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Aim: As living alone is associated with poor mental health, seeking a moderating factor in this relationship may help enhance quality of life of older people living alone. Therefore, this study examined the moderating effect of leisure activity on the relationship between living alone and mental health in older people., Methods: This study employed a cross-sectional analysis of questionnaire data. Research was conducted in a metropolitan Tokyo ward from September to October 2017. Participants were 314 community-dwelling Japanese individuals (158 women, 156 men) aged 70-84 years (mean ± SD, 77.7 ± 4.4). We analyzed mental health using the Japanese version of the World Health Organization-Five Well-Being Index as the outcome variable, and the 11 items of the Leisure Activity Scale and living arrangements as explanatory variables. Multivariate analyses were used to examine effects of leisure activity on living arrangements and mental health., Results: The proportion of people living alone was 22.9% (N = 72), and the mental health score was mean ± SD, 14.2 ± 7.2. Multiple regression analysis showed that subjective economic status (β = -0.177), instrumental activities of daily living (β = 0.167), living arrangements (β = -0.142) and leisure activity (β = 0.481) were associated with mental health. The interaction effect between living arrangements and leisure activity on mental health was significant (β = 0.112)., Conclusions: Our findings show that leisure activity moderates poor mental health in older adults living alone. Accordingly, interventions should encourage older adults living alone to engage in leisure activity to improve their mental health. Geriatr Gerontol Int 2021; 21: 421-425., (© 2021 Japan Geriatrics Society.)

Aim: The present study explored the interactive effects of willingness to volunteer and actual volunteer engagement on the maintenance of functional health among older Japanese adults, using data from a 3-year longitudinal study., Methods: We used data from the 3-year longitudinal Tokyo Metropolitan Institute of Gerontology Longitudinal Interdisciplinary Study on Aging (1997). We examined 676 older adults aged >65 years from the rural Nangai District who were independent in their basic activities of daily living (BADL). A follow-up study was carried out in 2000. We categorized participants into four groups: "willing volunteers," "unwilling volunteers," "willing non-volunteers" and "unwilling non-volunteers." Logistic regression analyses were carried out to evaluate the interactive effects of willingness to volunteer and actual engagement in volunteering at baseline on BADL decline over a 3-year period., Results: During the follow-up period, 6.6% of willing volunteers, 17.4% of unwilling volunteers, 16.3% of willing non-volunteers and 21.0% of unwilling non-volunteers experienced a decline in BADL. Unwilling volunteers (odds ratio [OR] 2.88, 95% confidence interval [CI] 1.29-6.43) and both non-volunteer groups (willing: OR 2.70, 95% CI 1.28-5.72; unwilling: OR 2.48, 95% CI 1.32-4.64) had significantly higher odds of BADL decline than did willing volunteers. When unwilling non-volunteer was set as the reference, the OR of unwilling volunteers became 1.16 (95% CI 0.55-2.49), suggesting that unwilling volunteers had a similar odds of BADL decline as non-volunteers., Conclusion: Volunteer activity is effective for preventing BADL decline only for those who willingly engage. Geriatr Gerontol Int 2019; 19: 673-678., (© 2019 Japan Geriatrics Society.)

Aim: In general, physically activity contributes to better subjective well-being (SWB) in the elderly. However, the physical activity level of older people who experienced relocation after the Great East Japan Earthquake has been reported to be low, possibly leading to low SWB. This study aimed to examine the efficacy of group intervention involving physical activity on SWB among older returnees after the Great East Japan Earthquake., Methods: The participants were randomly allocated to an intervention group (4 men, 10 women) or a control group (7 women). Participants in the intervention group attended a series of weekly classes over eight weeks to encourage daily physical activity, whereas participants in the control group received no intervention. SWB, the primary outcome, was assessed by the World Health Organization Five Well-Being Index., Results: Median variation in the World Health Organization Five Well-Being Index scores at 3 months from the baseline in the intervention and control groups was -1.0 and -2.0 points, respectively; the difference was borderline significant (P = 0.06). There was no significant difference between the groups in the median of variation in muscle strength (P = 0.79) or mobility (P = 0.77) at 3 months., Conclusion: The intervention might prevent deterioration in participants' SWB. Further studies involving older returnees with poor physical activity and/or sedentary lifestyle may be beneficial for health promotion in the area., (© 2018 Japanese Psychogeriatric Society.)

Purpose: This study examined the incidence of depression and associated factors among elderly persons from Iitate village after the March 2011 earthquake., Method: This was a prospective cohort study. As a baseline survey, in May 2010 a self-assessment Basic Checklist (BCL) was distributed to 1611 elderly villagers, of which 1277 responded. Of these respondents, 885 without a tendency to depression (69.3%) were given a follow-up survey in May 2013. The BCL was used to assess depression tendency, instrumental activities of daily living (IADL), physical function, nutritional status, oral function, homeboundness, cognitive function and social activities. Univariate analysis was used to examine differences in risk between those with a presence of depression tendency (PDT) and those without (non-PDT) depending on demographic and BCL variables. Variables found to be significant were analysed by Poisson regression analysis., Results: Of the 438 respondents in the second survey, 163 (37.2%) showed depression tendency. PDT risk was significantly increased by female gender, age, history of diabetes and cognitive disorder. It was significantly reduced by increased IADL. Engagement in social activities decreased PDT risk in rental accommodation., Discussion: Renters faced a higher risk of PDT than persons evacuated in groups to purpose-built housing. The inclusion of social activities in the multivariate Poisson regression analysis weakened this effect. Female gender, a history of diabetes, reduced IADL and a tendency to cognitive disorder each independently affected PDT risk. These findings may inform future responses to earthquakes and the technical disasters that may accompany them., Competing Interests: Competing interests: None declared., (© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.)

Objective: This study aimed to clarify the longitudinal relationship between leisure activities and cognitive decline among Japanese community-dwelling older adults, using a 5-year prospective cohort study design., Methods: A total of 567 men and women, aged 70years and over, participated in the study. The Mini-Mental State Examination was used in baseline and follow-up surveys to assess cognitive function. The change in cognitive function from baseline to follow-up was determined, and cognitive decline over 5years was used as the outcome variable. Leisure activities (hobby, social activity, and physical activity) were assessed at baseline and used as independent variables. Age, gender, number of years of education, presence of chronic diseases, instrumental activities of daily living, depressive symptoms, smoking, hearing deficits, and level of cognitive function at baseline were used as covariates., Results: Multivariate logistic regression analysis, adjusted for potential confounders, showed that non-participation in a hobby was significantly and independently associated with cognitive decline (odds ratio: 1.87, 95% confidence interval: 1.16-3.02, p<0.01). There were no significant relationships between social activity, physical activity and cognitive decline., Conclusions: Our study found a longitudinal inverse relationship between hobby participation and cognitive decline among elderly Japanese community-dwelling individuals, suggesting that engaging in a hobby in later life can contribute to preserving cognitive function., (Copyright © 2011 Elsevier Inc. All rights reserved.)

Objective: This study aimed to examine a longitudinal relationship between depression status and functional decline among Japanese community-dwelling older adults, using a 12-year population-based, prospective cohort study design., Method: A total of 710 men and women, aged 65 years and over, participated in the study. Katz's Index and the Tokyo Metropolitan Institute of Gerontology Index of Competence were used to measure the functional capacities of basic activities of daily living (BADL) and higher-level competence, respectively. For the purpose of analysis, a decline in each subscale of functional capacity during the follow-up period were used as outcome variables; depression status assessed by the Japanese version of the 30-item Geriatric Depression Scale (GDS), with a cut-off of 11, was used as an independent variable; and age, gender, education level, history of chronic disease, hospitalization, smoking, physical activity, living alone, hearing problems, physical pain, dietary habits, and usual walking speed at baseline were used as covariates., Results: Use of the multivariate Cox proportional hazards model adjusted for potential confounders showed that depression status was significantly and independently associated with BADL decline (risk ratio (RR) = 1.46, 95% confidence interval (CI): 1.13-1.89) and with higher-level competence decline (RR = 1.56, 95% CI: 1.18-2.04)., Conclusion: Our study found an independent relationship between depression status and longitudinal change in functional capacity among community-dwelling older individuals, suggesting that depression status is a reliable predictor of functional decline (both of BADL decline and higher-level competence decline) in older adults., (Copyright 2009 John Wiley & Sons, Ltd.)

Objective: The present study was performed to comprehensively investigate the prevalence of multiple symptoms of the geriatric syndrome, characteristics and related factors in urban community-dwelling elderly women., Methods: Among 669 women aged 70 years and above living in 5 areas of Itabashi-ku, who attended the Otassha Kenshin (comprehensive health check for the elderly) in November 2004 and gave consent to participate in this study, 668 had no missing data and their interview and physical fitness data were analyzed. The criteria for the geriatric syndrome were: (1) functional decline: a score of 10 points or below for the 13 items of the Tokyo Metropolitan Institute of Gerontology (TMIG) index of competence; (2) falls: "have fallen" once or more in the last year; and (3) urinary incontinence: frequency of urine leakage of "1 to 3 times in a month" in daily life. The interview and physical fitness data were compared between healthy persons, persons with one symptom and persons with multiple symptoms. Multiple logistic regression models were used to analyse related factors., Results: The prevalence of multiple geriatric syndromes was 15.3%; comprising 2.2% with "functional decline+falls", 6.0% with "functional decline+urinary incontinence", 5.1% with "falls+urinary incontinence", and 2.0% with "functional decline+falls+urinary incontinence". The group reporting multiple symptoms had poor self-rated health, had a high percentage currently taking three or more medications, had a fear of falling and had a significantly (P < 0.05) higher likelihood of a history of stroke and urinary disease. In addition, the group with multiple symptoms were older, and had significantly (P < 0.05) poorer results for grip strength, usual walking speed, maximum walking speed, functional reach, knee extension strength, and one leg standing time with eyes open. Within this group, the "functional decline+falls" subgroup had the lowest level of physical fitness. Analysis of factors related to the presence (1) or absence (0) of multiple symptoms identified fear of falling and usual walking speed as two significant variables., Conclusion: This study showed that: (1) physical fitness is significantly lower in the group with multiple symptoms of the geriatric syndrome compared with healthy persons, and was the lowest in the subgroup with "functional decline+falls"; and (2) fear of falling and usual walking speed were two factors related to multiple geriatric syndromes. These results suggest directions for future intervention strategies.

It is predicted that the future increase in the oldest-old (85 years and older) population will have a marked influence on society. However, little is known about the features of various functions in the oldest-old. The purpose of this study was to clarify the functional status of the oldest-old. We surveyed all oldest-old residents in a small area of Itabashi ward in metropolitan Tokyo to clarify their living conditions. The oldest-old themselves and their family members were invited to participate, and 235 out of 311 residents (75.6%) agreed to do so. Forty-two percent of the participants were dependent and needed care from others. The ADL status measured by the Barthel Index showed that 30% of independent participants also had some deterioration of physical function. These results are indicative of increased frailty in the oldest-old. Comparison between independent and dependent (need care from others in daily living) showed that the functional status was lower in dependent group. However, the psychological well-being was the same in this two groups. These results indicate progressive functional deterioation and psychological adaptation to it, in the oldest-old. Further research to elucidate the process of psychological adaptation to frailty is necessary in order to promote the well-being among the oldest-old, in whom functional limitation is evident.