研究等業績 - 原著論文 - 久米 裕
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Mobilising Cross-Sectoral Collaboration in Creating Age-Friendly Cities: Case Studies from Akita and Manchester
Patty Doran, Sophie Yarker, Tine Buffel, Hisami Satake, Fumito Watanabe, Minoru Kimoto, Ayuto Kodama, Yu Kume, Keiko Suzuki, Sachiko Makabe, Hidetaka Ota
International Journal of Environmental Research and Public Health 22 ( 1 ) 73 2025年01月 [査読有り]
研究論文（学術雑誌） 国際共著
Developing Age-Friendly Cities and Communities (AFCCs) is an increasingly popular policy response to supporting ageing populations. AFCC programmes rely on cross-sectoral collaboration, involving partnerships among diverse stakeholders working across sectors to address shared goals. However, there remains a limited understanding of what mechanisms and strategies drive collaboration among diverse actors within age-friendly cities. To address this gap, this empirical paper draws on examples from a comparative case study across Akita (Japan) and Manchester (UK), two cities with distinct demographic profiles but both with a longstanding commitment to the age-friendly approach. Case studies were created through a range of data collection methods, namely, a review of secondary data sources, semi-structured interviews with key stakeholders, and fieldwork in each city. Key insights from the case studies relating to the mobilisation of cross-sectoral collaboration were categorised into three themes: leadership and influencing, co-production, and place-based working. These mechanisms are not mutually exclusive; collaboration building through co-production and place-based working is essential to deliver age-friendly programmes, but these mechanisms rely on leadership and influence. Therefore, it is recommended that all three mechanisms be used to effectively mobilise cross-sectoral collaborations to collectively create AFCC and support healthy ageing.
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Yu Kume, Ayuto Kodama, Sayaka Arai, Makiko Nagaoka, Akiko Sato, Akira Saito, Hidetaka Ota, Hideaki Ando
Chronobiology International ( Taylor & Francis Group ) 2024年08月 [査読有り]
研究論文（学術雑誌） 国内共著
Our study, conducted between April 2022 and January 2024, was aimed at clarifying components of the rest-activity rhythm (RAR) involved in improvement of social frailty state before or after a 3-month multi-component exercise intervention in the elderly. Participants were recruited from the general population in Akita prefecture, Japan. We administered a four-item social frailty screening questionnaire to classify the severity of social frailty in each participant before and after the 3-month intervention. The RAR parameters were measured on an Actiwatch Spectrum Plus device worn by the subjects for 7 continuous days. As the final sample, 65 participants classified into the improved/maintained group (n = 36) or the deteriorated group (n = 29) according to the change in the social frailty classification after the intervention were included in the analysis. The results of a binomial logistic regression analysis showed significantly higher values of interdaily stability (IS) and usual walking speed at the post-test after the intervention. Based on our findings, we propose that stability of the rest-activity rhythm related to synchronization with external stimuli (such as social effect and physical activity) might have clinical impact on improvement of social frailty state in elderly community-dwellers.
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ウェアラブル・ノンウェアラブルデバイスを活用した生活リズム評価とその応用
久米 裕
リハビリテーション・エンジニアリング ( 一般社団法人 日本リハビリテーション工学協会 ) 39 ( 2 ) 75 - 79 2024年05月 [招待有り]
研究論文（学術雑誌） 単著
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Tatsunori Shimizu, Ayuto Kodama,Yu Kume, Masahiro Iwakura,Katsuya Iijima, Hidetaka Ota
International journal of environmental research and public health ( MDPI ) 21 ( 5 ) 611 2024年05月 [査読有り]
研究論文（学術雑誌） 単著
Background: Frailty leads to vulnerability to stress, impaired daily functioning, and an increased need for care. Frailty is considered reversible, and it is crucial to detect the risk of frailty early and investigate factors that may delay its progression. Objectives: To identify tests that can explain frailty risk and compare the situation of local residents with and without frailty support. Methods: Participants were recruited in two ways: through public advertisements in Akita City (open recruitment group) and through invites from frailty supporters in their immediate communities (community-based group). We examined the differences in frailty risk and oral, motor, and social functions between the two groups and identified factors associated with frailty risk in both groups. Results: The community-based group exhibited a lower risk of frailty than the open recruitment group despite having more older members on average. Additionally, the community-based group demonstrated better social functioning than the open-recruitment group. Furthermore, factors such as oral diadochokinesis (ODK), one-leg stand test (OLS), and grip strength (GS) showed significant association with frailty risk. Conclusion: The ODK, OLS, and GS were identified as factors explaining frailty risk, and Frailty Supporters may reduce the risk of frailty.
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Kodama A, Kume Y, Watanabe N, Iino Y, Imamura S, Ota H
Clinical Case Reports International 7 ( 1 ) 1592 2023年08月 [査読有り]
研究論文（学術雑誌） 国内共著
Background: In recent years, theatrical approach has been reported to improve the health promotion of the older adults. Our study aimed to clarify the effects of a theater program intervention on the cognitive, physical, and social functions of older adults living in the community. Methods: Of the 43 participants, they were assigned to the control group and theatre intervention group, each group received intervention for three months. We compared participants' pre-test and post-test physical, cognitive, and social functioning results of the program. Moreover, the amount of change in physical and cognitive items in the control and theater groups was compared. Results: A comparison of pre-test and post-test results showed significant improvements in the UWS and physical and social frailty for the control and theatre group. Furthermore, amount of the change in UWS in the theatre group was significantly higher than in the control group. Conclusion: In conclusion, we have shown that a theatrical intervention can be as effective as the multicomponent exercise recommended, the theatrical approach was suggested to be effective in improving social frailty.
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Effect of a multicomponent programme based on reality orientation therapy on the physical performance and cognitive function of elderly community-dwellers: a quasi-experimental study
Yu Kume, Makiko Nagaoka, Sachiko Uemura, Akira Saito, Megumi Tsugaruya, Tomoe Fujita, Yoshino Terui, Ayuto Kodama, Akiko Sato, Hidetaka Ota, Hideaki Ando
Psychogeriatrics ( Wiley ) 23 ( 5 ) 847 - 855 2023年07月 [査読有り]
研究論文（学術雑誌） 国内共著
Background:Effects of a multicomponent exercise programme have an impact on the physical, cognitive, and psychological domains in elderly community-dwellers. However, some individuals aged 65 years or more have not shown positive effects after the intervention as reported in similar research. The objective of this quasi-experimental study was to clarify the effectiveness of a multicomponent programme based on reality orientation therapy (ROT) on the physical performance, cognitive ability, and psychological state in the elderly.
Method:Participants were recruited from the general public in 20 areas of Akita Prefecture, Japan, and they took part in each exercise programme for 90 min a day, once every 2 weeks, for 3 months, according to the group classification using cluster randomization into 20 cohorts in Akita. Physical, cognitive, and geriatric depression assessments were performed at baseline and after the 3-month intervention in both the ROT-based intervention group and the control group.
Result:The final samples for analysis consisted of 31 participants in the control group and 30 participants in the intervention group. The results of the statistical analysis comparing the two groups showed that the 5-repetition sit-to-stand test was performed significantly faster (P < 0.05) and that the results of the word list memory (WM) test and the Symbol Digit Substitution Task also had significantly improved (P < 0.05) after the intervention in both groups. The WM score did not show an interactive effect between the group and time factors, but it had a significant main effect on time in both groups (P < 0.05).
Conclusion:The results of our quasi-experimental study indicated that the multicomponent programme based on the ROT would be as effective as the original multicomponent programme combined with aerobic exercise and cognitive tasks, as highlighted in the WM. -
24-Hour Rest-Activity Rhythm in Middle-Aged and Older Persons with Depression
Masaki Hayashi,Masahiro Takeshima,Tomoko Hosoya, Yu Kume
International journal of environmetal research and public health 20 ( 7 ) 5275 2023年03月 [査読有り]
研究論文（学術雑誌） 国内共著
Changes in rest or active states were clinically observed in persons with depression. However, the association between symptoms of depression and 24 h rest-activity rhythm (RAR) components that can be measured using wearable devices was not clarified. This preliminary cross-sectional study aimed to clarify the 24 h RAR components associated with symptoms of depression in middle-aged and older persons. Participants were recruited from among inpatients and outpatients requiring medical treatment at Akita University Hospital for the group with depression and from among healthy volunteers living in Akita prefecture, Japan, for the healthy control group. To assess RAR parameters including inter-daily stability (IS), intra-daily variability (IV), relative amplitude (RA), and average physical activity level for the most active 10 h span (M10) or for the least active 5 h span (L5), all the participants were instructed to wear an Actiwatch Spectrum Plus device on their non-dominant wrist for seven days. Twenty-nine persons with depression and 30 controls were included in the analysis. The results of a binomial regression analysis showed that symptoms of depression were significantly associated with a high IS value (odds ratio [OR], 1.20; 95% confidence interval [95% CI], 1.01–1.44; p = 0.04) and a low M10 value (OR, 0.85; 95% CI, 0.74–0.96; p = 0.01). Our findings suggest potential components of 24 h RAR are associated with depression.
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Discharge Planning and Challenges for Patients With Asian Lifestyles Following Total Hip Arthroplasty: National Survey Design in Japan
Sachiko Makabe, Yu Kume, Yuko Akagawa, Masahiko Wakasa, Kaina Ito, Hiroaki Kijima
Orthopaedic nursing / National Association of Orthopaedic Nurses 42 ( 2 ) 115 - 122 2023年03月 [査読有り]
研究論文（学術雑誌） 国内共著
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認知症と生活リズム
久米 裕
日本老年療法学会誌 ( 一般社団法人 日本老年療法学会 ) 2 ( 0 ) 1 - 6 2023年02月 [招待有り]
研究論文（学術雑誌） 単著
<p>睡眠，食事，仕事，余暇活動を含む一日を通した生活リズムを整えることは，人の健康を保つために周知の事実である。認知症高齢者に観察される夜間せん妄や徘徊などの不穏行動には，生活リズムの障害が背景にあると指摘されており，毎日の生活にリズムをもたせ，そのリズムに沿って休息をとり活動することは，認知症の行動・心理症状（Behavioral and Psychological Symptoms of Dementia, BPSD）を軽減させるのみならず，心身の健康を維持または改善するために重要である。しかしながら，日々の活動や休息を自力では管理が難しい認知症高齢者に対して，周囲が認知症における生活リズムの特徴を捉えて支援しなければならない。近年のInformation and Communication Technology（ICT）が応用されたウェアラブル技術は，認知症の生活リズムをより定量的に把握する上で有用であることがわかってきた。特に，腕時計型ウェアラブル端末Actigraphを応用した国内外の研究知見は，認知症における休息・活動リズム（Rest-Activity Rhythm）の特徴を明らかにしている。認知症の生活リズムを適切に理解することによって，専門職による治療的介入の発展につながるだけでなく，対象者本人とその関係者の健康を保つ一助となることを期待する。</p>
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Yu Kume, Ayuto Kodama
Chronobiology International ( Taylor & Francis ) 39 ( 12 ) 1665 - 1673 2022年10月 [査読有り]
研究論文（学術雑誌） 国内共著
Reversibility of frailty in the elderly has been discussed comprehensively and but association between recovery of frail state and rest-activity rhythm (RAR) patterns remains unclear. The aim of the current study was to examine a predictor of RAR patterns at the baseline against change of frail state after the intervention in the elderly community-dwellers. This study was performed during Covid-19 pandemic, at the period from April in 2020 to March in 2022. Participants were publicly recruited from senior’s exercise program hosted by Akita city or Yurihonjo city. The revised Japanese version of the Cardiovascular Health Study criteria (revised J-CHS criteria) was used to assess frail state in each participant before and after the 6-month intervention. To measure the nonparametric RAR parameters consisting of interdaily stability (IS), intra-daily variability (IV), relative amplitude (RA) and average physical activity for the most active 10-h span (M10) or for the least active 5-h span (L5) over the average 24-h profile, an Actiwatch Spectrum Plus device was worn on each participant’s non-dominant wrist for seven continuous days. The final samples were 75 participants except for persons with uncompleted data, classified into the improved group (n = 12), the maintained group (n = 53) and the deteriorated group (n = 10) according to frail alteration after the six-month intervention. As a result of the multinomial logistic regression analysis with the reference of the maintained group, the improvement of frail state associated with a low value of IS and total night-sleep time at the baseline, and M10 and L5 at the initial time were also able to predict worsening of frail state after the six-months intervention. A result of this follow-up study provides grounds for our proposal that alterations of RAR patterns in the elderly could be observed in association with recovery or worsening of frail state after the intervention. The potential finding, however, warrants further longitudinal investigation.
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A Pilot Survey: Oral Function as One of the Risk Factors for Physical Frailty
Ayuto Kodama, Yu Kume, Masahiro Iwakura, Katsuya Iijima, Hidetaka Ota
International journal of environmental research and public health 19 ( 10 ) 6136 2022年05月 [査読有り]
研究論文（学術雑誌） 国内共著
Background: The aim of this study was to examine the association of the multiple facets of oral, motor, and social functions in community-dwelling older adults, to identify factors that might influence the risk of frailty. Methods: Of the 82 participants included in the study, 39 (5 males and 34 females) were young-old adults, with an average age of 70.5 ± 2.8 years, and 43 (14 males and 29 females) were old-old adults, with an average age of 78.7 ± 2.9 years. We assessed the risk factors for frailty among oral, motor, and social functions. Results: Statistical analysis showed a significant difference in the oral diadochokinesis between the groups (p = 0.006). According to the Spearman correlation analysis, a significant association was observed with age and oral diadochokinesis (rs = −0.262, p = 0.018), and social support (rs = −0.219, p = 0.049). Moreover, binomial logistic regression analysis revealed a significant association of frailty with the occlusal force (odds ratio, 0.031; 95% confidence interval (95% CI), 0.002–0.430; p = 0.010), General Oral Health Index (odds ratio, 0.930; 95% CI, 0.867–0.999, p = 0.046), and availability of social support (odds ratio, 0.803, 95% CI, 0.690–0.934, p = 0.004). Conclusions: To prevent frailty at an early stage, assessments of oral functions, and also that of the availability of social support, are important.
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Evaluating a frailty education program implemented through barbershops/salons in Japan: A preliminary study
Sachiko Makabe, Katsuya Fujiwara, Yu Kume, Midori Kaga, Nobuko Munemura, Shoko Kemuyama, Kazutaka Mitobe
SN Social Sciences 2 55 2022年04月 [査読有り]
研究論文（学術雑誌） 国内共著
Although frailty has detrimental physical and psychological effects on elderly people, it is potentially reversible. In this study, we aim to evaluate the effectiveness of a pilot frailty education program implemented through barbershops/salons in Japan. In January 2018, we selected five barbershops/salons in Japan where customers were educated on frailty, which was classified as “normal,” “prefrail,” and “frail.” We developed a web-based assessment tool to reduce the workload for barbers/stylists. Participants included 45 customers (82% women), with a median (interquartile range) age of 53.0 (47.5–57.5) years, and a mean ± SD BMI of 22.3 ± 2.7. Frailty scores indicated that 35% of participants were normal, 58% were prefrail, and 7% were frail. Frailty status scores reflected no significant differences after the intervention. Customers classified as frail were advised to visit the regional comprehensive support center for further professional frailty assessment. Participants, especially those aged over 65 years, found the web-based assessment difficult to use. In conclusion, a frailty education program implemented through barbershops/salons is possible because barbers/stylists can provide information on and assessment of frailty. Females and highly educated customers are more likely to be interested in participating. Nevertheless, a simple intervention is essential to expand the program nationwide.
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Pilot experimental study; Effect of environmental stimulation consisting of sound with high- frequency components, aromas, and light exposure from organic light-emitting diodes (OLEDs) toward rest-activity rhythm in institutionalized patients with dementia
Yu Kume, Motoshi Tanaka, Katsutoshi Saito
Annals of Alzheimer's and Dementia Care 6 ( 1 ) 19 - 25 2022年04月 [査読有り]
研究論文（学術雑誌） 国内共著
Environmental stimulation is expected to have a positive impact on night sleep, psychological or functional states in dementia. The objective of this pilot study was to examine the effects of environmental stimulation consisting of sounds with high-frequency components, aromas, and light exposure from organic light-emitting diodes (OLEDs) to create comfortable living spaces for persons with dementia. Subjects (n =6) were recruited from elderly persons admitted to a single nursing home in Akita Prefecture, Japan, between August and September 2020. The night-time sleep state, the rest-activity rhythm, and the light exposure of the subjects living in environments with or without environmental stimulation consisting of sounds with high-frequency components, aromas, and light exposure from OLEDs were measured for 46.3 consecutive days using wrist activate devices under free-living conditions in a nursing home. In a period of environmental stimulation depending on the presence or absence of sounds with high-frequency components, reduction of the fragmented rest-activity rhythms was signifi cantly observed in the subjects (p < 0.05). However, changes in the night-time sleep state had no signifi cant difference during the study period. In conclusion, these preliminary results suggest that future examinations are warranted not only to inform effective or comfortable living conditions for elderly persons with dementia but also to improve the disruption of rest-activity rhythms in persons with dementia.
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Word Memory was Related to Walking Speed Change in a Pre-Frailty One-Year Follow-Up Survey
Ayuto Kodama, Yu Kume, Tomoko Takahashi, Tsuyoshi Ono, Hidetaka Ota
International Journal of Gerontology ( Taiwan Society of Geriatric Emergency and Critical Care Medicine (TSGECM) ) 16 ( 2 ) 153 - 154 2022年04月 [査読有り]
研究論文（学術雑誌） 国内共著
The aim of this study was to clarify the association between physical and cognitive functions in older adults who converted from a robust health state to a pre-frailty in a one-year follow-up survey. A total of 82 participants were enrolled and classified by the Fried frailty index. The physical and cognitive functions of the participants were evaluated. Complete data samples were available for 35 participants, including 11 who remained robust and 24 who converted to a pre-frailty during the follow-up. Multiple regression analysis was performed to examine the association between the change of the usual walking speed (UWS) (± m/s) during the one-year observation period and the cognitive functions converted to a pre-frailty after one-year. The results revealed a significant association between the change of the UWS and the score for word list memory (WM) (p = 0.026). Our results suggest that decline of WM with much slower UWS might be associated with conversion to a pre-frailty.
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The Effect of Deep Micro Vibrotactile Stimulation on Cognitive Function of Mild Cognitive Impairment and Mild Dementia
Ayuto Kodama, Yasuhiro Suzuki, Kazuki Sakuraba,Yu Kume, Hidetaka Ota
International Journal of Environmental Research and Public Health 19 ( 7 ) 3803 2022年03月 [査読有り]
研究論文（学術雑誌） 国内共著
Background: The purpose of this study was to clarify the effect of Deep Micro Vibrotactile (DMV) stimulation on the cognitive functions in elderly people with mild cognitive impairment or mild dementia. Methods: A total of 35 participants with dementia from three nursing homes, who had completed treatment with DMV stimulation at 15–40 Hz (hereinafter, 15–40 Hz DMV stimulation) for a month were recruited for this study. The subjects had received continuous 15–40 Hz DMV stimulation for 24 h a day for 1 month. We assessed the effect of the treatment on the cognitive functions (by the word list memory (WM) test, trail making test-part A (TMT-A) and part B (TMT-B), and symbol digit substitution task (SDST)) and physical functions (grip strength (GS) and usual walking speed (UWS)), by comparing the results at the baseline and after the 1-month intervention (DMV stimulation). Results: The results revealed that the performances in the WM test (p < 0.05), TMT-B (p < 0.05), and SDST (p < 0.01) improved significantly after the intervention. Conclusion: Our findings suggest that 15–40 Hz DMV stimulation is might be effective for improving the cognitive functions in elderly people with dementia. Furthermore, our novel findings showed the different effectiveness of the treatment depending on the stage of cognitive impairments.
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Ayuto Kodama, Kaoru Sugawara, Yu Kume, Tomoko Takahashi, Tsuyoshi Ono, Hidetaka Ota.
Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics ( Nihon Ronen Igakkai zasshi. Japanese journal of geriatrics ) 59 ( 1 ) 58 - 66 2022年03月 [査読有り]
研究論文（学術雑誌）
The present study is assessed the effects of COVID-19 on the mental and physical function after the declaration of an emergency situation, which included the request that residents refrain from going out, in order to prevent the spread of COVID-19 infection. The investigation was conducted from 2019 to 2020. Our samples consisted of 506 older adults (332 people in 2019 and 174 people in 2020), whose physical, cognitive, depression, and independence in daily and social activities were measured annually. Furthermore, a questionnaire survey (COVID-19 questionnaire) on the impact of the spread of COVID-19 infection on respondents' daily lives (reduction in social interaction, going out, exercise, and sleep time) was conducted among participants in 2020. According to a statistical analysis, the UWS (Usual Walking Speed) was significantly faster in 2020 than it had been in 2019 (p<0.000). However, no significant differences were found in other items. A correlation analysis, revealed a significant association between the reduction in sleep time and GDS-15 (Geriatric Depression Scale) score (r=0.200, p=0.019) and between the COVID-19 questionnaire total score and body mass index (r=0.282, p=0.001).These results suggest that the decline in the physical and mental function might not have been evident in older adults in Akita Prefecture, where the number of infected people is small, although a more detailed long-term follow-up is needed. Even in such areas, there might be a significant relationship between depression and sleep or between changes in daily life due to self-imposed restraint and obesity as an effect of self-imposed restraint among older adults.
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Yu Kume, Ayuto Kodama, Tomoko Takahashi, Sangyoon Lee, Hyuma Makizako, Tsuyosi Ono, Hiroyuki Shimada, Hidetaka Ota.
Geriatrics & Gerontology International 22 ( 2 ) 145 - 151 2022年02月 [査読有り]
研究論文（学術雑誌） 国内共著
Aim: To clarify prevalence of social frailty among older adults living in a rural Japanese community, and factors associated with social frailty status. Methods: In total, 322 adults aged ≥65 years living in a Japanese rural community took part in the study from 2018 to 2020. Social frailty was defined as deficiencies of: (i) living alone; (ii) talking with someone every day; (iii) feeling helpful to friends or family; (iv) going out less frequently compared with last year; and (v) visiting friends sometimes. Social frail status was categorized as robust (0), social prefrail (1), and social frail (≥2), according to the summated score of Makizako's criteria. Multiple logistic regression analysis was applied to clarify factors associated with social frailty status. Results: Final samples were classified into 68 persons with social frailty, 98 persons with social prefrailty and 147 persons as robust. We observed the prevalence of social frailty (21.7%) and social prefrailty (31.3%) and the GDS-15 had significantly high scores in the social frail groups. Social frailty was significantly associated with the GDS-15 score (odds ratio, 1.33; 95% CI, 1.19–1.49) and TMT-A (odds ratio, 1.04; 95% CI, 1.01–1.08) and GDS-15 (odds ratio, 1.13; 95% CI, 1.03–1.26) were extracted as independent variables of social prefrail status, with adjustment for demographics, polypharmacy and lifestyle-related diseases. Conclusions: Our results suggest that social frailty tends to be increasing gradually in a Japanese rural area, and social prefrailty might be potentially associated with attentional function, as well as the GDS-15 score.
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Yuta Tanaka, Yu Kume, Ayuto Kodama.
Traffic Injury Prevention 23 ( 1 ) 57 - 60 2022年01月 [査読有り]
研究論文（学術雑誌） 国内共著
Objective: An increase in older drivers has been widely recognized in Japan; accordingly, screening to prevent traffic accidents is a crucial issue for safe driving. As a preliminary study, we examined the association between on-road driving performance and cognition or physical performance in older individuals. Methods: The survey was conducted in 2020, and the participants were recruited in Katagami City, Akita, Japan. The Road Test was used to assess on-road driving performance. The physical assessment comprised the usual walking speed (UWS) and grip strength (GS), and the cognitive evaluation consisted of the National Center for Geriatrics and Gerontology Functional Assessment Tool (NCGG-FAT) and the Japanese version of Stroke Drivers’ Screening Assessment (J-SDSA). A multiple regression model was also applied to examine the association between on-road driving performance and the physical items or cognitive domains of the NCGG-FAT and the J-SDSA in older individuals. Results: Twenty-one participants (mean age ± standard deviation [SD], 77.0 ± 5.5 years) were included in this study. A correlation analysis showed that the on-road test score was correlated with performances on the UWS (r = 0.53, p =.002), the word list memory (WM) test (r = 0.44, p =.046), the trail-making test-A (TMT-A) (r = −0.44, p =.048), the SDSA dot cancelation (DC) test (r = −0.63, p =.002), and the SDSA squares matrix compass test (SM) (r = 0.54, p =.048). According to a stepwise linear regression, the on-road test score was associated with the UWS (β = −0.01, p =.003) and the SDSA DC (β = 4.89, p =.01), with an adjusted R 2 = 0.54. Conclusions: The results of the study suggested that the UWS and sustainable attention might be potential factors influencing on-road driving performance. Our preliminary findings warrant further investigation.
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Impact of COVID-19 Pandemic Exacerbation of Depressive Symptoms for Social Frailty from the ORANGE Registry
Ayuto Kodama,Yu Kume,Sangyoon Lee,Hyuma Makizako,Hiroyuki Shimada,Tomoko Takahashi,Tsuyoshi Ono, Hidetaka Ota
International Journal of Environmental Research and Public Health 19 ( 2 ) 986 2022年01月 [査読有り]
研究論文（学術雑誌） 国内共著
Background: Recent longitudinal studies have reported proportion of frailty transition in older individuals during the COVID-19 pandemic. Our study aimed at clarifying the impact of social frailty in community-dwelling older adults during the COVID-19 pandemic and at identifying factors that can predict transition to social frailty. Methods: We performed this study from 2019 (before declaration of the state of emergency over the rising number of COVID-19 cases) to 2020 (after declaration of the emergency). We applied Makizako’s social frail index to our study subjects at the baseline and classified into robust, social prefrailty, and social frailty groups. Multiple logistic regression analysis was performed using robust, social prefrailty, or social frailty status as dependent variable. Results: Analysis by the Kruskal–Wallis test revealed significant differences in the score on the GDS-15 among the robust, social prefrailty, and social frailty groups (p < 0.05). Furthermore, multiple regression analysis identified a significant association between the social frailty status and the score on GDS-15 (odds ratio, 1.57; 95% confidence interval (95% CI), 1.15–2.13; p = 0.001). Conclusion: The increase in the rate of transition of elderly individuals to the social frailty group could have been related to the implementation of the stay-at-home order as part of the countermeasures for COVID-19. Furthermore, the increased prevalence of depressive symptoms associated with the stay-at-home order could also have influenced the increase in the prevalence of social frailty during the COVID-19 pandemic.