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Social media have become an important platform for health promotion. Based on the Information-Community-Action Framework, we conducted a content analysis of 1,481 Facebook postings by Singapore's Health Promotion Board. Results showed that organizational information and health benefit information dissemination were positively associated with online audience engagement. Also, organization-audience interaction had a positive relationship with online audience engagement. In addition, messages that help build confidence for health behavior change increased online audience engagement. In addition to these main effects, organization-audience interaction also played a moderating role that strengthened the effects of information dissemination and action confidence building on online audience engagement. This study offers important theoretical contributions to the Information-Community-Action Framework and has practical implications for enhancing the effectiveness of health promotion in this digital era. [ABSTRACT FROM AUTHOR]

During COVID-19, there has been an unprecedented rise of videoconferencing use, primarily through Zoom. This increasingly popularity of Zoom has led to growing debates about its negative health impacts. In particular, 'Zoom fatigue' is a rapidly popularizing phenomena that describes the mental exhaustion or burnout arising from Zoom use. However, the specific mechanisms through which Zoom leads to Zoom fatigue are not well understood. To fill this gap, this study tested a mediated model linking Zoom use with the camera on ('ZUC') to Zoom fatigue, through the mediator of social interaction anxiety on Zoom, with a survey sample from the United Kingdom. It was also posited that self-monitoring positively moderated the effects of ZUC on social interaction anxiety on Zoom. The results demonstrated that the direct effects of ZUC on Zoom fatigue was significant and positive. The paper also showed that social interaction anxiety on Zoom increased Zoom fatigue. However, ZUC failed to indirectly increase Zoom fatigue due to the insignificant effects of ZUC on social interaction anxiety on Zoom. Self-monitoring also did not moderate the insignificant relationship between ZUC and social interaction anxiety on Zoom. These insights can guide conceptual frameworks for future research exploring the social psychological impacts of digital media on health. [ABSTRACT FROM AUTHOR]

Health misinformation is a serious problem that can cause confusion and risk-taking behaviors, undermining public health efforts. Fact-checking has been highlighted as an effective tool for coping with the challenge of misinformation. However, few studies have examined the factors influencing individuals' health fact-checking behaviors. Using the comprehensive model of information seeking, we conducted a two-wave panel survey in China during the COVID-19 pandemic and explored the underlying process that might hinder COVID-19 fact-checking. The results showed that risk perception and worry about COVID-19 triggered a negative COVID-19 information-seeking experience, which reduced COVID-19 fact-checking. Moreover, the propensity to trust COVID-19 misinformation played a moderating role, such that negative information-seeking experience had a stronger negative effect on fact-checking behaviors for people with a greater propensity to trust misinformation. This study demonstrates the dark side of cognitive and affective responses to risks and health information-seeking experiences. The findings offer important implications for future health communication initiatives to effectively promote health fact-checking behaviors. [ABSTRACT FROM AUTHOR]

The human papillomavirus (HPV) vaccine is relatively novel to people in China. Social media is becoming an important channel for learning new health information. However, limited is known about what HPV vaccine information has been disseminated on social media, and how such online information is associated with health-related behaviors in China. Based on Longo et al.'s model of patient use of healthcare information for healthcare decision, and Longo's model of health information seeking behaviors, this study examined HPV vaccine-related information type and information acquisition pattern. Following the mixed-methods approach, we first crawled 67,773 postings about HPV vaccine on Weibo, the largest microblogging website in China, and performed topic modeling to identify HPV vaccine-related topics that are prevalent on Weibo. The results showed six major topics about HPV vaccine, namely policy, guidance information, advertising, scandals, personal experience sharing, and HPV risks. Second, we conducted an online survey (n = 1,982) to investigate how scanning, seeking, and discussing the six HPV vaccine topics identified from big data analytics can affect HPV vaccine knowledge, safety concern, and vaccination intention. We documented significant impacts of social media health communication on users' health knowledge, attitude and behavioral intention. [ABSTRACT FROM AUTHOR]

Social media has been widely used as an important source of health information, particularly during public health crises. However, findings regarding social media's impact on young adults' mental health are mixed. There is a need to identify social mechanisms underlying the effect of social media on mental health outcomes. Our study breaks new ground by proposing and testing a moderated mediation pathway from social media use to stress in young adults during the COVID-19 pandemic. We conducted a two-wave online panel survey in the context of China. With a general basis of the Street's three-stage model, our results indicated that social media failed to directly affect young adults' stress. Instead, fatalism completely mediated this relationship. Also, one's perceived social media exhaustion negatively moderated this mediation pathway. The findings have significant theoretical and practical implications for the use of social media to promote health, well-being, and quality of life among young people during public health crises. [ABSTRACT FROM AUTHOR]