning to provide grandchild care were negatively associated with life satisfaction and positively associated with pain interference, while ceased grandchild care was positively associated with life satisfaction and negatively associated with pain interference. Onset of adult caregiving was negatively associated with cognitive functioning, and change in grandchild care and beginning to provide grandchild care were positively associated with cognitive functioning.</p><p><strong>Conclusions: </strong>Transitions into caregiving-both for grandchildren and adults-are associated with poorer well-being, including higher depressive symptoms (especially among women), lower life satisfaction and greater pain interference, supporting a role-strain perspective. However, initiating or changing grandchild care is linked to better cognitive functioning, suggesting potential stimulation benefits. In contrast, ceasing grandchild care is associated with improved life satisfaction and reduced pain.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70181"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147965680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Association Between Calcium Supplement Use and Cognitive Impairment in Ageing Women: A Longitudinal Analysis.","authors":"Maylis Rabec, Alexis Bourgeais, Jennifer Gautier, Mathieu Corvaisier, Olivier Brière, Cédric Annweiler","doi":"10.1111/ajag.70186","DOIUrl":"10.1111/ajag.70186","url":null,"abstract":"<p><strong>Objective: </strong>Calcium supplementation is widely used in older adults, but its long-term effects on cognitive function remain unclear. This study assessed the association between pharmacological calcium supplementation and cognitive decline over 7 years in cognitively healthy older women.</p><p><strong>Methods: </strong>This prospective cohort study included 227 women (mean age 79.9 ± 3.6 years) from the Toulouse centre of the EPIDOS study. Cognitive function was assessed using the Short Portable Mental Status Questionnaire (SPMSQ) at baseline and after 7 years. Cognitive decline was defined as a decrease of at least one point in SPMSQ score. Calcium supplement use at baseline was recorded. Multivariable logistic regression was used to evaluate the association between supplementation and cognitive decline, adjusted for age, obesity, physical activity, instrumental activities of daily living (iADL) score, education level, dietary calcium and vitamin D intake, number of comorbidities and selected chronic conditions.</p><p><strong>Results: </strong>Cognitive decline occurred in 26% of participants. Calcium supplementation was reported by 12% of patients and was independently associated with an increased risk of cognitive decline (OR = 3.64; 95% CI: 1.47-9.01; p = 0.005). Obesity and comorbidity burden were also significant risk factors.</p><p><strong>Conclusions: </strong>Calcium supplementation was associated with a threefold increased risk of cognitive decline in older women over a 7-year follow-up. These results suggest caution in prescribing calcium supplements and underscore the need for further research on their neurological safety in ageing populations.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70186"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147977448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nicola Franks, Karl McDermott, Karen Carlisle, Sarah Russell, Valda Wallace, Edward Strivens
{"title":"Attitudes, Beliefs and Perceptions of Medication Prescribing for Older First Nations Peoples: A Scoping Review.","authors":"Nicola Franks, Karl McDermott, Karen Carlisle, Sarah Russell, Valda Wallace, Edward Strivens","doi":"10.1111/ajag.70145","DOIUrl":"10.1111/ajag.70145","url":null,"abstract":"<p><strong>Objective: </strong>To explore what is known about the attitudes, beliefs and perceptions of appropriate prescribing from the view of older First Nations Peoples (aged 45 years or older, residing in the community or residential care), substitute decision-makers and health-care professionals working with First Nations Peoples.</p><p><strong>Methods: </strong>The scoping review was conducted in accordance with the JBI methodology for scoping reviews and PRISMA-ScR. Databases and grey literature sources were searched with no limitations from inception until 12 May 2025. Titles and abstracts were screened by two independent reviewers, with full-text assessment for inclusion and data extraction undertaken by two independent reviewers. Study characteristics were described descriptively.</p><p><strong>Results: </strong>Five articles were included for analysis. First Nations Peoples represented included Māori, American Indians and Australian Aboriginal and/or Torres Strait Islander Peoples. Health-care workers represented included Aboriginal Health Workers, general practitioners and nurses. From the older First Nations People's perspective, themes regarding traditional medicine use, lack of medication information provision and concerns about adverse effects were identified. Dominant themes from health-care workers included medication information, compliance to medications and continuity of care.</p><p><strong>Conclusions: </strong>Older First Nations Peoples expressed a desire for more medication information and culturally appropriate care. Included studies indicated most health-care workers supported interventions to increase knowledge and understanding of medications for First Nations Peoples. Unfortunately, paternalistic attitudes remain, which limit the provision of information and prevent a trusted partnership from forming.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70145"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13133590/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147823566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Frances Batchelor, Sue Williams, Debra O'Connor, Briony Dow, Andre Catrice, Wanda Dopierala, Primrose White, Michael Murray, Terence W H Chong, Alison M Hutchinson, Paul Yates, Joanne Tropea, Kwang Lim, Suzanne Aberdeen, Tony Walsh, Sarah O'Leary, Tanya Davison, John Guinane, Lucio Naccarella, Stephanie Than, Adrian Low, Shi-Jynn Yong, Peter Lange, Tracy Comans
{"title":"Ten Years of Innovation: Transforming Research in Ageing Through the Melbourne Ageing Research Collaboration (MARC).","authors":"Frances Batchelor, Sue Williams, Debra O'Connor, Briony Dow, Andre Catrice, Wanda Dopierala, Primrose White, Michael Murray, Terence W H Chong, Alison M Hutchinson, Paul Yates, Joanne Tropea, Kwang Lim, Suzanne Aberdeen, Tony Walsh, Sarah O'Leary, Tanya Davison, John Guinane, Lucio Naccarella, Stephanie Than, Adrian Low, Shi-Jynn Yong, Peter Lange, Tracy Comans","doi":"10.1111/ajag.70193","DOIUrl":"https://doi.org/10.1111/ajag.70193","url":null,"abstract":"<p><p>Established in 2014, the Melbourne Ageing Research Collaboration (MARC) was designed to close evidence-to-practice gaps in care of older people by bringing together consumers, clinicians, policymakers, advocates and researchers in a co-designed program of work. MARC's collaborative model combines bottom-up co-design with top-down systems influences, engaging the diverse membership as active partners in research. MARC has convened cross-sector events, undertaken targeted research, embedded co-production and invested in capacity building through grants, forums and masterclasses. Examples of policy and practice impacts include evaluation of the use of language translation technologies, enabling equitable access to end-of-life care services, and guidelines for implementing technology in home-based aged care. Evaluations have demonstrated strengthened inter-organisational relationships and enhanced knowledge exchange amongst partners. MARC offers a scalable model for collective impact. Its shared agendas, consumer and community-informed approach, co-design, transparent governance and acknowledgement of real-world challenges have contributed to achieving partner organisation goals of improving care and outcomes for older people.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70193"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148240765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Joanna F Hikaka, Tuakana August, Melisa Duque, Ngaire Kerse
{"title":"Planning for Māori Futures: A Scoping Review of Experiences, Priorities and Opportunities for Culturally Informed and Appropriate Aged Care Design.","authors":"Joanna F Hikaka, Tuakana August, Melisa Duque, Ngaire Kerse","doi":"10.1111/ajag.70147","DOIUrl":"10.1111/ajag.70147","url":null,"abstract":"<p><strong>Objectives: </strong>Developing models of aged care that align with Māori aspirations has been identified as a national priority in a recent report by the New Zealand (NZ) Aged Care Commissioner. We aimed to identify key considerations useful for informing Māori aged care and to identify known gaps and proposed solutions, which could be prioritised in health and social service design, delivery and implementation, and for investigation in future research.</p><p><strong>Methods: </strong>We undertook a critical review of peer-reviewed academic and grey literature to identify relevant studies. Studies were grouped into three pre-defined areas: components and values of care models; physical spaces of care; and infrastructures of care.</p><p><strong>Results: </strong>We included 45 articles that focussed on diverse areas including broad experiences of older age, quality of life and well-being, frailty, housing and aged residential care. Findings relating to care models highlighted the aspiration for holistic care models that supported maintaining independence and included meaningful activities. Connection to place and community was important within physical spaces of care and a cross-sectoral approach that allowed for connected and informed decision-making and appropriate resourcing was an important infrastructure consideration.</p><p><strong>Conclusions: </strong>By identifying relevant knowledge relating to models, physical spaces and infrastructures of care, this review provides an evidence base for future health and social service development and identifies gaps in knowledge, which require further research.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70147"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13087849/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147700742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Frailty Related Index of Comorbidities is More Strongly Associated With Length of Stay Than Other Established Measures of Frailty and Function in an Australian Subacute Inpatient Cohort.","authors":"Rupoj Sarbaswa, Jesse Zanker, Wen Kwang Lim","doi":"10.1111/ajag.70177","DOIUrl":"10.1111/ajag.70177","url":null,"abstract":"<p><strong>Objective: </strong>The Frailty Related Index of Comorbidities (FRIC) and Functional Independence Measure (FIM) determine activity-based funding in Australian Geriatric Evaluation and Management (GEM) units. We examined associations between the FRIC, FIM and the Rockwood Clinical Frailty Scale (CFS) with length of stay (LOS) and discharge destination.</p><p><strong>Methods: </strong>A retrospective observational cohort study of all older adults discharged from GEM at an Australian quaternary hospital between October and December 2024 was undertaken. Demographics, the FRIC score, the FIM score and CFS were extracted from medical records. Associations with LOS and discharge to residential aged care (RAC) were examined using Spearman correlation and regression modelling.</p><p><strong>Results: </strong>Among 201 adults (mean age 82.3 ± 7.5 years), the FRIC demonstrated the strongest correlation with LOS (ρ = 0.387, p < 0.001) and was independently associated with LOS. Adults with longer LOS (≥ 18 days) had a higher FRIC score than those discharged earlier (6.2 vs. 3.1, p < 0.001). Each one-point increase in the FRIC score (range 0 to 22.9) was associated with an additional 1.8 days of hospitalisation (p < 0.001). The FIM and CFS were not statistically significantly associated with LOS (p = 0.13 and p = 0.85). Higher FRIC scores were associated with increased likelihood of discharge to RAC (OR 1.15 per point increase, 95% CI 1.08-1.24, p < 0.001).</p><p><strong>Conclusions: </strong>The FRIC demonstrated a stronger association with LOS than FIM and CFS. The FRIC showed potential as a pragmatic marker of frailty and discharge complexity. Further prospective and multi-centre validation is required to explore the role of the FRIC in informing LOS and activity-based funding.</p>","PeriodicalId":55431,"journal":{"name":"Australasian Journal on Ageing","volume":"45 2","pages":"e70177"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13170412/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147935769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}