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Background: Stagnation of social activity due to the COVID-19 pandemic probably reduces motivation to maintain a healthy diet. It is important to report on the dietary changes observed in older adults during a period of restriction on outings and to clarify the relationship between dietary variety and frailty. This one-year follow-up study examined the association between frailty and dietary variety during the COVID-19 pandemic., Methods: Baseline and follow-up surveys were conducted in August 2020 and August 2021, respectively. The follow-up survey was distributed by mail to 1635 community-dwelling older adults aged ≥65 years. Of the 1235 respondents, 1008 respondents who were non-frail at baseline are included in this study. Dietary variety was examined using a dietary variety score developed for older adults. Frailty was assessed using a five-item frailty screening tool. The outcome was frailty incidence., Results: In our sample, 108 subjects developed frailty. A linear regression analysis revealed a significant association between dietary variety score and frailty score (β, -0.032; 95% CI, -0.064 to -0.001; p = 0.046). This association was also significant in Model 1, adjusted for sex and age, (β, -0.051; 95% CI, -0.083 to -0.019; p = 0.002) and in a multivariate analysis that added adjustments for living alone, smoking, alcohol use, BMI, and existing conditions to Model 1 (β, -0.045; 95% CI, -0.078 to -0.012; p = 0.015)., Conclusions: A low dietary variety score was associated with an increased frailty score during the COVID-19 pandemic. The restricted daily routine caused by the COVID-19 pandemic will probably continue to have a long-term effect in terms of reduced dietary variety. Thus, vulnerable populations, such as older adults, might require dietary support.

Background: The coronavirus disease 2019 (COVID-19) has adversely affected social contact and physical activity. This study investigated the correlation between physical activity, social contact, and sedentary time among adults aged 65 years and above during the COVID-19 pandemic., Methods: This study was conducted in N City, H Prefecture, Japan. The authors randomly selected 4,996 adults, aged 65 years and above (mean age 74.1 ± 6.1 years), living in N City, and survey forms were distributed by mail in mid-August 2020. Altogether, 1,925 participants were included in this study. The survey comprised questions concerning the participants' sex, height, weight, age, smoking and drinking habits, living arrangements, social contact assessments, physical activity levels, and sedentary time. Moreover, linear regression analysis was utilized to investigate the associations between the variables., Results: The reported median physical activity was 1272 metabolic equivalent of task-min/week (interquartile range 528-2628), and the reported median sedentary time was 360 min/week (interquartile range 240-600). COVID-19 "somewhat," "quite a lot," or "completely" hindered the frequency of in-person contact with friends among 75.5% of the respondents and hampered the frequency of virtual contact with friends among 38.8% of the respondents. Physical activity was associated significantly with in-person contact indicators: "interaction with friends" (B = -0.111; 95%CI: -0.187, -0.035; p = 0.004) and "social participation" (B = -0.163; 95%CI: -0.248, -0.079; p < 0.001). These associations remained significant for both multivariate analysis Models 1 (sex and age) and 2 (addition of body mass index [BMI], alcohol use, smoking, living alone, and the number of illnesses to Model 1). Additionally, sedentary time was significantly associated with the social contact variable of "interaction with friends" (B = 0.04; 95%CI: 0.016, 0.064; p = 0.001). This association remained significant in both multivariate analysis models., Conclusions: Significant associations were confirmed between reduced social contact, decreased physical activity, and more sedentary behavior among older adults due to COVID-19. Hence, continuous monitoring and support for social activities among susceptible older adults in extraordinary circumstances are essential., (© 2022. The Author(s).)

Objectives: To investigate the relationship between diet and frailty in community-dwelling older adults during the period of restriction on outings due to novel coronavirus disease 2019 (COVID-19)., Method: A mail survey targeting adults aged 65 years or older, including questions on sex, age, height, weight, and social participation, was conducted in May 2020. The participants' dietary variety score and frailty score were then calculated., Results: Overall, 322 women aged 65 years or older and who were living in the community were recruited for the study; 253 were finally analyzed. The mean age of the 253 participants was 80.0 ± 6.4 years. The dietary variety score and frailty scores were significantly correlated in the linear regression analysis (β: -0.224, p < .001). In the multivariate regression analysis, these factors remained significantly correlated in Model 1, which was adjusted for age (β: -0.229, p < .001), and Model 2, which was adjusted for age, body mass index, and other confounding factors (β: -0.208, p = .001)., Discussion: Diet was correlated with frailty in older adults living in the community during the period of restriction on outings due to COVID-19., (© The Author 2020. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)