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Shiba K, Hikichi H, Okuzono SS, VanderWeele TJ, Arcaya M, Daoud A, Cowden RG, Yazawa A, Zhu DT, Aida J, Kondo K, Kawachi I. Long-Term Associations between Disaster-Related Home Loss and Health and Well-Being of Older Survivors: Nine Years after the 2011 Great East Japan Earthquake and Tsunami. ENVIRONMENTAL HEALTH PERSPECTIVES 2022; 130:77001. [PMID: 35776697 PMCID: PMC9249145 DOI: 10.1289/ehp10903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 05/26/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Little research has examined associations between disaster-related home loss and multiple domains of health and well-being, with extended long-term follow-up and comprehensive adjustment for pre-disaster characteristics of survivors. OBJECTIVES We examined the longitudinal associations between disaster-induced home loss and 34 indicators of health and well-being, assessed ∼9y post-disaster. METHODS We used data from a preexisting cohort study of Japanese older adults in an area directly impacted by the 2011 Japan Earthquake (n=3,350 and n=2,028, depending on the outcomes). The study was initiated in 2010, and disaster-related home loss status was measured in 2013 retrospectively. The 34 outcomes were assessed in 2020 and covered dimensions of physical health, mental health, health behaviors/sleep, social well-being, cognitive social capital, subjective well-being, and prosocial/altruistic behaviors. We estimated the associations between disaster-related home loss and the outcomes, using targeted maximum likelihood estimation and SuperLearner. We adjusted for pre-disaster characteristics from the wave conducted 7 months before the disaster (i.e., 2010), including prior outcome values that were available. RESULTS After Bonferroni correction for multiple testing, we found that home loss (vs. no home loss) was associated with increased posttraumatic stress symptoms (standardized difference=0.50; 95% CI: 0.35, 0.65), increased daily sleepiness (0.38; 95% CI: 0.21, 0.54), lower trust in the community (-0.36; 95% CI: -0.53, -0.18), lower community attachment (-0.60; 95% CI: -0.75, -0.45), and lower prosociality (-0.39; 95% CI: -0.55, -0.24). We found modest evidence for the associations with increased depressive symptoms, increased hopelessness, more chronic conditions, higher body mass index, lower perceived mutual help in the community, and decreased happiness. There was little evidence for associations with the remaining 23 outcomes. DISCUSSION Home loss due to a disaster may have long-lasting adverse impacts on the cognitive social capital, mental health, and prosociality of older adult survivors. https://doi.org/10.1289/EHP10903.
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Ueno T, Nakagomi A, Tsuji T, Kondo K. Association between social participation and hypertension control among older people with self-reported hypertension in Japanese communities. Hypertens Res 2022; 45:1263-1268. [PMID: 35705739 DOI: 10.1038/s41440-022-00953-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 04/28/2022] [Accepted: 05/13/2022] [Indexed: 11/09/2022]
Abstract
Hypertension control remains poor worldwide despite well-established strategies for lowering blood pressure. Social participation has been associated with a lower prevalence of hypertension, but evidence is scarce regarding hypertension control. The aim of this study was to examine the relationship between social participation and hypertension control among older people. We used cross-sectional data from participants of the 2019 wave of the Japan Gerontological Evaluation Study (JAGES; n = 13,629). Social participation was defined as no participation, participation in one group, or participation in two or more groups. After adjusting for covariates, modified Poisson regression analysis showed that participation in two or more groups (prevalence ratio [95% confidence interval]: 1.08 [1.03-1.13]) was associated with better control of hypertension than no participation, but participation in one group (1.02 [0.96-1.08]) was not. Social participation in multiple groups was associated with better control of hypertension among older people in Japan.
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Nogimura A, Noguchi T, Otani T, Kamiji K, Yasuoka M, Watanabe R, Ojima T, Kondo K, Kojima M. Chronic obstructive pulmonary disease and the mortality risk in male older adults: role of socioeconomic factors. Arch Gerontol Geriatr 2022; 102:104741. [DOI: 10.1016/j.archger.2022.104741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/23/2022] [Accepted: 05/31/2022] [Indexed: 11/25/2022]
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Koga C, Tsuji T, Hanazato M, Suzuki N, Kondo K. Elder Abuse and Depressive Symptoms: Which is Cause and Effect? Bidirectional Longitudinal Studies From the JAGES. JOURNAL OF INTERPERSONAL VIOLENCE 2022; 37:NP9403-NP9419. [PMID: 33280484 PMCID: PMC9136480 DOI: 10.1177/0886260520967135] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Elder abuse is a serious public health concern that increases the risks of negative health outcomes globally. It is well known that abuse in older adults is associated with depression; however, longitudinal studies investigating the causal relationship between these events are scarce. Because the cause precedes the result over time, the temporal relationships between abuse and depression should be verified from each direction. This longitudinal study, therefore, investigated and clarified whether depression causes or results from elder abuse among older Japanese adults. Two longitudinal analyses were conducted using data derived from the Japan Gerontological Evaluation Study. The data were collected in 2010 and 2013 through a mail survey of 1,737 people (983 females, 754 males) across Japan. Of those who did not experience abuse in 2010, 38 (5.0%) males and 53 (5.4%) females newly experienced abuse in 2013. Among respondents who did not have depressive symptoms in 2010, 60 (8.0%) males and 61 (6.2%) females newly reported depressive symptoms in 2013. After adjusting for demographic factors in Analysis 1, people who experienced abuse were 2.28-fold (95% confidence interval [CI] = 1.68-3.09) more likely to have depressive symptoms three years later than those who were not abused. In Analysis 2, respondents who had mild or severe depression in 2010 were 2.23-fold (95% CI = 1.61-3.10) more likely to have experienced abuse after three years than those who did not have depression. After adjusting for several demographic factors, the results showed that abuse can lead to depression and that depression can be a cause of abuse. Therefore, preventing abuse should be considered from both directions.
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Katsuyama Y, Kondo K, Kojima M, Kamiji K, Ide K, Iizuka G, Muto G, Uehara T, Noda K, Ikusaka M. Mortality risk in older Japanese people based on self-reported dyslipidemia treatment and socioeconomic status: The JAGES cohort study. Prev Med Rep 2022; 27:101779. [PMID: 35340272 PMCID: PMC8943431 DOI: 10.1016/j.pmedr.2022.101779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/01/2022] [Accepted: 03/20/2022] [Indexed: 11/16/2022] Open
Abstract
Older people under self-reported dyslipidemia treatment had some distinction. They had higher income and education levels than those without treatment. Their self-reported treatment status was negatively associated with mortality risk.
Few studies consider socioeconomic status when assessing mortality risk in dyslipidemia cases. This study used cohort data from the 2010 Japan Gerontological Evaluation Study (JAGES), which contains data on older Japanese people, to associate socioeconomic status with mortality risk in patients treated for dyslipidemia. In this 6-year longitudinal study, we examined 47,275 older Japanese people aged ≥ 65 years who could independently perform activities of daily living. Patients’ background characteristics were classified based on their dyslipidemia treatment status and were assessed using the chi-squared test. The mortality risk was assessed using the Cox proportional hazards model, wherein the objective and explanatory variables were total mortality and self-report of dyslipidemia treatment, respectively. The participants were stratified by sex and age into younger (aged 65–74 years) and older (aged ≥ 75 years) groups of men and women. The results were adjusted, with health condition, health behavior, and socioeconomic status as confounding factors. The adjusted hazard ratios of 5514 people who died during the follow-up who had self-reported dyslipidemia treatment were 0.49 [95% confidence interval (CI) 0.35–0.69] for younger men; 0.57 (95% CI 0.42–0.76) for older men; 0.52 (95% CI 0.34–0.80) for younger women; and 0.47 (95% CI 0.33–0.67) for older women. Older people undergoing treatment for dyslipidemia had factors beneficial for health, such as good socioeconomic status. Despite considering these factors, individuals undergoing dyslipidemia treatment had a negative association with mortality risk.
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Yamamoto T, Hikichi H, Kondo K, Osaka K, Aida J. Community intervention programs prolong the onset of functional disability among older Japanese. Geriatr Gerontol Int 2022; 22:465-470. [PMID: 35451194 PMCID: PMC9167703 DOI: 10.1111/ggi.14385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 02/28/2022] [Accepted: 03/15/2022] [Indexed: 11/27/2022]
Abstract
Aim This study examined the effects of a “community‐based center” intervention to prevent the onset of functional disability among residents in disaster‐affected areas. Methods We used data from a prospective cohort study conducted from 2010 to 2016 in Iwanuma City, Japan. Participants were community‐dwelling independent adults aged ≥65 years. The exposure variable was the experience of using a community‐based center. The outcome variable was functional disability onset. The average treatment effect on the treated (ATET) was estimated by adjusting for possible confounders. Additional analysis stratified by sex was conducted considering the sex differences in social participation rates. Results Among 3794 participants (mean ± SD age = 72.9 ±5.3 years, 46.0% men), 196 (5.2%) used the community‐based center, and 849 (22.4%) exhibited disability onset. Of those with functional disabilities, 40 (20.4%) used the community‐based center, while 809 (22.5%) did not. The ATET for functional disability onset with community‐based center activities across all participants were not significant (ATET: 0.51 years [95% confidence interval [CI] = −0.23; 1.27]). However, the direction of the effect of community‐based center activities differed by sex (ATET: −0.14, 95% CI = −2.59; 2.31 for men [n = 18], and 0.66, 95% CI = 0.18; 1.16 for women [n = 178]). Women exhibited a 15.63% (95% CI = 3.58; 27.68) increase in the time until functional disability onset. Conclusions The use of community‐based centers was associated with a longer period without functional disability in women. Geriatr Gerontol Int 2022; 22: 465–470.
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Tsuji T, Takagi D, Kondo N, Maruyama Y, Ide K, Wang H, Kondo K. [Promoting community gathering places "Kayoinoba" for healthy aging reduce health inequalities among communities: An eight-year ecological study]. [NIHON KOSHU EISEI ZASSHI] JAPANESE JOURNAL OF PUBLIC HEALTH 2022; 69:383-393. [PMID: 35296594 DOI: 10.11236/jph.21-120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objectives This study aimed to investigate whether health inequalities among communities would be reduced by intensively enhancing the "Kayoinoba" program in model communities where many high-risk, older adults live.Methods Kobe City and the Japan Gerontological Evaluation Study created a mail survey for older adults in 78 communities (community ≈ junior high school district) to conduct community diagnosis. Sixteen communities showed poor values along multiple dimensions of risk and required priority measures. From 2014 to 2019, we designated these 16 communities as model communities. Then, municipal officials and researchers cooperated to support the establishment and management of "Kayoinoba." By using four-waves of mail survey data (in 2011, 2013, 2016, and 2019 with n=8,872, 10,572, 10,063, and 5,759, respectively), secular transitions of nine intermediate outcome indicators (three=social participation, two=social network, and four=social support) and five health outcome indicators (physical function, malnutrition, oral function, cognitive function, and depressive symptoms) were compared between model (n=16) and non-model (n=62) communities via multilevel mixed-effects linear regression analysis.Results In the 2011 and 2013 surveys, model communities showed poor value compared to the non-model communities in 13 of the 14 indicators. A significant interaction between the year and model/non-model communities was confirmed for four intermediate outcome indicators (sports and hobby group participation, number of friends met, and providing emotional support) and three health outcome indicators (oral function, cognitive function, and depressive symptoms). The differences were reduced or eliminated in the 2016 and 2019 surveys. For example, hobby group participation in 2011 was 29.7% vs. 35.0% in model vs. non-model communities; the difference narrowed to 35.2% vs. 36.1% (P=0.008). Similarly, providing emotional support increased from 83.9% vs. 87.0% to 93.3% vs. 93.3% (P=0.007). Depressive symptoms decreased from 31.4% vs. 27.2% to 18.6% vs. 20.3% (P<0.001).Conclusions Promoting community gathering places "Kayoinoba" for six years in communities where many high-risk older adults live may foster social participation, networking, and support and may help reduce health inequalities among communities.
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Hoshi-Harada M, Aida J, Cooray U, Nakazawa N, Kondo K, Osaka K. Difference of income inequalities of denture use by co-payment rates: A JAGES cross-sectional study. Community Dent Oral Epidemiol 2022; 51:557-564. [PMID: 35569009 DOI: 10.1111/cdoe.12749] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/28/2022] [Accepted: 04/24/2022] [Indexed: 12/29/2022]
Abstract
OBJECTIVES Studies suggest that wearing dentures to restore missing teeth can have a positive impact on health status. However, income inequalities in denture wearing exist. The aim of this study was to investigate how differing co-payment rates under the current Japanese Universal Health Insurance Coverage System affect income inequalities in denture non-use among older adults with severe tooth loss. METHODS This cross-sectional study used data from the 2019 Japan Gerontological Evaluation Study (JAGES). Self-administered questionnaires were mailed to 345 356 independent people who did not receive long-term care insurance benefits and were aged ≥65 years. The dependent variable was denture non-use, and the independent variable was the equivalent annual household income. The Slope Index of Inequality (SII) and Relative Index of Inequality (RII) were used with regression-based approaches to determine both absolute and relative inequalities in denture non-use by co-payment rates. The covariates were sex, age, years of education, number of teeth and comorbidities. RESULTS Of the 240 889 responses received (response rate =69.9%), we analysed 21 594 participants who fulfilled the inclusion criteria. The mean age was 72.8 years (standard deviation =4.1), and 57.6% were men. For 30 per cent, 20 per cent and 10 per cent co-payment rates, the percentages of people who did not use dentures and had severe tooth loss (≤9 teeth) were 18.3%, 13.3%, and 8.5%, respectively. All analyses confirmed significant inequalities in denture non-use. The lower the co-payment rate, the smaller the inequalities. SIIs for each co-payment rate were as follows: 30 per cent =13.35% (95% confidence interval [CI] = 9.61-17.09); 20 per cent =7.85% (95% CI = 4.88-10.81); and 10 per cent =4.85% (95% CI = 2.55-7.16). Inclusion of interaction term between income and co-payment rate significantly lowered the inequalities by co-payment rate in logistic regression analysis and SII. For RII, although the interaction was not statistically significant, a similar trend was observed. CONCLUSIONS Income inequalities in denture use existed among older adults with severe tooth loss in Japan, and the inequalities appeared to be greater when the co-payment rate was higher.
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Wang Y, Shirai K, Ohira T, Hirosaki M, Kondo N, Takeuchi K, Yamaguchi C, Tamada Y, Kondo K, Cadar D, Iso H. Occasions for laughter and dementia risk: Findings from a six-year cohort study. Geriatr Gerontol Int 2022; 22:392-398. [PMID: 35289045 DOI: 10.1111/ggi.14371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 02/10/2022] [Accepted: 02/19/2022] [Indexed: 11/28/2022]
Abstract
AIM Currently, there is little evidence on the relationship between laughter and the risk of dementia, and since laughter is mainly a social behavior, we aimed to examine the association between various occasions for laughter and the risk of dementia in Japanese older adults. METHODS We draw upon 6-year follow-up data from the Japan Gerontological Evaluation Study, including 12 165 independent older adults aged 65 years or over. Occasions for laughter were assessed using a questionnaire, while dementia was diagnosed using the standardized dementia scale of the long-term care insurance system in Japan. Cox proportional hazards models were estimated, yielding hazard ratios and 95% confidence intervals (CIs). RESULTS The multivariable hazard ratio of dementia incidence for all participants in the groups for high versus low variety of occasions for laughter was 0.84 (95% CI: 0.72-0.98, P for trend <0.001). A greater variety of occasions for laughter was associated with a lower risk of dementia 0.78 (95% CI: 0.63-0.96, P for trend <0.001) among women, but was less pronounced for men, with significant associations only for the medium group. Laughing during conversations with friends, communicating with children or grandchildren, and listening to the radio were primarily associated with decreased risk. CONCLUSION A greater variety of laughter occasions in individual and social settings was associated with a reduced risk of dementia. Geriatr Gerontol Int 2022; 22: 392-398.
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Takagi D, Kondo N, Tsuji T, Kondo K. Parks/sports facilities in local communities and the onset of functional disability among older adults in Japan: The J-shaped spatial spillover effects. Health Place 2022; 75:102801. [PMID: 35429762 DOI: 10.1016/j.healthplace.2022.102801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 11/24/2022]
Abstract
We examined the associations between parks/sports facilities in local communities and the onset of functional disability among Japanese older adults. We further investigated the spatial spillover effects of parks/sports facilities in 1st-, 2nd-, and 3rd-degree neighboring communities. Data on the onset of functional disability, including date of onset, sex, age, and address (school district) of all older adults aged 65 years and older living in Kobe City were obtained from the public long-term care insurance database (163,348 men [190,831 person-year] and 200,443 women [230,464 person-year]). Multilevel proportional hazard regression analyses showed that the number of parks and sports facilities were negatively associated with the onset of functional disability among men. In particular, these associations were stronger for the adjacent district than for individuals' living districts. Our results imply that involving multiple neighboring communities as the intervention unit is effective when utilizing community built environments for long-term care prevention in men.
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Ide K, Jeong S, Tsuji T, Watanabe R, Miyaguni Y, Nakamura H, Kimura M, Kondo K. Suggesting Indicators of Age-Friendly City: Social Participation and Happiness, an Ecological Study from the JAGES. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19095096. [PMID: 35564490 PMCID: PMC9102036 DOI: 10.3390/ijerph19095096] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 04/15/2022] [Accepted: 04/19/2022] [Indexed: 02/04/2023]
Abstract
Ascertaining progress in building age-friendly cities (AFCs) requires community diagnostic indicators. This study examines the relationship between social participation and happiness at the municipal level. The data from the Japan Gerontological Evaluation Study (JAGES) from 2013, 2016, and 2019, comprising 442,079 older people from 289 municipalities, are used. We also employ linear mixed-effects models to evaluate the association between social participation and happiness. In these models, we adjust for seven variables as potential confounders. This study reveals that the higher the social participation, except for neighborhood association, the higher the state of happiness (B = 0.14-0.30). Our study suggests that social participation is useful, as a community diagnostic indicator, for monitoring the progress of building AFCs, developing strategies, and creating evidence.
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Takeuchi H, Ide K, Watanabe R, Miyaguni Y, Kondo K. Association between Increasing Social Capital and Decreasing Prevalence of Smoking at the Municipality Level: Repeated Cross-Sectional Study from the JAGES. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19084472. [PMID: 35457340 PMCID: PMC9032559 DOI: 10.3390/ijerph19084472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/26/2022] [Accepted: 04/06/2022] [Indexed: 12/10/2022]
Abstract
As smoking cessation is crucial for both individual and public health, this study aimed to elucidate the association between changes in social capital and in terms of smoking at the level of municipal units in Japan. Using repeated cross-sectional data from the Japan Gerontological Evaluation Study, we analyzed data from adults aged 65 years or older from 69 municipal units that participated in two survey waves. We received valid responses from 91,529 and 86,403 older people in 2013 and 2019, respectively, and aggregated all variables by municipal units. For the dependent variable, we used the units’ prevalence of smoking for both years. The independent variables were the percentages of social capital indicators, such as social participation, social cohesion, and reciprocity for each of the 69 municipal units. The mean prevalence of smoking increased from 9.7% in 2013 to 10.2% in 2019. Multiple regression analysis revealed that increases in the percentages of sports group participation, receiving emotional and instrumental social support, and reciprocity were significantly associated with decreased prevalence of smoking, after we adjusted for confounding variables. This study indicates that building social capital might be useful in promoting smoking cessation and that its indicators could be useful in monitoring efforts.
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Aaltonen T, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Bae T, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bedeschi F, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brigliadori L, Bromberg C, Brucken E, Budagov J, Budd HS, Burkett K, Busetto G, Bussey P, Butti P, Buzatu A, Calamba A, Camarda S, Campanelli M, Carls B, Carlsmith D, Carosi R, Carrillo S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Cho K, Chokheli D, Clark A, Clarke C, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Cremonesi M, Cruz D, Cuevas J, Culbertson R, d'Ascenzo N, Datta M, de Barbaro P, Demortier L, Deninno M, D'Errico M, Devoto F, Di Canto A, Di Ruzza B, Dittmann JR, Donati S, D'Onofrio M, Dorigo M, Driutti A, Ebina K, Edgar R, Elagin A, Erbacher R, Errede S, Esham B, Farrington S, Fernández Ramos JP, Field R, Flanagan G, Forrest R, Franklin M, Freeman JC, Frisch H, Funakoshi Y, Galloni C, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Glagolev V, Glenzinski D, Gold M, Goldin D, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González López O, Gorelov I, Goshaw AT, Goulianos K, Gramellini E, Grosso-Pilcher C, Guimaraes da Costa J, Hahn SR, Han JY, Happacher F, Hara K, Hare M, Harr RF, Harrington-Taber T, Hatakeyama K, Hays C, Heinrich J, Herndon M, Hocker A, Hong Z, Hopkins W, Hou S, Hughes RE, Husemann U, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jindariani S, Jones M, Joo KK, Jun SY, Junk TR, Kambeitz M, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Kilminster B, Kim DH, Kim HS, Kim JE, Kim MJ, Kim SH, Kim SB, Kim YJ, Kim YK, Kimura N, Kirby M, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Kruse M, Kuhr T, Kurata M, Laasanen AT, Lammel S, Lancaster M, Lannon K, Latino G, Lee HS, Lee JS, Leo S, Leone S, Lewis JD, Limosani A, Lipeles E, Lister A, Liu Q, Liu T, Lockwitz S, Loginov A, Lucchesi D, Lucà A, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maestro P, Malik S, Manca G, Manousakis-Katsikakis A, Marchese L, Margaroli F, Marino P, Matera K, Mattson ME, Mazzacane A, Mazzanti P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Michielin E, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Moon CS, Moore R, Morello MJ, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Nigmanov T, Nodulman L, Noh SY, Norniella O, Oakes L, Oh SH, Oh YD, Okusawa T, Orava R, Ortolan L, Pagliarone C, Palencia E, Palni P, Papadimitriou V, Parker W, Pauletta G, Paulini M, Paus C, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Poprocki S, Potamianos K, Pranko A, Prokoshin F, Ptohos F, Punzi G, Redondo Fernández I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodriguez T, Rolli S, Ronzani M, Roser R, Rosner JL, Ruffini F, Ruiz A, Russ J, Rusu V, Sakumoto WK, Sakurai Y, Santi L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt EE, Schwarz T, Scodellaro L, Scuri F, Seidel S, Seiya Y, Semenov A, Sforza F, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shochet M, Shreyber-Tecker I, Simonenko A, Sliwa K, Smith JR, Snider FD, Song H, Sorin V, St Denis R, Stancari M, Stentz D, Strologas J, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thomson E, Thukral V, Toback D, Tokar S, Tollefson K, Tomura T, Torre S, Torretta D, Totaro P, Trovato M, Ukegawa F, Uozumi S, Vázquez F, Velev G, Vellidis K, Vernieri C, Vidal M, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wallny R, Wang SM, Waters D, Wester WC, Whiteson D, Wicklund AB, Wilbur S, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfmeister H, Wright T, Wu X, Wu Z, Yamamoto K, Yamato D, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Zanetti AM, Zeng Y, Zhou C, Zucchelli S. High-precision measurement of the W boson mass with the CDF II detector. Science 2022; 376:170-176. [PMID: 35389814 DOI: 10.1126/science.abk1781] [Citation(s) in RCA: 77] [Impact Index Per Article: 38.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The mass of the W boson, a mediator of the weak force between elementary particles, is tightly constrained by the symmetries of the standard model of particle physics. The Higgs boson was the last missing component of the model. After observation of the Higgs boson, a measurement of the W boson mass provides a stringent test of the model. We measure the W boson mass, MW, using data corresponding to 8.8 inverse femtobarns of integrated luminosity collected in proton-antiproton collisions at a 1.96 tera-electron volt center-of-mass energy with the CDF II detector at the Fermilab Tevatron collider. A sample of approximately 4 million W boson candidates is used to obtain [Formula: see text], the precision of which exceeds that of all previous measurements combined (stat, statistical uncertainty; syst, systematic uncertainty; MeV, mega-electron volts; c, speed of light in a vacuum). This measurement is in significant tension with the standard model expectation.
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Shiba K, Daoud A, Kino S, Nishi D, Kondo K, Kawachi I. Uncovering heterogeneous associations of disaster-related traumatic experiences with subsequent mental health problems: A machine learning approach. Psychiatry Clin Neurosci 2022; 76:97-105. [PMID: 34936171 PMCID: PMC9102396 DOI: 10.1111/pcn.13322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 11/16/2021] [Accepted: 12/14/2021] [Indexed: 11/29/2022]
Abstract
AIM Understanding the differential mental health effects of traumatic experiences is important to identify particularly vulnerable subpopulations. We examined the heterogeneous associations between disaster-related traumatic experiences and postdisaster mental health, using a novel machine learning-based causal inference approach. METHODS Data were from a prospective cohort study of Japanese older adults in an area severely affected by the 2011 Great East Japan Earthquake. The baseline survey was conducted 7 months before the disaster and the 2 follow-up surveys were conducted 2.5 and 5.5 years after (n = 1150 to n = 1644 depending on the exposure-outcome combinations). As disaster-related traumatic experiences, we assessed complete home loss and loss of loved ones. Using the generalized random forest algorithm, we estimated conditional average treatment effects (CATEs) of the disaster damages on postdisaster mental health outcomes to examine the heterogeneous associations by 51 predisaster characteristics of the individuals. RESULTS We found that, even when there was no population average association between disaster-related trauma and subsequent mental health outcomes, some subgroups experienced severe impacts. We also identified and compared characteristics of the most and least vulnerable groups (ie, top versus bottom deciles of the estimated CATEs). While there were some unique patterns specific to each exposure-outcome combination, the most vulnerable group tended to be from lower socioeconomic backgrounds with preexisting depressive symptoms for many exposure-outcome combinations. CONCLUSIONS We found considerable heterogeneity in the association between disaster-related traumatic experiences and subsequent mental health problems.
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Ashida T, Fujiwara T, Kondo K. Childhood socioeconomic status and social integration in later life: Results of the Japan gerontological evaluation study. SSM Popul Health 2022; 18:101090. [PMID: 35572783 PMCID: PMC9092519 DOI: 10.1016/j.ssmph.2022.101090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 11/05/2022] Open
Abstract
Older people's social integration is important for their health and well-being. However, few studies have investigated the determinants of older adults' social integration through childhood socioeconomic status (SES). This study investigated the association between childhood SES and each aspect of social integration among Japanese older people. We used data from the Japan Gerontological Evaluation Study 2010, a self-reported survey of 23,320 functionally independent people aged 65 or older across Japan (response rate: 66.3%). Childhood SES was assessed based on respondents' subjective assessment of their SES at the age of 15. Social integration was identified as participation in community groups, social networks, being homebound, and being married. We used Poisson regression analysis with robust variance to investigate the association between childhood SES and each social integration measurement, adjusted for potential mediators; namely, adult sociodemographic characteristics, health status, health behavior (smoking), living status, and personality. Lower childhood SES had long-lasting impact on the social integration of this older Japanese cohort. In the fully adjusted model, older people with lower childhood SES were less likely to participate in community groups (Non-membership sports group or club, adjusted prevalence ratio [APR]: 1.03, 95% confidence interval [CI]: 1.00–1.06; (Non-membership hobby group, APR: 1.04; 95% CI: 1.00–1.09), almost never met friends (APR: 1.17, 95% CI: 1.11–1.24), had a smaller social network (APR: 1.13; 95% CI: 1.08–1.19), and were more likely to be homebound (APR: 1.24; 95% CI: 1.05–1.45) than those with high childhood SES. Lower childhood SES negatively affected social integration in older age. Mitigating childhood poverty might be important to increase social integration in later life, thereby improving health outcomes. Low childhood socioeconomic status impacts social integration in old age. Social networks were the most prevalent indicator of social integration. Mitigating childhood poverty could improve health outcomes in later life.
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Inoue A, Hiratsuka Y, Takesue A, Aida J, Kondo K, Murakami A. Association between visual status and the frequency of laughter in older Japanese individuals: the JAGES cross-sectional study. BMJ Open Ophthalmol 2022; 7:e000908. [PMID: 35415267 PMCID: PMC8948375 DOI: 10.1136/bmjophth-2021-000908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 03/11/2022] [Indexed: 11/04/2022] Open
Abstract
Objective Although the beneficial effects of laughter are abundantly reported, the physical function that is required as a premise for laughter has not been studied. The aim of this study is to investigate the association between visual status and frequency of laughter in a population-based sample of older adults. Methods and analysis We analysed cross-sectional data of community-dwelling independent individuals aged ≥65 years (n=19 452) in Japan. The outcomes were frequency of laughter and number of opportunities to laugh. We used multivariable logistic regression analysis with multiple imputations to investigate the association between visual status and laughter. Results The number of participants who laughed almost every day was 8197 (42.1%). After adjusting for individual covariates in the multivariable logistic regression analysis with multiple imputations, visual status was found to be significantly associated with the frequency of laugher and the number of opportunities to laugh (p for trend <0.01). Compare to 'normal vision', while excellent/very good vision was associated with increased frequency and number of opportunities to laugh (ORs: 1.72 and 1.25, respectively), poor vision decreased the frequency and number of opportunities to laugh (ORs: 0.86 and 0.87, respectively). Conclusions There is a link between visual impairment and laughter, with poor vision having a negative impact while good vision has a positive effect. Improving vision may lead to laughter promotion.
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Ihara S, Ide K, Kanamori S, Tsuji T, Kondo K, Iizuka G. Social participation and change in walking time among older adults: a 3-year longitudinal study from the JAGES. BMC Geriatr 2022; 22:238. [PMID: 35317737 PMCID: PMC8941795 DOI: 10.1186/s12877-022-02874-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 02/25/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Among all physical activities, walking is one of the easiest and most economical activities for older adults' mental and physical health. Although promoting social participation may extend the walking time of older adults, the longitudinal relationship is not well understood. Thus, this study elucidates the relationship between nine types of social participation and change in walking time during a 3-year follow-up of older adults. METHODS We conducted a 3-year community-based longitudinal study of independent older adults in Japan. From the 2016 and 2019 surveys, we extracted 57,042 individuals. We performed multiple regression analyses, estimating associations between change in walking time after three years and nine types of social participation in 2016: volunteer, sports, hobby, senior, neighborhood, learning, health, skills, and paid work. We conducted subgroup analysis stratified by walking time in 2016 (i.e., < 60 or ≥ 60 min/day). RESULTS The mean (standard deviation) change in walking time for 3 years was - 4.04 (29.4) min/day. After adjusting potential confounders, the significant predictors of increasing or maintaining walking time (min/day) were participation in paid work (+ 3.02) in the < 60 min/day subgroup; and volunteer (+ 2.15), sports (+ 2.89), hobby (+ 1.71), senior (+ 1.27), neighborhood (+ 1.70), learning (+ 1.65), health (+ 1.74), and skills (+ 1.95) in the ≥ 60 min/day subgroup compared with non-participants. CONCLUSIONS Paid work and community activities may be effective for maintaining or increasing walking time among older adults with less (< 60 min/day) and sufficient (≥ 60 min/day) walking time, respectively.
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Ishikawa N, Fujimura Y, Kondo K, Szabo GL, Wilhelm RA, Ogawa H, Taguchi T. Surface nanostructures on Nb-doped SrTiO 3irradiated with swift heavy ions at grazing incidence. NANOTECHNOLOGY 2022; 33:235303. [PMID: 35213855 DOI: 10.1088/1361-6528/ac58a5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
A single crystal of SrTiO3doped with 0.5 wt% niobium (Nb-STO) was irradiated with 200 MeV Au32+ions at grazing incidence to characterize the irradiation-induced hillock chains. Exactly the same hillock chains are observed by using atomic force microscopy (AFM) and scanning electron microscopy (SEM) to study the relation between irradiation-induced change of surface topography and corresponding material property changes. As expected, multiple hillocks as high as 5-6 nm are imaged by AFM observation in tapping mode. It is also found that the regions in between the adjacent hillocks are not depressed, and in many cases they are slightly elevated. Line-like contrasts along the ion paths are found in both AFM phase images and SEM images, indicating the formation of continuous ion tracks in addition to multiple hillocks. Validity of preexisting models for explaining the hillock chain formation is discussed based on the present results. In order to obtain new insights related to the ion track formation, cross-sectional transmission electron microscopy (TEM) observation was performed. The ion tracks in the near-surface region are found to be relatively large, whereas buried ion tracks in the deeper region are relatively small. The results suggest that recrystallization plays an important role in the formation of small ion tracks in the deep region, whereas formation of large ion tracks in the near-surface region is likely due to the absence of recrystallization. TEM images also show shape deformation of ion tracks in the near-surface region, suggesting that material transport towards the surface is the reason for the absence of recrystallization.
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Tsuji T, Kanamori S, Yamakita M, Sato A, Yokoyama M, Miyaguni Y, Kondo K. Correlates of engaging in sports and exercise volunteering among older adults in Japan. Sci Rep 2022; 12:3791. [PMID: 35260658 PMCID: PMC8904821 DOI: 10.1038/s41598-022-07688-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 02/23/2022] [Indexed: 01/02/2023] Open
Abstract
This study aimed to identify factors associated with engaging in sports and exercise volunteering among older adults. We used cross-sectional data from the Japan Gerontological Evaluation Study (JAGES), a nationwide mail survey of 20,877 older adults from 60 municipalities. Multilevel mixed-effects logistic regression analysis was used to investigate the correlation between engaging in sports and exercise volunteering and 39 variables classified into five factors: (1) demographic and biological, (2) behavioral, (3) psychological, cognitive, and emotional, (4) social and cultural, and (5) environmental factors. Among the analyzed samples, 1580 (7.6%) participants volunteered a few times/year or more often. Factors that showed positive association with the volunteering were older age, a current drinking habit, excellent self-rated health, high proportion of sports group participants in a living area, low municipal population density, and rich social and cultural features (i.e., social cohesion, support, network, and participation). Meanwhile, those that had a negative association were women, low level of education, deteriorated instrumental activities of daily living, having a past or current smoking habit, poor self-rated health, and depressive symptoms. We clarified the characteristics of the population that is more likely to participate in sports and exercise volunteering as well as those of the population that is less likely to participate and requires support.
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Tajika A, Ide K, Iizuka G, Tsuji T, Yokoyama M, Ojima T, Kondo K. [Does participation in community gatherings suppress aggravation of functional decline risk among older people? A study based on 2013-2016 data from the Japan Gerontological Evaluation Study]. [NIHON KOSHU EISEI ZASSHI] JAPANESE JOURNAL OF PUBLIC HEALTH 2022; 69:136-145. [PMID: 34759170 DOI: 10.11236/jph.21-011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Objective Through the amendment of the Long-Term Care Insurance Law in 2014, Japan's Ministry of Health, Labour and Welfare established a general long-term care and prevention project centered on "Kayoinoba" to promote participation in social and physical activities for older people, which included environmental approaches for individual health and well-being through community-building. However, reports show that the effectiveness of long-term care and prevention in Kayoinoba across multiple municipalities is limited. The purpose of this study was to verify the effect of participation in Kayoinoba in reducing the risk of functional decline among older people, using data from 24 municipalities of 10 prefectures nationwide.Methods This study examined self-administered mail survey data from the Japan Gerontological Evaluation Study. The participants were older people aged ≥65 years who lived in 24 municipalities of 10 prefectures, in 2013 and 2016. The dependent variable was an increase in total score of ≥5 points on a risk assessment scale predicting incident functional disability ("incident functional disability risk score")(Tsuji et al., 2018), and the explanatory variable was existence of participation in a Kayoinoba program. Nine variables were used as the covariates: educational attainment, equivalent income, depression, smoking, drinking, instrumental activities of daily living, incident functional disability risk score in 2013 (including sex and age), living status (whether the person lived alone), and employment status in 2013. We conducted Poisson regression analysis with stratification of the participants into two groups according to age: young older people and old older people. Sensitivity analysis of the possible increase of ≥3 or 7 points in the incident functional disability risk score was also conducted.Results Of the 3,760 participants in the study, 472 (316 young older people and 156 old older people)[12.6% (11.8%, 14.5%)] participated in Kayoinoba. Compared with those who did not participate in Kayoinoba, the incidence rate ratio (IRR) of increase in risk assessment score was 0.88 (95% confidence interval: 0.65-1.18) for all who did participate, 1.13 (0.80-1.60) in the young older people and 0.54 (0.30-0.96) in the old older people, and was significant in the latter. In addition, similar results were obtained in the sensitivity analysis with the dependent variable as an increase in total score of ≥3 or 7 points on the risk assessment scale predicting incident functional disability.Conclusions Compared with those who did not participate in Kayoinoba, functional decline risk was suppressed in those who did participate. The IRR was suppressed 46% in old older people. Promoting participation in Kayoinoba may effectively prevent the need for long-term care in old older people.
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Noguchi T, Ishihara M, Murata C, Nakagawa T, Komatsu A, Kondo K, Saito T. Art and cultural activity engagement and depressive symptom onset among older adults: A longitudinal study from the Japanese Gerontological Evaluation Study. Int J Geriatr Psychiatry 2022; 37. [PMID: 35124843 DOI: 10.1002/gps.5685] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 01/26/2022] [Indexed: 11/10/2022]
Abstract
OBJECTIVES Art and cultural activities can benefit mental health. However, there is insufficient evidence on active engagement in art and cultural activities for preventing depressive symptoms among older adults. Therefore, we examined the association of active engagement in art and cultural activities with depressive symptom onset among older adults using 3-year longitudinal data. METHODS This longitudinal study recruited non-institutionalised older adults independent in daily living from the Japan Gerontological Evaluation Study (JAGES) established in 2010, and those without depressive symptoms were followed for three years. Depressive symptoms were assessed using the 15-item Geriatric Depression Scale. Active engagement in nine art and cultural activities, including Japanese traditional cultural activities, were evaluated (musical performance, singing, dancing, handicrafts, painting, photography, poetry composition, calligraphy, and tea ceremony/flower arrangement). RESULTS Ultimately, 37,627 older adults without depressive symptoms at baseline were analysed. The participants' mean age (standard deviation) was 72.6 (5.5) years, and 51.5% were female. During the follow-up period, depressive symptoms occurred in 3844 participants (10.2%). Multivariable logistic regression analysis revealed that active engagement in art and cultural activities was inversely associated with depressive symptom onset (odds ratio = 0.80, 95% confidence interval = 0.73-0.87, p < 0.001). This association was confirmed regardless of age, gender, and socioeconomic status. Among the activities, especially dancing and photography were protective against depressive symptoms. CONCLUSION Active engagement in art and cultural activities may contribute to preventing depressive symptoms among older adults. Promoting art and cultural engagement could be important to protect their mental health.
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Sato K, Kondo N, Kondo K. Pre-pandemic individual- and community-level social capital and depressive symptoms during COVID-19: A longitudinal study of Japanese older adults in 2019-21. Health Place 2022; 74:102772. [PMID: 35228058 PMCID: PMC8872828 DOI: 10.1016/j.healthplace.2022.102772] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 12/12/2021] [Accepted: 02/15/2022] [Indexed: 12/12/2022]
Abstract
During a pandemic, it is important to know whether social capital can mitigate the risk of mental disorders, given the restrictions on social interactions. However, evidence using longitudinal data is scarce. This study examined the association between pre-pandemic social capital and depressive symptoms during COVID-19 among older adults. We used longitudinal data from the Japan Gerontological Evaluation Study (JAGES), including 8291 participants aged 65 or older who were physically and cognitively independent and not depressed at baseline. We conducted baseline and follow-up mail surveys in ten municipalities in Japan from November 2019 to January 2020 (pre-pandemic period) and from November 2020 to February 2021 (pandemic period), respectively. We measured depressive symptoms using the 15-item Geriatric Depression Scale. Social capital was measured with three validated subscales, namely, civic participation, social cohesion, and reciprocity. We performed a multilevel logistic regression analysis to examine the association. A total of 1089 (13.1%) participants newly developed depressive symptoms during the pandemic. The logistic regression showed that pre-pandemic individual-level social cohesion (odds ratio = 0.79, 95% confidence interval: 0.73 to 0.86) and reciprocity (0.89, 0.82 to 0.96) and community-level reciprocity (0.93, 0.88 to 0.98) were negatively associated with the odds of depressive symptoms. Even after adjusting for declines in social capital during the pandemic, the observed associations of pre-pandemic social capital remained. Fostering social cohesion and reciprocity may increase resilience to mental disorders during a pandemic of infectious disease.
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Kusama T, Kiuchi S, Tani Y, Aida J, Kondo K, Osaka K. The lack of opportunity to eat together is associated with an increased risk of weight loss among independent older adults: a prospective cohort study based on the JAGES. Age Ageing 2022; 51:6540137. [PMID: 35231092 DOI: 10.1093/ageing/afac022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE the present study aimed to investigate the relationship between the frequency of eating together and the risk of weight loss in older adults. METHODS this was a three-year follow-up prospective cohort study based on a self-reported questionnaire. We used data from the Japan Gerontological Evaluation Study (JAGES) conducted in 2016 and 2019. The participants were independent older adults aged ≥65 years in Japan. We used >5% weight loss during follow-up as the outcome variable and frequency of eating together as the explanatory variable. The relative risks (RRs) and 95% confidence intervals (95% CIs) were estimated based on the Poisson regression model with a Huber-White sandwich estimator for standard errors, including possible confounders. RESULTS among 56,919 participants, the mean age was 73.0 years (1SD = 5.5) at baseline, and 47.9% were male. About 15.1% (n = 8,596) of the participants experienced >5% weight loss during follow-up. The proportion of each category of the eating together frequency was 36.6% for 'every day', 10.3% for 'several times a week', 26.8% for 'several times a month', 20.5% for 'several times a year' and 5.8% for 'seldom'. Compared to 'every day', only 'several times a year (RR = 1.07, 95% CI = 1.01-1.13)' and 'seldom (RR = 1.17, 95% CI = 1.08-1.27)' were significantly associated with the increased risk of >5% weight loss. CONCLUSION there is a temporal association between less frequent opportunities to eat together and the increased risk of weight loss among independent older adults.
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Haseda M, Takagi D, Stickley A, Kondo K, Kondo N. Effectiveness of a community organizing intervention on mortality and its equity among older residents in Japan: A JAGES quasi-experimental study. Health Place 2022; 74:102764. [PMID: 35151182 DOI: 10.1016/j.healthplace.2022.102764] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 01/31/2022] [Accepted: 02/03/2022] [Indexed: 11/29/2022]
Abstract
Interventions that involve key aspects of community organizing, such as quantitative community assessments and organizational partnership support for the community, may promote residents' health. We evaluated the effectiveness of this form of intervention on mortality and its variability across individual-level household equivalized income tertiles, comparing 52,858 residents aged 65 and above in 12 intervention municipalities to 39,006 residents in nine control municipalities in Japan. During 1,166 days of follow-up, the adjusted hazard ratio for cumulative mortality among men in the intervention municipalities was 0.92 (95% confidence interval: 0.86, 0.99) compared to those in the control group, with similar results being observed across all income levels. Active utilization of data to evaluate communities and building intersectoral partnerships might lower older male residents' mortality risk, regardless of their income status.
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Fuji Y, Sakaniwa R, Shirai K, Saito T, Ukawa S, Iso H, Kondo K. The number of leisure-time activities and risk of functional disability among Japanese older population: the JAGES cohort. Prev Med Rep 2022; 26:101741. [PMID: 35310323 PMCID: PMC8924420 DOI: 10.1016/j.pmedr.2022.101741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 11/29/2022] Open
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