OBJECTIVE To explore the clustering of HIV infected men having sex with men (MSM) using social network approach in conjunction with the phylogenetic relationship of the virus strains. DESIGN An exploratory study incorporating social network and phylogenetic analysis. METHODS Recently diagnosed HIV-infected MSM attending one major HIV specialist clinic in Hong Kong were recruited in the stud...

BACKGROUND The Institute of Medicine recommendation for a more educated nursing workforce has triggered significant activity in the area of academic profession, particularly in pre- and postlicensure baccalaureate nursing education. Many innovative academic progression models involving universities and community colleges have emerged. Among the most common barriers to this effort are inconsiste...

This study examines age-related differences in the association between social network characteristics and mortality for aged white women. Subjects include a community-dwelling sample of white women aged > or = 65 years (n = 806), who lived in northeast Baltimore, Maryland, in 1984. Three characteristics of social networks were measured: availability of network resources; contact with network re...

Today, the related topics about CSCW mainly focus on the three aspects as follows. The first one is how to satisfy general requirement by technical support, the second one is about social-technical gap, and the last one is how to evaluate the system. In this paper, we approach remote class, one instance of CSCW, from these three aspects. Due to the unprecedented information explosion and rapid ...

One of the main principles of social networks is the concept of homophily, defined as the tendency to form and sustain contacts with similar actors. Studies have shown that homophily can be based on race and ethnicity, on informal or ascribed status (e.g., gender, age, religion, education, occupation), or on shared values and beliefs. In this talk, we will investigate the Persian language blogo...

Rural clinicians require expertise across a broad range of specialties, presenting difficulty in maintaining currency of knowledge and application of best practice. Free open access medical education is a new paradigm in continuing professional education. Use of the internet and social media allows a globally accessible crowd-sourced adjunct, providing inline (contextual) and offline (asynchron...

health systems research aims to understand the governance of health systems (i.e. how health systems function and perform and how their actors interact with each other). this can be achieved by applying innovative methodologies and concepts that are going to capture the complexity and dynamics of health systems when they are affected by shocks. the capacity of health systems to adapt to shocks ...

The Role of Social Networks in Cultural Assimilation* We develop a model where, in the first stage, minority individuals have to decide whether or not they want to assimilate to the majority culture while, in the second stage, all individuals (both from the majority and the minority group) embedded in a network have to decide how much effort they exert in some activity (say education). We show ...

Drawing from the Uses and Gratifications Theory, this study examined the Gratification Sought and the Gratification Obtained from using Social Networking Sites among Iranian, Malaysian, British, and South African higher education students. This comparison allowed to drawing conclusions about how social networking sites fulfill users’ needs with different cultures. Data were collected through a ...

Social networks are now ubiquitous across many online services in diverse areas such as communication, music, education, health, and news. This thesis provides an understanding of the interplay between network structure and user behavior in the Twitter network and on the Duolingo language learning platform. We develop models and algorithms that can explain observed user behavior and distinguish...