- Social Media and Politics
- Misinformation and Its Impacts
- Suicide and Self-Harm Studies
- Data-Driven Disease Surveillance
- Impact of Technology on Adolescents
- Complex Network Analysis Techniques
- Child Development and Digital Technology
- Opinion Dynamics and Social Influence
- Child and Adolescent Psychosocial and Emotional Development
- Media Studies and Communication
- Vaccine Coverage and Hesitancy
- Hate Speech and Cyberbullying Detection
- Disaster Management and Resilience
- Public Relations and Crisis Communication
- Viral Infections and Outbreaks Research
- Social Media in Health Education
- Social Capital and Networks
- Internet Traffic Analysis and Secure E-voting
- China's Socioeconomic Reforms and Governance
- Gun Ownership and Violence Research
- COVID-19 and Mental Health
- Hong Kong and Taiwan Politics
- Health disparities and outcomes
- Early Childhood Education and Development
- Resilience and Mental Health
University of Hong Kong
2015-2024
Chinese University of Hong Kong
2015-2021
City University of Hong Kong
2021
Georgia Southern University
2021
University of Georgia
2021
Southern University
2021
Education University of Hong Kong
2019
Hong Kong Baptist University
2019
Massachusetts Institute of Technology
2017-2018
Hong Kong Jockey Club
2009-2016
Background Despite increasing concern over the potential adverse effects of excessive internet use, especially in young people, there is some debate its definition, magnitude and discriminant validity. Aims To examine prevalence adolescents' addiction Hong Kong, China; to test differentiation from other correlates; relationships with correlates a representative community sample adolescents. Method A two-wave panel household survey 208 adolescents (aged 15–19 years) was conducted....
The coronavirus disease 2019 (COVID-19) pandemic is having a profound impact on the health and development of children worldwide. There limited evidence COVID-19 its related school closures disease-containment measures psychosocial wellbeing children; little research has been done characteristics vulnerable groups factors that promote resilience.We conducted large-scale cross-sectional population study Hong Kong families with aged 2-12 years. Parents completed an online survey family...
The authors investigated censorship practices and the use of microblogs-or weibos, in Chinese-using 111 million microblogs collected between 1 January 30 June 2012. To better control for alternative explanations decisions attributable to an individual's characteristics choices, they used a matched case-control study design determine list Chinese terms that discriminate censored uncensored posts written by same microbloggers. This includes homophones puns created microbloggers circumvent...
Social media platforms are important channels through which health education about the utility and safety of vaccination is conducted.To investigate if tweets with different sentiments toward contents attract levels Twitter users' engagement (retweets).A stratified random sample (N = 1425) 142,891 #vaccine (February 4, 2010, to November 10, 2016) was manually coded. All 201 100 or more retweets from 194,259 #vaccineswork (January 1, 2014, April 30, 2015) were Regression models applied...
Twitter is a social media platform where over 500 million people worldwide publish their ideas and discuss diverse topics, including health conditions public events. has proved to be an important source of health-related information on the Internet, given amount that shared by both citizens official sources. provides researchers with real-time global scale, can very in research. Classifying data into topics or categories helpful better understand how users react communicate. A literature...
Background: Severe social withdrawal behaviors among young people have been a subject of public and clinical concerns. Aims: This study aimed to explore the prevalence aged 12–29 years in Hong Kong. Methods: A cross-sectional telephone-based survey was conducted with 1,010 individuals. Social were measured proposed research diagnostic criteria for hikikomori categorized according (a) international duration criterion (more than 6 months), (b) local (less months) (c) but self-perceived as...
We analyzed misinformation about Ebola circulating on Twitter and Sina Weibo, the leading Chinese microblog platform, at outset of global response to 2014-2015 epidemic help public health agencies develop their social media communication strategies.We retrieved Weibo data created within 24 hours World Health Organization announcement a Public Emergency International Concern (Batch 1 from August 8, 2014, 06:50:00 Greenwich Mean Time [GMT] 9, 06:49:59 GMT) seven days later 2 15, GMT 16, GMT)....
As internet and social media use have skyrocketed, epidemiologists begun to online data such as Google query Twitter trends track the activity levels of influenza other infectious diseases. In China, Weibo is an extremely popular microblogging site that equivalent Twitter. Capitalizing on wealth public opinion contained in posts Weibo, this study used a measure Chinese people's reactions two different outbreaks: 2012 Middle East Respiratory Syndrome Coronavirus (MERS-CoV) outbreak, 2013...
Chinese social media and big data represent an important share of the global Internet, but have received relatively less attention. This editorial examines three dominant discourses based on China's distinctive complex political, economic realities: “Big Data” (technical focus), Brother” (political Profit” (economic focus). We argue that prevailing discourse practice in China is largely technocentric, decontextualized nonreflexive, much attuned to social, cultural, epistemological, ethical...
Chinese microblogs have drawn global attention to this online application's potential impact on the country's social and political environment. However, representative reliable statistics microbloggers are limited. Using a random sampling approach, study collected microblog data from service provider, analyzing profile pattern of usage for 29,998 accounts. From our analysis, 57.4% (95% CI 56.9%,58.0%) accounts' timelines were empty. Among 12,774 non-zero statuses samples, 86.9% 86.2%,87.4%)...
Information and emotions towards public health issues could spread widely through online social networks. Although aggregate metrics on the volume of information diffusion are available, we know little about how spreads Health be transmitted from one to many (i.e. broadcasting) or a chain individual viral spreading). The aim this study is examine spreading pattern Ebola Twitter identify influential users regarding messages.Our data was purchased GNIP. We obtained all Ebola-related tweets...
China's control of information online is often imposed by social media platforms in the name “rumor management.” This article examines content moderation strategies Sina Weibo, largest microblogging platform, regulating discussion rumors following 2015 Tianjin blasts. More than 100,000 Weibo posts were collected and categorized into three data sets: rumor from public, rumor‐debunking Weibo's official rebuttal accounts, removed system. Two content‐moderation strategies, namely removal,...
Abstract This article examines the prominence of various user categories as opinion leaders, defined initiators, agenda setters or disseminators, in 29 corruption cases exposed on Sina Weibo. It finds that ordinary citizens made up largest category initiators but their power leadership was limited they had to rely media organizations spread news about cases. News and online were main leaders. Government Party bodies initiated a fair number and, despite not being strong able dominate public...
Abstract Internet censorship mechanisms in China are highly dynamic and yet to be fully accounted for by existing theories. This study interrogates postpublication on Chinese social media examining the differences between 2,280 pairs of censored WeChat articles matched remaining articles. With effects account attributes article topics excluded, we find that specificity raises odds being censored. Also, an examination a collection international trade indicates such with textual units...
This perspective is written to give a rapid response discuss the role of media in risk communication first three months COVID-19 pandemic. We analyze two sets data, China's social and global news event, draw few initial observations relation impacts information control policy, governance, WHO.
BackgroundDigital competence can help children and adolescents engage with technology for acquiring new knowledge broadening social contact support, while reducing the risk of inappropriate media use. This study investigated effects digital on gaming addiction among adolescents. We explored whether students good were protected from adverse use addiction.Methods1956 (690 primary 1266 secondary) completed a assessment self-report questionnaire their mental health status, devices, experiences...