並列タイトル等Associations of Eating Out and Dietary Diversity with Mild Cognitive Impairment among Community-Dwelling Older Adults
一般注記博士論文全文, 博士論文要旨, 最終試験結果の要旨, 論文審査の要旨
BackgroundDementia is a critical late-life health issue that occurs among members of aging societies. This study examined the relationships between eating out, dietary diversity, and mild cognitive impairment (MCI) among community-dwelling older adults.MethodsWe analyzed data from 597 older adults (median age 73.0 years, interquartile range 69.0–78.0 years; 62.6% females). We applied the food frequency score to evaluate diet variety and the weekly consumption frequencies of ten food items were determined. The National Center for Geriatrics and Gerontology Functional Assessment Tool (NCGG-FAT) was used to evaluate MCI. Finally, we asked the participants how often they ate out each month; those who replied "none" were categorized into the "non-eating out" group.ResultsThe overall prevalence of MCI was 122 (20.4%), with a higher prevalence in the low dietary diversity group than in the high dietary diversity group (28.6% vs. 18.6%). After adjusting for covariates, the participants who self-described as not eating out were independently associated with low dietary diversity (odds ratio [OR]=1.97, 95% confidence interval [CI] 1.20–3.20), while low dietary diversity was associated with MCI (OR=1.72; 95% CI 1.02–2.87). Structural equation models revealed that not eating out had no direct effect on MCI but was associated with MCI via low dietary diversity (root mean square error of approximation=0.030, goodness-of-fit index=0.999, and adjusted goodness-of-fit index=0.984).ConclusionsAlthough non-eating out may not have a direct effect on MCI, an indirect relationship may exist between eating-out habits and MCI via dietary diversity status.
Yuto Kiuchi, Hyuma Makizako, Yuki Nakai, Yoshiaki Taniguchi, Shoma Akaida, Mana Tateishi, Mika Kimura, Toshihiro Takenaka, Takuro Kubozono, Kota Tsutsumimoto, Hiroyuki Shimada, Mitsuru OhishiAssociations of Eating Out and Dietary Diversity with Mild Cognitive Impairment among Community-Dwelling Older AdultsAnnals of Geriatric Medicine and Research 2024;28(3):266-272.https://doi.org/10.4235/agmr.23.0218
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