Background With the rapid development of population ageing, the international community has been paying more attention to the health problems of older adults and the age-friendly community. But there has not been enough discussion about the internal mechanism of the community-built environment that influences the health of older adults. The aim of our study was to explore the complex relationships among community-built environment, social participation, outdoor exercise, and health of older adults, as well as the differences among older adults in different income groups, particular attention was paid to the situation of low-income group. Methods This study used descriptive statistical analysis and structural equation Modeling (SEM) to make a group comparison among older adults in different income groups. The data of this study came from a sample survey in Shanghai, China. Results The study found that health difference exists among older adults in China: the lower the income, the worse the community-built environment, the worse the health. The community-built environment had an important impact on the health of older adults, especially the low-income older adults. And the community-built environment influenced the health of older adults through the intermediary role of outdoor exercise and social participation. Furthermore, the lower the income level of older adults, the stronger the direct effect of the community-built environment on their health; the higher the income level of older adults, the stronger the mediating effect of outdoor exercise and social participation on the impact of the community-built environment on their health. Conclusion Governments should pay more attention to the health and living conditions of low-income older adults and take proactive steps to help them. Community design and construction should pay more attention to the demands of low-income older adult groups, which will help to improve the health inequality of older adults, consequently enhancing older adults’ overall health.
The present investor sentiment detection relies mainly on the data from security exchange market, such as the discount of closed-end fund, the premium rate on the first day of IPO and other indexes. Although they can directly substitute for investor sentiment, those indexes lack objectivity and timeliness, and thus cannot provide precise evaluation over investor sentiment. With the development of information technology, people gradually engage in recreational activities and make friends via the Internet, and express their own opinions based on the on-line information. In this regard, the influence from investor focus and investor sentiment in the on-line social media upon stock market has been explored from the perspective of big data on line. According to analysis on investor sentiment and dynamics concerning stock market earnings, those two indexes are positively correlated and the stock market fluctuates sharply in a short period of time. Sound countermeasures should be taken to enhance the safeguard against such fluctuations.
The outbreak of COVID-19 at the end of 2019 triggered more psychological problems than usual among the public. During this epidemic, the use of social media was very high, and several studies confirmed a positive correlation between social media use and people’s psychological problems. The Chinese government has subsequently implemented a series of policies concerning the social media environment to tackle this “infodemic”. After the containment of the first COVID-19 outbreak, China saw a new wave of COVID-19 cases in Shijiazhuang, Hebei Province in January 2021. How the optimized social media could have impacted public mental health remained to be revealed. Our research data come from an online survey of Chinese residents during the regional epidemic in Shijiazhuang, with a total of 904 valid samples from 18 different provinces in China. The results showed that this new round of outbreaks caused a high incidence of depression (38.9%) among the public. Compared with relatively advantaged groups, disadvantaged groups have a higher depression. Attributed to the optimization of the social media environment, the prevalence of social media use during the epidemic helped to markedly mitigate anxieties from depression. This is particularly demonstrated in vulnerable groups. We found, for the first time, a change in the relationship between social media use and resident depression, and more importantly, a stronger correlation between social media use and depression in relatively disadvantaged groups. Therefore, during the epidemic, actively optimizing the social media environment has a significant and positive effect on the mental health of residents, especially vulnerable groups.
Background:The international community has been paying attention to the health problems of the elderly and the age-friendly community of the elderly as the population ages, but there has not been enough discussion about the internal mechanism of the community-built environment to influence the health of the elderly. Methods: In this study, descriptive statistical analysis, and structural equation Modeling (SEM) were used to make a group comparison between the elderly of different income groups. The data from this study, came from a sample survey in Shanghai, China. The study investigated the complex relationship among the community-built environment, social participation, outdoor exercise, and the health of the elderly, with a focus on the differences between in the elderly with different incomes level. Results: The study found that health difference exists among the elderly in China: the lower the income, the worse the living environment, the worse the health. Community built environment has an important impact on the health of the elderly. And the community-built environment influences the elderly's health through the intermediary role of outdoor exercise and social participation. Furthermore, the lower the elderly's income level, the stronger the direct effect of the community-built environment on their health; the higher the elderly's income level, the stronger the mediating effect of outdoor exercise and social participation on the impact of the community-built environment on their health. Community built environment play a more important role on the low-income elderly healthy.Conclusion: Governments should pay more attention to the health and living conditions of low-income elderly and take proactive steps to help them. Community design and building should pay more attention to the demands of low-income elderly groups, which will help to improve the health inequality of the elderly, consequently enhancing their overall health.
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