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29.10.2018 | Ausgabe 2/2019

The journal of nutrition, health & aging 2/2019

Self-Feeding Ability as a Predictor of Mortality Japanese Nursing Home Residents: A Two-Year Longitudinal Study

The journal of nutrition, health & aging > Ausgabe 2/2019
M. Sakamoto, Yutaka Watanabe, A. Edahiro, K. Motokawa, M. Shirobe, H. Hirano, K. Ito, Y. Kanehisa, R. Yamada, A. Yoshihara



To examine the ability of different elements of the Self-Feeding Assessment Tool for Elderly with Dementia (SFED) to predict mortality risk in nursing home residents.

Design and Setting

Data from 387 residents in five nursing homes for the elderly in Japan were obtained using a baseline survey. This measure’s ability to predict mortality risk was examined over a two-year observation period.

Participants and Measurement

Demographic information (sex, age, height, weight, medical history) on 387 initial participants was gathered. A total of 10 individuals were excluded from the analysis because of the inability to eat by mouth at baseline, while 36 were excluded owing to missing mortality data during the observation period. The resulting 341 residents were divided into a death group or survival group according to whether they were still alive after two-year observation period. In addition to basic information and the SFED, the baseline survey included the Barthel Index (BI), Clinical Dementia Rating (CDR), and Mini Nutritional Assessment-Short Form (MNA®-SF). The ability of SFED to predict time-to-event mortality was examined using Cox proportional hazards regression analysis, including other measures associated with mortality as confounding variables.


In total, 129 participants (37.8%) died during the observation period, and their mean SFED score was significantly lower than that of surviving ones (11.1 ± 6.7 vs. 15.0 ± 5.6, P<0.001). SFED score was significantly associated with two-year mortality in the Cox proportional hazards regression analysis after adjusting for sex, age, medical history, BI, CDR, and MNA®-SF (hazard ratio = 0.941, 95% confidence interval = 0.898–0.985, P = 0.010). Additionally, three SFED categories were significantly associated with mortality risk: movement (“able to eat without dropping food”), concentration (“able to maintain attention to meal”), and safety (“able to swallow without choking, with no change in vocal quality after eating”).


Self-feeding ability as measured by SFED score was associated with long-term mortality in elderly living in nursing homes. Accordingly, adjusting feeding assistance based on regular SFED-based assessments may help maintain self-feeding ability and enhance quality of life in this population, as well as providing evidence for end-of-life care options and greatly improving care quality.

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