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Introduction: Online peer-to-peer social support programs are based on the premise that support from others who have been through a similar experience can help reduce the negative impacts of disease. Such support programs are increasingly found online, but how these conversations translate into real world interactions about health concerns is currently not well understood. Methods: Grounded in social network theory, this formative study explored how participants in an online prostate cancer community comprised of patients and their families translate their online conversations into offline ones. A survey was designed and fielded, and received 157 complete responses. Results: Results support prior research findings that these offline conversations are primarily information-oriented (n = 105) and extend them by the finding that members of online prostate cancer social support communities do, in fact, share information obtained online with others offline (n = 103). Family members appear to be primary receivers of this information (n = 121) while health care providers are not, which may impact treatment and care. Conclusions: The opportunity to tie more concretely online messages with offline conversations is of critical importance and interest. Recommendations are presented for future research. Keywords: Prostate cancer, Online communities, Social networks, Interpersonal communication, Social media

Introduction Given the reach and influence of social media, the National Children’s Study Vanguard Study evaluated the feasibility, acceptability, and cost of using social media to support participant retention. Methods We describe a social media experiment designed to assess the impact of social media on participant retention, discuss several key considerations for integrating social media into longitudinal research, and review factors that may influence engagement in research-related social media. Results User participation varied but was most active when at launch. During the short life of the private online community, a total of 39 participants joined. General enthusiasm about the prospect of the online community was indicated. There were many lessons learned throughout the process in areas such as privacy, security, and Institutional Review Board clearance. These are described in detail. Conclusions The opportunity to engage participants in longitudinal research using online social networks is enticing; however, more research is needed to consider the feasibility of their use in an ongoing manner. Recommendations are presented for future research seeking to use social media to improve retention in longitudinal research.

Given 70% of Americans are seeking health information online, social media are becoming main sources of health-related information and discussions. Specifically, compounding rising trends in use of e-cigarettes in the US, there has been a rapid rise in e-cigarette marketing â much of which is happening on social media. Public health professionals seeking to understand consumer knowledge, attitudes and beliefs about e-cigarettes should consider analyzing social media data and to do so, there are numerous free and paid tools available. However, each uses different sources and processes, which makes data validation challenging. This exploratory study sought to understand the reliability and feasibility of two social media data tools analyzing e-cigarette tweets. Twitter mentions were pulled from two different industry standard tools (GNIP and Radian6) and data were evaluated on six measures, e.g. Cost, Feasibility, Ease of Use, Poster Type (individual/organization), Context (tweet content analysis), and Valence (positive/negative). Findings included similarities amongst the data sets in terms of the content themes but differences in cost and ease of use of the tools themselves. These findings align with prior research, notably that e-cigarette marketing tweets are most common and public health-related content is noticeably absent. Findings from this exploratory study can inform future social media studies as well as communication campaigns seeking to address the emerging issue of e-cigarette use. Keywords: E-cigarettes, Vaping, Twitter, Tweets, Social media

Introduction Social media is increasingly being used in research, including recruitment. Methods For the Bayley Short Form Formative Study, which was conducted under the the National Children’s Study, traditional methods of recruitment proved to be ineffective. Therefore, digital media were identified as potential channels for recruitment. Results Results included successful recruitment of over 1800 infant and toddler participants to the Study. Conclusions This paper outlines the methods, results, and future research opportunities.