Standing Exercises and Protein Drinks Reduced Care Hours for Nursing Home Residents with Dementia

Nursing home residents face a compound risk that worsens with time: muscle weakness, malnutrition, and frailty accumulate, reducing independence and increasing how much staff care each resident requires. For residents with dementia, functional decline can proceed faster, and the consequences for both quality of life and care burden are substantial. Whether a simple, low-technology intervention could reverse any of this trajectory has been the subject of the OPEN study conducted by researchers affiliated with Karolinska Institutet and Stockholms Sjukhem.

Previous analyses from the OPEN program established that a 12-week regimen combining daily standing exercises with one to two protein-enriched nutritional drinks improved physical function, muscle mass, and nutritional status. The new analysis, published in Alzheimer's and Dementia, asks a different question: did those physical improvements translate into reduced need for staff support in daily activities?

The Intervention and the 102 Participants

The study enrolled 102 residents from eight nursing homes in the Stockholm area. The intervention group performed standing exercises multiple times daily throughout the 12-week period and consumed one to two protein-rich drinks per day. The control group continued with standard care. Researchers monitored care needs across functional domains including personal hygiene, dressing, and mobility - the basic activities of daily living where declining physical capacity most directly translates into staff time.

When the researchers analyzed outcomes across all 102 residents together, no significant difference emerged between the intervention and control groups in overall care time. At first glance, the physical improvements documented in prior OPEN analyses did not appear to reduce care burden at the facility level.

A Different Pattern in Dementia Wards

Disaggregating the data by ward type changed the picture. Among residents living in dementia-specific wards, those who completed the intervention showed measurably reduced care time requirements compared to the control group at their facilities. Residents in general care wards did not show the same effect.

The researchers propose a possible explanation: people in dementia wards may have begun the program at a physical function level where improvement was achievable - below their maximum capacity but not yet past the point of no return. If general care ward residents were either already more functionally capable (and thus gained less from the intervention) or more severely compromised in ways that precluded functional gain translating into independence, the differential response by ward type would make sense.

Anders Wimo, a researcher at the Department of Neurobiology, Care Sciences and Society at Karolinska Institutet, offered this framing: "One possible explanation is that people in dementia units had better physical conditions for improving their functional ability and were therefore able to do more things themselves after the intervention."

A Secondary Analysis With Important Caveats

The researchers are direct about the limitations of the current findings. This analysis was secondary and retrospective - care time was not the primary outcome around which the original OPEN study was powered and designed. Secondary analyses of clinical trial data can identify signals worth investigating but cannot provide the same level of evidence as a trial specifically designed to test the hypothesis of interest.

Organizational factors that were not systematically measured in the original OPEN study could have influenced care time outcomes. Staffing levels, shift patterns, and individual staff practices vary across nursing homes and can affect measured care time independently of any change in residents' functional capacity. Without controlling for these factors, attributing differences in care time to the intervention requires caution.

Wimo was explicit: "More studies are needed where care time is a primary outcome and where organizational factors, such as staffing levels and work routines, are closely monitored."

Costs, Simplicity, and the Case for Further Study

The intervention's practical appeal lies in its simplicity. Standing exercises require no equipment, can be performed multiple times daily with brief supervision, and are feasible even for residents with moderate mobility limitations. Protein drinks are commercially available and straightforward to administer. If a properly powered trial confirms that the intervention reduces care time in dementia settings, the cost-effectiveness case for implementation could be substantial - both because of reduced staffing requirements and because maintaining functional independence in dementia improves quality of life in ways that are difficult to quantify but widely recognized.

The study was conducted by an interprofessional research group at Karolinska Institutet and Stockholms Sjukhem. Funding came from the Gamla Tjanarinnor Foundation and Danone Nutricia Research. Danone Nutricia Research provided the nutritional drinks but did not participate in data collection or final analyses. One author holds the copyright to a measurement instrument used in the study; the researchers report no other competing interests.