The association of eating performance and environmental stimulation among older adults with dementia in nursing homes: A secondary analysis.
Wen Liu, Ying-Ling Jao, Kristine Williams
PMID 28340390WHAT IT FOUND
In nursing home mealtimes, stimulation tailored and directly offered to residents was linked to better eating performance.
Each 1-point rise in specificity tracked with 8.78 more points on the 15-to-36 eating score. This is association, not proof of effect.
Key findings
01Each 1-point increase in stimulation specificity was associated with 8.78 higher points on the 15-to-36 eating performance scale.
02Eating performance was lower among residents with older age, more advanced dementia, and higher comorbidity.
03Eating performance was not significantly associated with interaction involvement or environmental feedback.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
Only 36 videos, 15 residents, and 19 nursing assistants were analysed, so the result is from a small sample of available mealtime videos. The videos came from a parent communication study and were short, with some lasting only 18 seconds, so they may not represent whole mealtimes. Videos were excluded if the resident was in the dining room but not eating, which may create selection bias. Three stimulation dimensions had no variation in the sample and were omitted, so the study could not test clarity, strength, or physical accessibility. Raters did not know residents' preferences or routines, so tailored stimulation was judged only from the video context. The study is cross-sectional. It cannot show that stimulation specificity caused better eating performance. All residents were white and had severe dementia on average. This limits generalisability. The model with environmental stimulation did not fit the data significantly better than the model with resident characteristics alone.
The easy way to misread this
Do not conclude that making stimulation more specific will improve eating performance. This was a small analysis of 36 videos and showed associations, not causation.