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We calculated attack rates for household contacts of COVID-19 patients during the SARS-CoV-2 Omicron BA.2-dominant period in Japan. Attack rates among household contacts without recent (<3 months) vaccination was lower for contacts of index patients with complete vaccination than for contacts of index patients without complete vaccination, demonstrating indirect vaccine effectiveness.
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Vacunas contra la COVID-19 , COVID-19 , Composición Familiar , SARS-CoV-2 , Eficacia de las Vacunas , Humanos , COVID-19/prevención & control , COVID-19/epidemiología , Japón/epidemiología , SARS-CoV-2/inmunología , Vacunas contra la COVID-19/inmunología , Vacunas contra la COVID-19/administración & dosificación , Vacunación , Trazado de Contacto , Masculino , FemeninoRESUMEN
OBJECTIVES: This study aimed to explore the bidirectional association between frailty and social relationships in older adults while distinguishing between interpersonal and intrapersonal effects. METHODS: A prospective cohort study of community-dwelling older adults was conducted in Japan in three waves spanning six years with follow-ups in every three years. Random intercept cross-lagged panel model was used to explore temporal associations between frailty and social relationships. RESULTS: Data for 520 participants (mean age 73.02 [SD 6.38] years, 56.7% women) were analyzed. Across individuals, frailty was associated with social relationships (ß = -0.514, p < 0.001). At the interpersonal level, frailty was cross-sectionally associated with social relationships separately at T1(ß = -0.389, p < 0.01), T2 (ß = -0.343, p < 0.001) and T3 (ß = -0.273, p < 0.05). Moreover, social relationships were associated with subsequent increases in symptoms of frailty in all measurement waves (ß = -0.332, p < 0.001; ß = -0.169, p < 0.01) and vice versa (ß = -0.149, p < 0.05; ß = -0.292, p < 0.001). CONCLUSIONS: The results suggest that frailty was associated with lower levels of social relationships. Frailty improvement programs can be combined with interventions to enhance social relationships, which will be beneficial in preventing frailty. The results emphasize the importance of combining clinical treatments of frailty with interventions to improve social relationships.
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Fragilidad , Humanos , Femenino , Anciano , Masculino , Japón/epidemiología , Fragilidad/epidemiología , Estudios Prospectivos , Relaciones Interpersonales , NonoxinolRESUMEN
[Purpose] In this study, we investigated the effects of local exercise facility use on physical function of Japanese community-dwelling older adults. [Participants and Methods] We analyzed data obtained from a cohort project initiated in 1991. The study included approximately 4,800 individuals from suburban areas of central Japan; we investigated 322 older individuals residing in Municipality A, who underwent physical fitness assessments in 2018 and 2019. We recorded participants' exercise facility use frequency and physical performance, based on handgrip strength, open-eye single-leg standing, timed up-and-go, and walking speed tests. [Results] Baseline values in the open-eye single-leg standing test were significantly higher in the no-use than in the low- and high-use groups. Follow-up assessments revealed that grip strength was significantly higher in the high-use than in the no- and low-use groups. [Conclusion] Active use of exercise facilities was positively correlated with maintenance and improvement in physical fitness among participants, which highlights the benefits of easily accessible exercise facilities in maintaining long-term physical function. Future studies should focus on functions that extend beyond physical fitness to develop effective support programs that address the evolving health needs of the aging population.
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BACKGROUND: Social relationships may be the key to successful aging among older adults. However, little is known about the variability of social relationships among community-dwelling older people. This study aimed to describe the patterns of social relationships and examine the differences in sociodemographic characteristics and mental and physical health status among these patterns. METHODS: We obtained the data from a questionnaire survey in 2017 for older adults aged 65 and above who lived in a suburban area in Japan. The Index of Social Interaction (ISI) was used to evaluate social relationships. The final sample comprised 964 people who were independently mobile and answered at least one item of the ISI. To clarify the patterns of social relationships, latent class analysis was performed with five subscales of ISI treated as indicator variables. Multinomial logistic regression was conducted to examine the factors associated with the patterns of social relationships. RESULTS: The patterns of social relationships were classified into three classes: "Active" (73.6%), "Socially isolated" (14.7%), and "Less motivated" (11.7%). Persons who had depressive symptoms were more likely to be allocated to the "Socially isolated" (Odds Ratio [OR] 1.80, 95% Confidence Interval [CI] 1.13-2.86) or the "Less motivated" groups (OR 1.69, 95% CI 1.00-2.85) compared to the "Active" group. In addition, men (OR 1.72, 95% CI 1.07-2.76) and those living alone (OR 3.07, 95% CI 1.43-6.61) were more likely to be allocated to the "Socially isolated" group. Moreover, those who were dependent, according to the instrumental activities and daily living functions, were more likely to be assigned to the "Socially isolated" (OR 2.19, 95% CI 1.21-3.97) or "Less motivated" (OR 6.29, 95% CI 3.47-11.39) groups. CONCLUSION: This study revealed the patterns of social relationships in older adults and suggested that there may be variations of social relationships among community dwellers. The results also indicated the necessity of assessing individual patterns of social relationships and devising strategies for each pattern in public health practice.
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Vida Independiente , Relaciones Interpersonales , Anciano , Estado de Salud , Humanos , Japón/epidemiología , Análisis de Clases Latentes , MasculinoRESUMEN
The diversity of child social skills development is not well detected among Asian countries. Culturally validated assessments are needed for practitioners to evaluate child social skills. This study tested the measurement invariance of the Social Skill Scale (SSS) across Japanese and Chinese samples and explored country differences in child social skills development. The SSS utilizes a widely used factor structure (assertion, self-control, and cooperation subdomains) and has established Japanese and Chinese versions. We conducted investigations with an identical process and materials with different language versions, collecting data from 931 Japanese kindergarten children (Mage = 4.35, SDage = 1.07; 53.6% boys) and from 1130 Chinese kindergarten children (Mage = 4.47, SDage = 1.00; 52.3% boys). We used multiple confirmatory factor analysis to test measurement invariance of the SSS and established the validity, reliability, and scalar measurement invariance for the first-order factor structure of the SSS across the two country samples. We also examined country differences on the associations between demographics, parenting practice, and child social skills development. We found that, compared to the Chinese sample, cooperation skills significantly increased more with age among the Japanese sample. However, spanking was negatively related to self-control skills development in both countries. Our findings contribute to the demonstration of the diversity of child social skills development and have important implications for assessing and developing child social skills using culture-specific strategies.
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A novel iron-oxidizing chemolithoautotrophic bacterium, strain ET2T, was isolated from a deep-sea sediment in a hydrothermal field of the Bayonnaise knoll of the Izu-Ogasawara arc. Cells were bean-shaped, curved short rods. Growth was observed at a temperature range of 15-30 °C (optimum 25 °C, doubling time 24 h) and a pH range of 5.8-7.0 (optimum pH 6.4) in the presence of NaCl at a range of 1.0-4.0 % (optimum 2.75 %). The isolate was a microaerophilic, strict chemolithoautotroph capable of growing using ferrous iron and molecular oxygen (O2) as the sole electron donor and acceptor, respectively; carbon dioxide as the sole carbon source; and either ammonium or nitrate as the sole nitrogen source. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that the new isolate was related to the only previously isolated Mariprofundus species, M. ferrooxydans. Although relatively high 16S rRNA gene similarity (95 %) was found between the new isolate and M. ferrooxydans, the isolate was distinct in terms of cellular fatty acid composition, genomic DNA G+C content and cell morphology. Furthermore, genomic comparison between ET2T and M. ferrooxydans PV-1 indicated that the genomic dissimilarity of these strains met the standard for species-level differentiation. On the basis of its physiological and molecular characteristics, strain ET2T (= KCTC 15556T = JCM 30585 T) represents a novel species of Mariprofundus, for which the name Mariprofundus micogutta is proposed. We also propose the subordinate taxa Mariprofundales ord. nov. and Zetaproteobacteria classis nov. in the phylum Proteobacteria.
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Proteobacteria/clasificación , Proteobacteria/aislamiento & purificación , Agua de Mar/microbiología , Crecimiento Quimioautotrófico , Ácidos Grasos/análisis , Respiraderos Hidrotermales , Hierro/metabolismo , Filogenia , Proteobacteria/genética , Proteobacteria/metabolismo , ARN Ribosómico 16S/genéticaRESUMEN
ObjectivesãRecently, social isolation has been reported to be a critical problem among Japanese elderly persons. However, few studies have compared social interaction in the past and the present or investigated its predictive factors. This study aimed to clarify the transitional changes in social interaction over 20 years and explore the factors related to social interaction focusing on the use of community resources.MethodsãThe participants were community-dwelling elderly persons aged 65 years and over. A survey was conducted 8 times from 1994 to 2014 in the suburban area of Tobishima, Japan. The Index of Social Interaction Scale was used and each subscale and the total score were calculated. Subsequently, the 2014 scores were compared with the 1994 scores using the Wilcoxon rank sum test. Logistic regression analysis was conducted to clarify the factors related to social interaction, focusing on the association between the use of community resources (local elderly management center, health care center, health promotion facility, library) in 2011 and social interaction 3 years later. Age, gender, disease, and mobility were also entered into the model as control variables.ResultsãComparing social interaction in 1994 and 2014, total scores were found to have significantly increased in all age groups. Independence scores significantly increased in the overall group and in females aged 75-84. Curiosity scores also increased in both males and females. These results show that social interaction has increased over 2 decades. In addition, the use of local elderly management and health care centers, and health promotion facilities was associated with total social interaction scores 3 years later.ConclusionãThe current study clarified changes in social interaction, both comprehensively and for each of its aspects, among community-dwelling elderly adults. Increasing social isolation has been reported in recent years; however, the current study showed that social interaction, including social curiosity and independence, has increased over 20 years. The effect of preventive intervention in local elderly management centers, health care centers, and health promotion facilities may be one of the causes for this increase.
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Vida Independiente , Relaciones Interpersonales , Anciano , Anciano de 80 o más Años , Femenino , Promoción de la Salud , Humanos , Japón , Masculino , Aislamiento Social , Encuestas y CuestionariosRESUMEN
BACKGROUND: Previous research has established links between corporal punishment and children's developmental problems, but few studies have investigated the moderating effect of positive parenting between corporal punishment and children's developmental difficulties in detail. This study investigated the buffering effect of parental engagement on the association between corporal punishment and children's emotional/behavioral problems. METHODS: The main caregivers completed the Evaluation of Environmental Stimulation Scale (EES), which is an evaluation of daily parenting behaviors, and the Strengths and Difficulties Questionnaire (SDQ), which evaluates children's developmental problems. RESULTS: Corporal punishment was associated with worse emotional and behavioral problems in children, whereas parental engagement in games or sports was associated with fewer emotional symptoms. Similarly, parental engagement in homework or housework significantly moderated the association between corporal punishment and children's behavioral problems. CONCLUSIONS: Parental engagement positively moderated the association between parental corporal punishment and children's developmental difficulties. This association varied with child gender.
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Cuidadores/psicología , Conducta Infantil/psicología , Emociones/fisiología , Responsabilidad Parental/psicología , Padres/psicología , Problema de Conducta/psicología , Castigo/psicología , Adulto , Niño , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Encuestas y CuestionariosRESUMEN
Cisplatin (CDDP) is a key drug in the systemic treatment of various solid tumors. Brand-name CDDP may differ across generic formulations considering various clinical parameters. Therefore, in this study, we aimed to assess the safety of a generic CDDP formulation. To compare brand-name CDDP with a generic formulation, the incidence of adverse events, especially renal toxicity, was investigated in 500 patients with thoracic malignancies who received chemotherapy with more than 60 mg/m2 of either brand-name or generic CDDP. We compared the maximum serum creatinine (Cr) level after chemotherapy in the 2 groups. The correlation coefficients between the pretreatment Cr and the maximum Cr after CDDP administration did not differ between brand-name CDDP and generic CDDP (0.610 and 0.644, respectively; p=0.528). Furthermore, the correlation coefficients did not differ in subgroup analysis according to sex or adjuvant therapy. The severity of adverse events was similar in the 2 groups. In conclusion, generic CDDP can safely be used as an alternative to brand-name CDDP in the clinical setting.
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Antineoplásicos/efectos adversos , Antineoplásicos/uso terapéutico , Cisplatino/efectos adversos , Cisplatino/uso terapéutico , Medicamentos Genéricos/efectos adversos , Medicamentos Genéricos/uso terapéutico , Neoplasias Torácicas/tratamiento farmacológico , Adulto , Anciano , Terapia Combinada , Femenino , Humanos , Masculino , Persona de Mediana Edad , Neoplasias Torácicas/terapia , Adulto JovenRESUMEN
OBJECTIVES: The prevalence of child abuse is increasing in Japan. Therefore, we need appropriate and practical approaches for implementing feasible prevention, early detection, and support services for abused children. The purpose of this study was to examine child-rearing anxieties and the home environment as factors affecting caregivers of suspected abused children who attend child-care centers . METHODS: First, we applied the millennium edition of the Japan Child and Family Research Institute (JCFRI) Child Rearing Support Questionnaire, and the Index of Child Care Environment (ICCE), for 1,801 caregivers whose children were enrolled in child-care centers based in City A. The millennium edition of the JCFRI Child Rearing Support Questionnaire measures difficulties in childcare for caregivers in terms of feelings, anxiety, and tendencies toward depression. The ICCE measures the quality and frequency of involvement of caregivers with their children and the child-care environment. Next, we interviewed the directors and child-care professionals in the centers to collect information on child abuse. The children were divided into two groups: abused and non-abused. The "abused group" consisted of the children whom the directors and professionals of the child-care centers suspected of being "possibly abused" and so had been placed under the protection of the center; furthermore, the center exchanged information with the City A Municipality "City A municipal government" about these children. We conducted Fisher's exact test to examine the relationship between the "abused group" and the "non-abused group," in relation to child-rearing anxiety and the children's home environments. Questionnaire scores from the two groups were assessed. We calculated odds ratios to examine the significant factors related to child abuse. Our dependent variable was child abuse, our main independent variables were items related to child-care difficulties and the child-care environment, and the moderating variables were age and gender. We used multiple logistic regression to assess the actual child abuse predictors. RESULTS: The odds ratios obtained by comparing the "abused group" with the "non-abused group" showed that the caregivers of children in the "abused group" had a 5.5-fold greater odds of saying, "I am riddled with uneasiness and awful feelings," and a 4.6-fold greater odds of saying, "I do not have anyone to look after my child except a child-care center." The moderating variables (age and gender) were not significant. CONCLUSION: Child-care professionals have a policy for ensuring there is concrete and usable support for caregivers, depending on the relationship between the abused child and the difficulties present in the child's environment. We suggest that awareness of these relationships can be promoted as an aid for early child abuse detection, support, and prevention.
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Ansiedad , Cuidadores/psicología , Maltrato a los Niños , Cuidado del Niño , Niño , Preescolar , Femenino , Servicios de Atención de Salud a Domicilio , Humanos , Lactante , Masculino , Relaciones Padres-Hijo , Encuestas y CuestionariosRESUMEN
OBJECTIVE: This study aimed to explore the direct and indirect effects of social frailty on functional state trajectories mediated by subjective cognitive function in older adults. DESIGN: Longitudinal study. SETTING AND PARTICIPANTS: Overall, 514 adults aged ≥65 years living in a suburban area of central Japan were included in this study. METHODS: Five-item social frailty index (going out, visiting, feeling helpful, living alone, and talking to others), subjective cognitive function from the Kihon Checklist, and instrumental activities of daily living disability. Latent growth curve models were applied to examine the longitudinal relations among the variables. RESULTS: During the 6-year follow-up in latent growth curve models, the initial level of social frailty in older adults was negatively associated with that of functional status (ß = -0.53, P < .001), and the rate of change in social frailty was negatively associated with that in functional status (ß = -0.78, P < .001). In the mediation model, the indirect effect from the social frailty level to functional status level through subjective cognitive function level was significant (ß = -0.14, 95% CI -0.29, -0.09); the rates of change in subjective cognitive function mediated the relationship between those in social frailty and functional status (ß = -0.35, 95% CI -0.46, -0.25). CONCLUSIONS AND IMPLICATIONS: This study found that there is an association between social frailty and functional status in Japanese older adults. Subjective cognitive function mediated this relationship. Hence, additional research is required to investigate additional potential factors linking social frailty and functional status in order to gain a better understanding of the underlying mechanisms.
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Actividades Cotidianas , Anciano Frágil , Estado Funcional , Evaluación Geriátrica , Humanos , Anciano , Masculino , Femenino , Japón , Estudios Longitudinales , Anciano de 80 o más Años , Anciano Frágil/psicología , Anciano Frágil/estadística & datos numéricos , Cognición/fisiología , Fragilidad/psicología , Pueblos del Este de AsiaRESUMEN
BACKGROUND: Understanding patterns of health service utilization can improve health care and increase use of health services. We examined patterns of health service utilization among residents of Ulaanbaatar, Mongolia. METHODS: A total of 500 adults were surveyed using paper-based questionnaires. The χ(2) test and multiple logistic regression were used to identify associations between factors. RESULTS: 44.1% of respondents had visited a physician during the previous 12 months. After controlling for determinants, the significant predictors of utilization of health service were attention to health examinations (OR = 3.6, CI: 1.93-6.76), being married (OR = 2.7, CI: 1.50-4.72), being satisfied with the overall cleanliness of the hospital (OR = 2.4, CI: 1.12-5.19), being a nonsmoker (OR = 2.2, CI: 1.21-3.98), having periodic physical examinations (OR = 2.2, CI: 1.25-3.71), not being a hospital patient during the previous 3 years (OR = 2.1, CI: 1.22-3.73), having proper documentation (OR = 1.9, CI: 1.10-3.43), having medical insurance (OR = 1.9, CI: 1.96-3.28), not wanting to receive information on food and nutrition (OR = 0.6, CI: 0.36-0.96), having more than 5 household members (OR = 0.5, CI: 0.50-0.85), low income (OR = 0.5, CI: 0.30-0.85), lack of concern for food and nutrition (OR = 0.5, CI: 0.28-0.84), self-medication during the past 12 months (OR = 0.4, CI: 0.24-0.69), and desire for treatment abroad (OR = 0.4, CI: 0.20-0.60). CONCLUSIONS: A number of health-related behaviors and sociodemographic factors were important predictors of health service utilization.
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Servicios de Salud/estadística & datos numéricos , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Estudios Transversales , Características Culturales , Femenino , Encuestas de Atención de la Salud , Estado de Salud , Humanos , Masculino , Persona de Mediana Edad , Mongolia , Satisfacción del Paciente , Factores Socioeconómicos , Adulto JovenRESUMEN
Objectives: This study aimed to examine the longitudinal association between social relationships and physical functioning among community-dwelling older adults with chronic conditions. Methods: Self-reported questionnaires were distributed and collected between 2014 and 2017 from participants ≥65 years old. The Index of Social Interaction was used to evaluate social relationships and the instrumental activities of daily living (IADL) subscale of the Tokyo Metropolitan Institute of Gerontology Index of Competence was used to examine functional status. Results: A total of 422 participants (190 males and 232 females) were included in the final analysis. High social relationships demonstrated significant adverse effects (odds ratio [OR] = 0.77, 95% confidence interval [CI]: 0.64-0.93) on the decline of IADL in the overall sample, particularly for females (OR = 0.71, 95% CI: 0.55-0.93) but not as much for males (P = 0.131). Conclusion: This finding suggests that functional limitation was influenced by social relationships among disabled older adults and the influence of social relationships on functional limitation differed based on gender.
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Actividades Cotidianas , Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos , Femenino , Masculino , Humanos , Anciano , Relaciones Interpersonales , Oportunidad Relativa , AutoinformeRESUMEN
Objectives: This study aimed to examine the long-term effects of parenting practice during preschool years on children's movement performance in primary school. Methods: This three-year longitudinal study included 225 children aged 3-6-years-old. Parents reported baseline parenting practice and evaluated children's movement performance three years later. Latent class analysis was used to explore latent classes of movement performance. A post hoc test was used to identify the characteristics of different patterns. Finally, adjusted multinomial logistic regression models were used to test the influence of parenting practice on identified patterns of movement performance. Results: Children in this study were grouped into three movement performance patterns, labelled as 'least difficulties' (n = 131, 58.2%), 'low back pain' (n = 68, 30.2%) and 'most difficulties' (n = 26, 11.6%). After controlling for age, gender, having siblings or not, family structure, standardised body mass index, sleep condition and dietary habits, the researchers found that if parents played games with children frequently, the children would have a 0.287 times lower probability of being in the 'low back pain' class (95% confidence interval [CI]: 0.105-0.783). In addition, if parents take children to meet peers of a similar age frequently, children would have a 0.339 times lower probability of being in 'most difficulties' class (95% CI: 0.139-0.825). Conclusion: Primary healthcare providers should pay careful attention to children with movement difficulties. The study provides longitudinal evidence to support the applicability of positive parenting practice in early childhood to prevent children's movement difficulties.
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Pueblos del Este de Asia , Responsabilidad Parental , Rendimiento Físico Funcional , Niño , Preescolar , Humanos , Dolor de Espalda , Análisis de Clases Latentes , Estudios LongitudinalesRESUMEN
This study aimed to explore all the relevant subtypes of cognitive frailty among Japanese community-dwelling older adults with multimorbidity. Moreover, it examined the associations between these potential subtypes of cognitive frailty and social relationships. This study targeted relevant cross-sectional data regarding community-based older adults with multimorbidity. It employed a person-centered method to perform a latent class analysis and explore the subtypes of cognitive frailty among older adults. Moreover, a multinominal logistic regression analysis was employed to examine the association between potential subtypes of cognitive frailty and social relationships. Data for 396 participants (mean age, 75.8 [SD, 7.3] years; 51.3% females) were analyzed. Three cognitive frailty subtypes were subsequently revealed: the robust group (42.0%), the group with partial cognitive frailty (38.6%), and the group with cognitive frailty (19.4%). People with high levels of social relationships were more likely to be in the robust and the partial cognitive frailty groups. This study identified different subtypes of cognitive frailty among multimorbid older adults and highlighted the significance of social relationships. These findings could serve as a reference for conceptualizing cognitive frailty through the person-centered method. Promoting a high level of social relationships could be useful to prevent the cognitive frailty among older adults with multimorbidity.
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We conducted a study to investigate the proportion of patients with asymptomatic coronavirus disease 2019 (COVID-19) infected with the Delta variant compared with those infected with the wild-type strain at the time of confirmation. A total of 504 patients with confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection by viral transmission through household contact in Ibaraki, Japan were included. The proportion of asymptomatic COVID-19 patients at the time of confirmation was compared between patients infected with L452R mutation strain from June to September 2021 and those infected with the wild-type strain from November 2020 to January 2021, and was found to be 14.2% and 28.8%, respectively (relative risk, 0.49; 95% confidence interval, 0.35-0.70). The proportion of asymptomatic COVID-19 patients by viral transmission through household contact was lower among the Delta variant than those among the wild-type strain at the time of confirmation. It might contribute to attenuation of transmission.
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This study investigated the household secondary attack rate (HSAR) of patients with coronavirus disease (COVID-19) during the omicron variant-dominant period. The HSAR of COVID-19 cases during the omicron variant-dominant period (4-20 January 2022) was calculated and compared with the delta variant-dominant period (20 August to 7 November 2021) in Itako, Japan. In Itako, all 47 and 119 samples tested during the omicron and delta variant-dominant periods were negative and positive, respectively, for the L452R mutation. We used a generalized estimating equation regression model. The HSAR was 31.8% (95% confidence interval (CI) 27.7-36.2) for 456 household contacts during the omicron variant-dominant period; it was higher than that during the delta variant-dominant period (25.2%) (adjusted risk ratio [aRR] 1.61, CI 1.13-2.28). During the omicron variant-dominant period, HSAR was lower for the household contacts of completely vaccinated index patients (27.3%) than for contacts of other index patients (41.2%) (vaccine effectiveness for infectee 0.43, 95% CI 0.16-0.62) and was significantly higher for female contacts than for male contacts (36.2% vs. 26.1%; aRR 1.29, 95% CI 1.01-1.65). The HSAR was significantly higher during the omicron variant-dominant period than the delta variant-dominant period. The vaccination of index patients might protect household contacts.
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COVID-19 , COVID-19/epidemiología , Femenino , Humanos , Incidencia , Japón/epidemiología , Masculino , SARS-CoV-2/genéticaRESUMEN
Strong relationship exists between loneliness and depression in older adults. However, the effect of multifaceted social relationships on the relationship between loneliness and depression has not been explored. The purpose of the current study was to find out how multifaceted social relationships affect the aforementioned processes. We investigated and evaluated the loneliness status, depression symptoms, social relationships, and demographic information of 1116 older adults aged ≥65 years living in rural Japan. The final 555 participants were included in the analysis. Statistical evidence showed a direct effect between loneliness and depression symptoms. Additionally, the mediation model found that social curiosity and participation acted as mediators between loneliness and depression symptoms. Further, independence and participation, independence, and feeling safe played a conditional moderating role in the model of loneliness-social curiosity-depression symptoms and loneliness-participation-depression symptoms, respectively. Interaction can be an individual moderator in the link between loneliness and depression symptoms without any mediator. The moderated mediation model suggests that social curiosity and participation could mediate the association between loneliness and depression symptoms. In this process, independence, participation, and feeling safe may act as moderators.
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BACKGROUND: Social relationships are associated with physical function. However, little scholarly attention has been focused on the effect of changing social factors on physical function. PURPOSE: This study was designed to examine the effects on physical function of changes in social relationships in adults aged 65 years and older. METHODS: This study is part of a longitudinal, prospective cohort study that was conducted on community-dwelling older adults in a suburban area of central Japan. Baseline self-report data were collected in 2011, and a follow-up survey was conducted in 2017. Social relationships were assessed using the Index of Social Interaction, and physical function was evaluated using a subscale of the Kihon Checklist. Chi-square tests, Mann-Whitney U tests, and multiple logistic regression analysis were used to analyze data from 442 older adults who were functionally independent at baseline. RESULTS: After controlling for covariates in 2011, negative changes in social relationships (odds ratio [ OR ] = 3.20, 95% CI [1.18, 8.69]) were found to be associated with physical function decline. Moreover, 1-point increases in the different social-relationship values between baseline and follow-up were associated with protective effects against functional decline ( OR = 0.71, 95% CI [0.63, 0.80]). Furthermore, median trends between baseline and follow-up revealed associations between decreasing ( OR = 4.18, 95% CI [1.53, 11.39]) and continuously low ( OR = 2.98, 95% CI [1.42, 6.28]) social relationships and physical function decline. CONCLUSIONS/IMPLICATIONS FOR PRACTICE: The findings support a strong association between negative changes in social relationships and physical function decline and highlight the importance of promoting social relationships to delay physical function decline in older adults.
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Vida Independiente , Relaciones Interpersonales , Anciano , Humanos , Japón , Estudios Longitudinales , Estudios Prospectivos , Autoinforme , Encuestas y CuestionariosRESUMEN
Objectives: This study aimed to evaluate food consumption frequency in 1-6-year-olds as an eating behaviour-related predictor of behavioural problems over a span of six years. Eating behaviour in early childhood serves as a foundation for future health outcomes. Diet patterns can have long-term beneficial or adverse effects on social behaviour development. Methods: This longitudinal study was performed based on information obtained between July 2011 and August 2017 provided from a project named 'Community Empowerment and Care for Wellbeing and Health Longevity' initiated in 1991; the current study involved 124 mother-child dyads from the project. Children aged 1-6 years were studied in July 2011, with a follow-up assessment in August 2017. The primary exposure examined was the frequency of food items intake. The primary outcome was behaviour problems as assessed by the Strengths and Difficulties Questionnaire (SDQ). Results: The adjusted results suggested that a higher intake of leafy green and light-coloured vegetables were significantly associated with decreased odds of conduct problems and prosocial behaviour problems in Japanese children. However, no associations were observed among fruits, milk, small fish, eggs, soybeans, seaweed and any SDQ subscales. Conclusion: This study shows that eating leafy green and light-coloured vegetables may have a protective effect on a child's conduct and against prosocial behaviour problems. Due consideration should be given to children's eating habits in the early stages of their lives to ensure better mental health.