Publications by authors named "Youzhen Su"

Although visual depictions of epidemiological data are not new in public health, the US public saw more of them during the COVID-19 pandemic than ever before. In this study, we considered visualizations of forecasts (i.e.

View Article and Find Full Text PDF

Food safety risk (FSR) is becoming a vital issue for public health, and improving public awareness of FSR through social media is necessary. This study aims to explore specific mechanisms of FSR perception; it first categorizes 19 risk characteristics into two variables, dread and efficacy, and then examines how social media use affects perceived FSR through both variables. Additionally, the study explores the moderating effects of source credibility and science literacy on the mechanisms of FSR perception.

View Article and Find Full Text PDF

To identify the psychosocial determinants of individuals' intention to engage in collective actions against cancer, we extended and tested the risk perception attitude (RPA) framework at the level of social perceptions. The results of a large online survey of Hong Kong citizens ( = 1,005) revealed that perceived societal risk and perceived collective efficacy directly and jointly influenced respondents' intention to engage in collective actions against cancer, namely donating to cancer charities, volunteering at cancer-prevention organizations, and supporting public policies for cancer prevention. However, the interaction between perceived societal risk and perceived collective efficacy occurred in a direction opposite to the direction in the initial RPA framework.

View Article and Find Full Text PDF

Mental illness is a prevalent and pressing public health problem among the Asian population, especially among young adults. This study examined the psychosocial predictors of the intention to seek counseling based on the theory of planned behavior (TPB) and the effects of mental health conditions on the relative contributions of the TPB predictors in forming the intention among Asian young adults. The survey results in Singapore (n = 232) and Hong Kong (n = 998) revealed that attitudes, descriptive norms, and self-efficacy significantly predicted the intention to seek counseling in both Asian sites.

View Article and Find Full Text PDF

To examine the nature and content of messages presented in a popular Chinese online community about intimate partner violence (IPV), this study utilized a two-step analytic approach that combined quantitative content analysis and automatic content analysis. We collected 90,040 messages from the online community's IPV group. Study 1 analyzed 8,343 randomly selected messages.

View Article and Find Full Text PDF