Classification of the trajectory of changes in food intake in special nursing home for oldest-old in the 6 months before death: A secondary analysis

Sakiko Fukui, Kasumi Ikuta, Tatsuhiko Anzai and Kunihiko Takahashi

PLOS ONE, 2025, vol. 20, issue 4, 1-12

Abstract: Background: For the oldest-old residents around their 90s living in facilities, quality end-of-life care is crucial. While an association between reduced food intake and death is known, specific patterns of intake changes before death are not well-documented. Aims: This study aims to classify food intake changes among residents in Japan’s special nursing homes during the 6 months before death, enabling precision care for each group using routinely recorded data. Methods: Sixty-nine deceased older adults from five special nursing homes were studied over 3.5 years (January 2016 to June 2020). Criteria included: at least six months’ residency before death, ability to eat orally during the study period, and death within the facility. We created a time-series dataset for 69 participants, documenting their average weekly food intake (on a scale of 0-10). Subsequently, we used cluster analysis to identify clusters of change in the average weekly food intake from the 6 months before death. Results: Eligible residents’ mean age was 89.7 ± 6.7 years, and 79.7% were female. Cluster analysis classified 4 clusters of decline in food intake changes during the last 6 months before death: immediate decrease (n = 14); decrease from 1 month before death (n = 24); decrease from 3 months before death (n = 7); and gradual decrease for 6 months before death (n = 24). Conclusion: This study identified four groups of food intake prior to death. Recognizing food intake clusters in practical settings can help manage and provide appropriate end-of-life care in facilities with few medical providers but many care providers.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0319669

DOI: 10.1371/journal.pone.0319669

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