Evaluation of planned number of children, the well-being of the couple and associated factors in a prospective cohort in Yokohama (HAMA study): study protocol.

INTRODUCTION: Many developed countries including Japan are experiencing declining birth rates, particularly in urban areas. A gap between the planned number of children and the actual number of children exists, that is attributed to various factors such as: childcare leave and employment policies, childcare services, financial support, husbands' contributions to household chores and childcare, marriage support, community, and couples' well-being. Therefore, we propose HAMA study for having a baby, parenting, and marriage life (HAMA = 'H'aving 'A' baby, parenting, and 'MA'rriage life) in Yokohama (an urban area) to examine these issues. METHODS AND ANALYSIS: In this large-scale cohort study, we will elucidate the actual situation of families and child-rearing in Yokohama, evaluate the current policies and propose future measures to prevent a decline in the birth rate. Overall, 10 000 young married couples (wives aged 20-39 years as of 2022) will be randomly selected, and a survey form will be sent to them annually. They will be followed-up for 5 years to examine the factors associated with the planned number of children, well-being of the couple, childcare support policies, externalisation of housework and childcare, fathers' participation in housework and childcare, wives' free time, loneliness and social connectedness, relationship with the spouse and if they are working, questions regarding their work style and work-life balance will also be included. Ultimately, a conceptual model of the planned number of children and associated factors will be developed. ETHICS AND DISSEMINATION: This study has been approved by the Ethics Committee of Yokohama City University (reference number: 2022-10) and will be conducted following appropriate ethical guidelines. Opportunities to withdraw consent to participate in the survey are provided to participants. The results of this survey will be published as research papers in relevant journals and will be reported to the administration of Yokohama city and other agencies.

Determinants of Self-Rated Health Disparities among Independent Community-Dwelling Older Adults: An Age-Stratified Analysis.

In response to the distinctive healthcare requirements of independent, healthy, community-dwelling older adults in Japan and other developed countries with aging populations, the current study examined the differences in factors associated with self-rated health (SRH) between the following two age groups: young-old (65-74) and old-old (75 and above). Age-stratified analysis was used to provide a comprehensive understanding of the unique health challenges faced by these demographic segments and to inform the development of targeted interventions and health policies to improve their well-being. The results of a cross-sectional study of 846 older adults in Yokohama, Japan, who completed self-administered questionnaires, revealed that high SRH was consistently linked with the low prevalence of concurrent medical issues in both age groups (<75 and ≥75) (ß: -0.323, p < 0.001 in the <75 group; ß: -0.232, p < 0.001 in the ≥75 group) and increased subjective well-being (ß: 0.357, p < 0.001 in the <75 group; ß: 0.244, p < 0.001 in the ≥75 group). Within the ≥75 age group, higher SRH was associated with more favorable economic status (ß: 0.164, p < 0.001) and increased engagement in social activities (ß: 0.117, p = 0.008), even after adjusting for age, sex, and economic status. These findings may inform the development of targeted interventions and policies to enhance the well-being of this growing population in Japan and other developed countries.

Subjective Well-Being and Related Factors among Independent, Healthy, Community-Dwelling Older Adults in Japan.

(1) Background: Subjective well-being (SWB) is internationally recognized as an important health-related factor for most age groups and is particularly influential for life quality and expectancy in independent, healthy, community-dwelling older adults. However, the physical function and community participation correlates of SWB in independent living older adults in super-aging societies and other influencing factors remain underexplored. (2) Methods: A total of 926 independent, healthy, community-dwelling older adults aged 65 years and above registered in Yokohama, Japan, were included. Respondents' mean age was 78.1 years (standard deviation = 6.7), and 74.0% were women. The dependent variable was SWB. The independent variables were respondents' demographic characteristics, physical factors (visual, hearing, and cognitive functions, and mobility), and community and social factors (participation in community groups, social networks, and community commitment. (3) Results: The mean (standard deviation) WHO-5 score was 16.3 (5.1). Significant factors associated with WHO-5 score were visual function (odds ratio [OR]: 0.708; 95% confidence interval [CI]: 0.352-0.690), hearing function (OR: 0.615; CI: 0.431-0.878), community groups (OR: 1.310; CI: 1.003-1.059), community commitments (OR: 1.180; CI: 1.132-1.231), and social networks (OR: 1.525; CI: 1.142-2.037) adjusted for the effects of demographic factors. (4) Conclusions: These findings are important because factors associated with SWB are likely to contribute to individual well-being and longevity and to developing a healthy super-aged society.

Factors associated with community commitment among older adults: a stratified analysis of community group leaders and members.

BACKGROUND: Community commitment through group activities in the community is associated with improved health outcomes in older adults and has a ripple effect on community development. However, factors associated with community commitment through group activities in the community have not been examined. The purpose of this study was to examine individual factors and group-related factors in association with community commitment among older adult leaders and members of community groups in Japan. METHODS: We mailed self-administered questionnaires to all older adults participating in a community group (N = 1,898) in a ward of Yokohama city, the largest designated city in Japan. Variables included demographic characteristics, community commitment (Community Commitment Scale), individual factors, and group-related factors. We used logistic regression analysis to assess the association among study variables. RESULTS: A total of 1,154 people completed the questionnaire. The valid response rate was 48.8%. Respondents' mean age was 78.3 years (standard deviation [SD] = 6.1, range 65-100 years), 79.6% were women, 55.9% were married, and 10.0% were employed. Factors associated with community commitment among group leaders were scores for self-efficacy in the health promotion scale (SF-15; mean ± SD: 48.5 ± 7.1), 5-item World Health Organization Well-Being Index (mean ± SD: 17.9 ± 4.3), and Lubben Social Network Scale, Japanese version (mean ± SD: 19.5 ± 6.9), as well as a perception of deriving pleasure from group participation (mean ± SD: 91.2 ± 9.4). Factors associated with community commitment among group members were economic status (Sufficient; n [%]: 749 [85.9]), frequency of going out (mean ± SD: 5.1 ± 1.8), years of group participation (mean ± SD: 6.2 ± 5.0), and perceptions of their role in the group (Yes; n [%]: 254 [30.4]) as well as the above factors for leaders. A supplementary qualitative analysis of participants' free-text responses extracted seven categories: community support, resource mobilization, partnership action, asset management, participatory decision-making, linkages and networking, and community dissemination, related to perception of a role in the group. CONCLUSION: Our results emphasize the importance of considering the different associations of community commitment through group activities in the community between group leaders and members, including the role of older adults in community groups, and suggest different approaches for group leaders and members.

Development of a family caregiver needs-assessment scale for end-of-life care for senility at home (FADE).

AIM: This study aimed to develop a "family caregiver needs-assessment scale for end-of-life care for senility at home" (FADE) and examine its reliability and validity. METHOD: A draft item pool was developed based on a literature review, and simplified to 30 items in four domains. Next, the item pool was reviewed by four visiting nurses and four researchers and refined to 15 items. A cross-sectional study was then conducted using a self-reported questionnaire. Questionnaires were sent to 2703 visiting nurses. The survey questions included participants' basic demographic information, the importance of each item according to a modified scale, basic demographics for cases of death by senility at home, satisfaction with each item of the modified scale in an example case, and assessment of the case using the Japanese version of the Support Team Assessment Schedule (STAS-J). Internal consistency was assessed using Cronbach's alpha. Construct validity was confirmed using confirmatory factor analysis, and correlation between the new scale and the STAS-J was used to assess criterion-related validity. RESULTS: In total, 461 visiting nurses provided valid responses. The exploratory and confirmatory factor analyses identified 12 items from two factors: "Needs for adaptation to senility bereavement" and "Needs for essential skills in supporting a dignified death by senility." The final model showed appropriate index values: standardized root mean residual = 0.057, Tucker-Lewis index = 0.920, Akaike information criterion = 191.6, and Bayesian information criterion = 298.2. Cronbach's alpha for the entire scale was 0.908, and was above 0.840 for each factor. The correlation coefficient between STAS-J and the entire scale was 0.259-0.427 (p<0.001). CONCLUSIONS: The FADE scale showed acceptable internal consistency and concurrent validity. The scale can help clarify issues and desires that present themselves at home related to adaptation to senility bereavement and essential skills in supporting a dignified death by senility. Addressing these issues and desires is expected to reduce caregivers' anxiety and burden, and means the older adults under their care may be respected and enabled to live with dignity and peace.