• Kento Noritake, Keisuke Fujii, Yuta Kubo, Kyosuke Yorozuya, Takahiro Hayashi, Fumihiko Goto, Hidehiro Watanabe, Akihiro Yoshida, Yoshihito Tsubouchi, and Daiki Nakashima.
• Faculty of Health Sciences, Nihon Fukushi University, Handa, Japan.
• Nutrition. 2024 Mar 1; 119: 112321112321.

ObjectivesThe aim of this study was to investigate the stronger correlate of appetite-family or friend networks-in community-dwelling older adults, given that undernutrition can impair physical function, increase mortality, and be influenced by social networks.MethodsA cross-sectional study was conducted in Kasugai City, Aichi Prefecture, and Nara City, Nara Prefecture, Japan, between August 2019 and March 2023. The analysis included 119 participants (women: 79%, mean age: 76.5 ± 5.6 y). A multiple regression analysis was performed, using the scores from the Japanese version of the Simplified Nutritional Appetite Questionnaire (SNAQ-J) as the dependent variable and family network and friend network as the independent variables. The analysis included social participation, living alone status, sex, age, body mass index, skeletal muscle mass index, grip strength, walking speed, and the Japanese version of the 15 Geriatric Depression Scale score as covariates to examine their relationship with appetite.ResultsThe mean value of the SNAQ-J score of the participants was 15.4 ± 1.2. Seven participants (6%) had a loss of appetite. Family network was significantly associated with appetite (B = 0.121, β = 0.266, P <0.05; 95% condidence interval [CI], 0.030-0.212). In the single regression analysis, the friend network was significantly associated with the total score of the SNAQ-J (B = 0.115, P <0.001; 95% CI, 0.052-0.177); however, this association was not observed in the multiple regression analysis (B = 0.002, β = 0.006, P = 0.954; 95% CI, -0.074-0.078).ConclusionAppetite was associated with family networks. Among social networks, focusing on family networks may help prevent the loss of appetite in older adults in Japan.Copyright © 2023 Elsevier Inc. All rights reserved.

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