Jiehu Yuan

ORCID: 0000-0003-3429-8514
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About
Contact & Profiles
Research Areas
  • Vaccine Coverage and Hesitancy
  • COVID-19 epidemiological studies
  • Influenza Virus Research Studies
  • Misinformation and Its Impacts
  • COVID-19 and Mental Health
  • Climate Change Communication and Perception
  • COVID-19 Pandemic Impacts
  • Psychology of Moral and Emotional Judgment
  • Social Media and Politics
  • Environmental Education and Sustainability
  • Respiratory viral infections research
  • Psychological Well-being and Life Satisfaction
  • Behavioral Health and Interventions
  • Media Influence and Health
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Pneumonia and Respiratory Infections
  • Eating Disorders and Behaviors
  • Antibiotic Use and Resistance
  • Health Literacy and Information Accessibility
  • Antibiotic Resistance in Bacteria
  • Obesity, Physical Activity, Diet
  • Child Nutrition and Water Access
  • Digital Marketing and Social Media
  • SARS-CoV-2 and COVID-19 Research
  • Child Nutrition and Feeding Issues

University of Hong Kong
2019-2025

Chinese University of Hong Kong
2023

Faculty of Public Health
2022

Hong Kong Science and Technology Parks Corporation
2021

Background Effective risk communication about the outbreak of a newly emerging infectious disease in early stage is critical for managing public anxiety and promoting behavioral compliance. China has experienced unprecedented epidemic coronavirus (COVID-19) an era when social media fundamentally transformed information production consumption patterns. Objective This study examined engagement government responsiveness communications COVID-19 during based on analysis data from Sina Weibo,...

10.2196/18796 article EN cc-by Journal of Medical Internet Research 2020-05-15

Abstract The global rollout of COVID-19 vaccines faces a significant barrier in the form vaccine hesitancy. This study adopts dynamic and network perspective to explore determinants uptake Hong Kong, focusing on multi-level their interconnections. Following framework proposed by Strategic Advisory Group Experts (SAGE), used repeated cross-sectional surveys map these at multiple levels investigates interconnections simultaneously sample 15,179 over two years. results highlight nature...

10.1038/s41467-023-44650-9 article EN cc-by Nature Communications 2024-01-04

Abstract Objectives Older adults have been disproportionately affected by the coronavirus disease 2019 (COVID-19) pandemic. While COVID-19 vaccines are effective for reducing mortality and severe complications, vaccine hesitancy remains a substantial concern particularly among older adults. This was qualitative study to explore how Chinese reached decision delay or refuse in Hong Kong. Methods Semi-structured in-depth interviews were conducted with 27 aged ≥60 years who had never received...

10.1093/geronb/gbac184 article EN The Journals of Gerontology Series B 2022-11-19

Parental decision-making for children's uptake of a relatively novel vaccine and more common could involve different processes. This study aimed to compare the psychological processes relative importance factors influencing parental seasonal influenza vaccination (SIV) COVID-19 vaccination. We adopted mixed-methods approach. Study 1 was qualitative involving 29 parents explore their SIV In 2, data from 632 were collected longitudinally; then, machine learning used quantify identified in that...

10.1111/bjhp.12789 article EN cc-by-nc-nd British Journal of Health Psychology 2025-03-07

Seasonal influenza vaccine (SIV) greatly reduces disease burden among school-aged children, yet parental hesitancy remains a persistent challenge. Two types of SIV are available for children in Hong Kong and other locations: inactivated (IIV), administered through intramuscular injection, live attenuated (LAIV), via nasal spray. We aimed to understand how shaped preference LAIV versus IIV, particularly amidst important public health events, such as the COVID-19 pandemic massive rollout...

10.1038/s43856-024-00585-w article EN cc-by-nc-nd Communications Medicine 2024-08-16

Seasonal influenza vaccination (SIV) coverage among young children remains low worldwide. Mobile social networking apps such as WhatsApp Messenger are promising tools for health interventions.

10.2196/16427 article EN cc-by Journal of Medical Internet Research 2019-09-27

Abstract We constructed a coronavirus disease community vulnerability index using micro district-level socioeconomic and demographic data analyzed its correlations with case counts across the 3 pandemic waves in Hong Kong, China. found that districts greater reported more cases third wave when widespread outbreaks occurred.

10.3201/eid2707.204076 article EN cc-by Emerging infectious diseases 2021-06-21

Abstract Young adults in a transitional period may experience more stress and, hence, suffer from an increased risk of unhealthy eating. Executive function (EF) involves not only inhibitory control and mental flexibility (the ‘cool’ facet) to facilitate resistance immediate temptations, but also affective decision making ‘hot’ that helps regulate emotional The effects different facets EF their interactions with perceived on eating behaviours remained underexplored. In this study, 594 young...

10.1002/smi.3397 article EN cc-by-nc-nd Stress and Health 2024-03-27

School-located influenza vaccination programme (SIVP) can effectively promote childhood seasonal (SIV). However, the longitudinal effects of continuation and discontinuation SIVP on parents' vaccine hesitancy remained unknown.A two-wave study recruited adult parents who had at least one child attending a kindergarten or primary school using random-digital-dialled telephone interviews. Generalized estimating equation structural modelling were used to examine impact changes in schools'...

10.1093/pubmed/fdad018 article EN Journal of Public Health 2023-03-31

Socially disadvantaged individuals and communities consistently showed lower COVID-19 vaccination acceptance. We aimed to examine the psychological mechanisms that could explain such disparities. This study used data from serial population-based surveys conducted since programme being launched in Hong Kong (N = 28,734). first assessed correlations of community-level individual-level social vulnerability with Structural equation modelling (SEM) was then test whether distress measured by PHQ-4...

10.1111/aphw.12452 article EN cc-by-nc-nd Applied Psychology Health and Well-Being 2023-05-04

How antimicrobial resistance (AMR) risk is communicated in news media can shape public understanding and the engagement of different sectors with AMR. This study examined online attention for AMR analyzed how was using a global sample English Chinese articles.A total 16,265 8335 relevant to risk, respectively, published 2015-2018 were retrieved from professional media-monitoring platform, examine its drivers, which, 788 articles six main English-speaking countries three Chinese-speaking...

10.1186/s13756-021-01015-5 article EN cc-by Antimicrobial Resistance and Infection Control 2021-10-23

This was a mixed-methods study comprising questionnaire-based survey, qualitative study, and analysis of school newsletters to evaluate elementary staff's acceptability, delivery challenges communication about school-located influenza vaccination program (SIVP) in Hong Kong. We found that staff with lower intention implement SIVP perceived greater logistical difficulties arranging SIVP. Challenges regarding included schools' limited infrastructure, the burden paperwork, fear being...

10.3390/vaccines9101175 article EN cc-by Vaccines 2021-10-14

We aimed to conduct a narrative synthesis of components and indicators community vulnerability pandemic discuss their interrelationships from an ecological perspective.We searched PubMed, Embase, Web Science, PsycINFO, Scopus (updated November 2021) for studies focusing on caused by novel respiratory viruses geographic unit basis . Studies that reported the associations levels with at least one disease morbidity or mortality outcome were included.Forty-one included. All about COVID-19...

10.7189/jogh.12.05054 article EN cc-by Journal of Global Health 2022-12-03

This study aimed to gain insight from mothers who were successful in breastfeeding maintenance develop interventions for promoting maintenance. Following the phenomenological framework, this qualitative recruited had maintained at least 4 months in-depth interviews. A total of 30 interviews completed. We found that almost all participants experienced an initial adjustment period. During period, a social support network, personal perseverance “trying” and “pumping,” adjusting expectations...

10.3389/fpsyg.2023.1167272 article EN cc-by Frontiers in Psychology 2023-05-16

High COVID-19 vaccination uptake rates across all age groups are important for achieving herd immunity. However, disparity in acceptance was consistently identified.Taking cues from tenets of socioemotional selectivity theory, this study examined how the contextual and psychosocial factors contributed to age-specific acceptance.Four rounds population-based cross-sectional surveys were conducted before after programme started Hong Kong (n = 3527). Participants' acceptance, trust government,...

10.1080/08870446.2023.2239279 article EN Psychology and Health 2023-07-25

Abstract Background Older adults have been disproportionately affected by the COVID-19 pandemic. While vaccines are effective for reducing mortality and severe complications, vaccine hesitancy remains a substantial concern particularly among older adults. Objective This was qualitative study to explore psychological contextual factors that contribute Chinese adults’ delay or refusal of vaccines. Methods Semi-structured in-depth interviews were conducted with 27 aged ≥ 60 years who had never...

10.21203/rs.3.rs-1569282/v2 preprint EN cc-by Research Square (Research Square) 2022-04-27

<sec> <title>BACKGROUND</title> Effective risk communication about the outbreak of a newly emerging infectious disease in early stage is critical for managing public anxiety and promoting behavioral compliance. China has experienced unprecedented epidemic coronavirus (COVID-19) an era when social media fundamentally transformed information production consumption patterns. </sec> <title>OBJECTIVE</title> This study examined engagement government responsiveness communications COVID-19 during...

10.2196/preprints.18796 preprint EN cc-by 2020-03-19

<title>Abstract</title> Seasonal influenza vaccine (SIV) significantly reduces influenza-related illnesses among school-aged children, yet parental hesitancy remains a persistent challenge. Two types of SIV are available for children in Hong Kong and other locations: inactivated (IIV), administered through intramuscular injection, live attenuated (LAIV), via nasal spray. While injection or needle fears important barriers to childhood vaccination uptake, little research has explored how can...

10.21203/rs.3.rs-3871981/v1 preprint EN cc-by Research Square (Research Square) 2024-02-07

Sustainable healthy diets (SHDs) are dietary patterns that meet individuals' nutrition and health while also promoting environmental sustainability. Understanding the key stakeholdersin SHDs can benefit both individuals society, especially when facing growing climate change challenges. Based on theory of agenda setting in social media, this study aimed to answer (RQ1) who communicated via Facebook public pages what did they communicate? (RQ2) What strategies use communicate their...

10.2139/ssrn.4739819 preprint EN 2024-01-01

Abstract The existing research on the associations between climate change-related events and mental well-being outcomes warrants several gaps. These studies either used a mono approach such as cross-sectional surveys or focused clinical health outcomes. Moreover, underlying mechanism channelling changing real-time emotional well their pro-environmental action were seldom studied. This study aimed to address these gaps by integrating multiple data sources, including social media posts about...

10.21203/rs.3.rs-4140397/v1 preprint EN cc-by Research Square (Research Square) 2024-03-29

Background Vaccine hesitancy is complex and multifaced. People may accept or reject a vaccine due to multiple interconnected reasons, with some reasons being more salient in influencing acceptance resistance hence the most important intervention targets for addressing hesitancy. Objective This study was aimed at assessing connections relative importance of motivators demotivators COVID-19 vaccination Hong Kong based on co-occurrence networks verbal from repetitive cross-sectional surveys....

10.2196/50958 article EN cc-by JMIR Public Health and Surveillance 2024-04-22

<sec> <title>BACKGROUND</title> Climate change poses a significant threat to global mental health and well-being. Existing research on the associations between climate change-related events well-being outcomes has primarily relied single approach, such as cross-sectional surveys conducted at specific time points or in disaster settings. However, long-term effects variability of changing remain relatively unexplored. Additionally, underlying mechanisms that link conditions real-time emotional...

10.2196/preprints.70336 preprint EN cc-by 2024-12-19
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