Research indicates that integration contributes to maintaining health among migrants, yet little is known about the association between integration and vaccination acceptance. This study aimed to explore COVID-19 vaccine intention and acceptance, and the association between integration and vaccine hesitancy among migrants in Japan. We conducted an internet survey among migrants in Japan from October 5 to October 14, 2021. Among 1,455 participants, 11.6% reported hesitancy toward COVID-19 vaccination. We found that the overall integration and social integration were associated with the vaccination intention. Some commonly identified barriers (e.g., financial difficulties, language) were not related to COVID-19 vaccination acceptance among migrants in Japan. Highly integrated migrants were less likely to report vaccine hesitancy against COVID-19. To promote COVID-19 acceptance among migrants, customized intervention policies should focus on the migrants with a lower level of integration, especially those with little social connection with the locals.

This study investigated the psychological conditions of Chinese international students in Japan during the COVID-19 pandemic, and the association between different forms of social capital and psychological outcomes (i.e., worries about being infected, subjective wellbeing, loneliness, and psychological coping responses). In our study, different forms of social capital refer to bonding social capital originating from host national and co-national networks, bridging social capital, and maintained social capital. A web-based cross-sectional survey was conducted in January 2021. Our results demonstrated that the effects of social capital on psychological conditions differed according to its form. Worries about being infected, loneliness, and negative coping had negative associations with bonding social capital originating from host national network, but no associations with bonding social capital originating from co-national network, bridging social capital, and maintained social capital. Subjective wellbeing had a positive relationship with social capital originating from host national network and bridging social capital. Positive coping was only significantly associated with bridging social capital. To help international students cope better with the pandemic, efforts are required to strengthen their host national networks and expand their weak-tie networks.

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Little is known about information seeking and its influence on preventive behaviors among immigrants in Japan, despite their vulnerabilities during the coronavirus disease 2019 (COVID-19) pandemic. This study investigated information seeking about COVID-19, and examined differences with compliance with preventive measures between immigrants and the host population in Japan based on an Internet survey conducted in October 2021. We used chi-squared tests to determine the difference in information seeking and preventive behaviors between the two groups, and Poisson regression with robust standard errors to examine the association between information seeking and compliance with preventive measures. Our results show that, although the overall tendencies of information seeking and the preventive behaviors of immigrants were similar to those of the Japanese, significant differences were identified in some behavior: immigrants were more likely to acquire COVID-19 information from social networking services (SNS) and official websites in Japan, and maintain physical distance and ventilation than Japanese locals. Furthermore, immigrants’ sources of information diversified according to their sociodemographic characteristics (e.g., educational level, Japanese language skills, length of residence in Japan, and country or region of origin). Additionally, the effects of information seeking on preventive actions against COVID-19 differed according to the information sources; some information sources (e.g., SNS) had different impacts on preventive behaviors between immigrants and Japanese locals. Obtaining information from traditional media and Japanese official websites increases engagement with all five preventive measures among immigrants and four measures among the Japanese. The study highlights the importance of customized health policies for immigrants according to their behavioral tendencies.

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Many farmers lost their land and resettled in urban areas because of the rapid urban expansion of China. Although many studies have investigated the livelihood conditions of farmers after their resettlement, very little is known about their long-term outcomes. Based on a questionnaire survey, this study investigated the economic and spatial integration of land-lost farmers living in urban areas for more than ten years. Further, this study also examined the association between their economic and spatial integration. Our survey results indicate that the economic and spatial integration of the offspring from land-lost households were low. Although the educational level of the offspring was higher compared to the previous generation, there were still considerable disparities between them and other urbanites. Additionally, although their employment rate was improved, the quality of their occupations was not significantly enhanced, with unskilled or semi-skilled jobs being the most common. Furthermore, nearly half of the offspring reported a relatively low level of spatial integration (still living in the collective resettlement neighborhoods), which is influenced by demographic characteristics, family characteristics, and economic integration. To achieve sustainable urbanization, efforts should be made to improve the employment qualities and the residential mobility of land-lost households.