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Injurious falls in residential aged care cost $2494 per incident with an inverted U-shaped BMI relationshipHigh Costs and BMI Factors Linked to Falls in Aged Care

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Key Takeaway
Note the high cost of injurious falls and the inverted U-shaped relationship between BMI and falls risk in aged care.

This cohort analysis analyzed data from a randomized controlled trial involving 303 residents aged 65 years or older in Australian residential aged care (RAC) facilities. The study focused on the economic and clinical factors associated with fall-related injuries.

Analysis of the primary outcome revealed that the cost of an injurious fall per incident was $2494 (SD=$6199). The secondary outcome of the cost of falls per resident per annum was calculated at $1798 (SD=$6002). Furthermore, the study estimated the potential cost of injurious falls per annum for the entire Australian RAC system at $325 million. Healthcare spending on fall injury per resident per annum accounted for 20% of the 2021-2022 expenditure per capita.

Regarding risk factors, sex and body mass index (BMI) were associated with fall injury. Specifically, the relationship between BMI and falls risk followed an inverted U-shaped pattern. No specific safety or tolerability data were reported for the cohort.

Limitations include the fact that this is a cohort analysis of RCT data rather than a direct intervention study for the primary cost outcomes. The findings suggest that the high economic burden and the specific BMI risk profile underscore the need for tailored falls prevention strategies in residential aged care settings.

How this fits prior evidence

How this fits prior evidence: This finding addresses a gap in the economic impact of falls in residential aged care settings. While previous coverage highlighted the efficacy of exercise interventions, perturbation-based balance training, and exergaming to reduce fall rates and injuries, this study provides specific cost data and identifies BMI as a risk factor. It complements existing evidence on the clinical management of falls by quantifying the financial burden of these events in the RAC system.

Researchers analyzed data from 303 residents in Australian aged care facilities to understand the impact of falls. They found that each injurious fall costs an average of $2,494. When looking at the broader system, the potential cost of injurious falls in these facilities is estimated at $325 million annually. This spending accounts for about 20% of the average per capita expenditure for healthcare.

The study also looked at what factors are linked to falling and getting injured. They found that a person's sex and body mass index (BMI) are associated with fall injuries. Specifically, the relationship between BMI and fall risk follows an inverted U-shaped pattern.

Because this was a cohort analysis of existing trial data, the results show links rather than direct causes. The findings highlight the high costs and specific risk factors involved in aged care. These results suggest that more tailored prevention strategies may be needed to manage risks and costs for seniors.

What this means for you:
Injurious falls in aged care cost $2,494 per incident, with BMI and sex linked to injury risk.

Common questions

How much does a fall cost in an aged care setting?

The study found that the cost of an injurious fall is $2,494 per incident. On a larger scale, the potential cost of injurious falls in the Australian aged care system is estimated at $325 million per year.

What physical factors are linked to fall injuries?

The study found that sex and body mass index (BMI) are associated with fall injuries. Specifically, the data showed an inverted U-shaped relationship between a person's BMI and their risk of falling.

How much of the healthcare budget goes toward fall injuries?

The research indicates that healthcare spending on fall injuries per resident per year accounts for approximately 20% of the 2021-2022 expenditure per capita. You should speak with a healthcare provider about specific prevention plans.

Study Details

Study typeRct
EvidenceLevel 2
Follow-up780.0 mo
PublishedSep 2026
View Original Abstract ↓
BACKGROUND: Given that fall injury is a critical public health concern in Australia, understanding the economic implications of falls among older adults is crucial to allocating healthcare resources efficiently to reduce falls and improve quality of life. This study therefore aimed to estimate the cost and identify factors associated with fall-related injuries within residential aged care (RAC). METHODS: A cohort analysis from the healthcare system perspective based on data from a double-blinded randomised controlled trial-the Opti-Med trial. The trial participants were 303 people aged ≥65 years. Identification of in-scope data from the trial dataset was achieved using the falls description note and the National Hospital Cost Data Collection diagnostic related group classification system. Data analyses were performed using STATA V.17. All costs were adjusted to 2022 Australian dollars. RESULTS: On average, the cost of an injurious fall per incident was $2494 (SD=$6199), while the average cost of falls per resident annum was $1798 (SD=$6002). The potential cost of injurious falls per annum in Australia's RAC system was $325 million. Sex and body mass index (BMI) were identified factors associated with fall injury. There was an inverted U-shaped relationship between BMI and falls risk in RAC. CONCLUSIONS: The healthcare spending on fall injury per resident annum in RAC represents 20% of the 2021-2022 healthcare expenditure per capita. The high cost and inverted U-shaped relationship between BMI and falls risk underscores the need for more effective and RAC-tailored falls prevention strategies in this setting. TRIAL REGISTRATION NUMBERS: Australian New Zealand Clinical Trial Registry (ACTRN12613001204730); WHO Universal Trial (U1111-1148-6094).
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