Communication in health-related online social support groups/communities: a review of research on predictors of participation, applications of social support theory, and health outcomes

This article reviews literature on online support groups/communities for individuals facing health concerns. Specifically, the article focuses on predictors of online support group/community participation, major theoretical frameworks that have been applied to the study of online support groups/communities, and coping strategies and health outcomes for individuals facing health concerns. Finally, the article discusses the strengths and limitations of existing empirical studies in this area; presents a critique of the relative merits and limitations of a number of theoretical frameworks that have been applied to the study of online support groups/communities for people facing health concerns; and it provides an agenda for future communication research on health-related online support groups/communities

Soutien social et communication médiée par ordinateur

Malgré les nombreuses spéculations sur les avantages et les inconvénients potentiels de la communication médiée par ordinateur (CMO) pour les processus de soutien social, peu de tentatives ont été faites pour résumer les résultats issus de l’exploitation de ce corpus d’études Le présent article présente un état des lieux de la recherche sur le soutien médié par ordinateur afin de déterminer si les promesses et les périls supposés de la CMO se sont concrétisés. Les études empiriques examinant l’utilisation de la CMO pour acquérir un soutien social et les conséquences du soutien acquis en ligne sont passées en revue et synthétisées. L’article se termine par un programme de recherche future identifiant des questions pressantes sur le soutien médié par ordinateur.Despite a great deal of speculation about the potential advantages and disadvantages of computer-mediated communication (CMC) for social support processes, few attempts have been made to summarize the findings from this body of scholarship. The present chapter reports a state-of-the-art review of research on computermediated support in an effort to determine whether the purported promise and peril of CMC has been realized. Empirical studies examining the use of CMC for acquiring social support and the outcomes of support acquired online are reviewedand synthesized. The review concludes with an agenda for future research identifying pressing questions for computer-mediated support scholarship

A socio-ecological examination of the primary school playground: Primary school pupil and staff perceived barriers and facilitators to a physically active playground during break and lunch-times

Using Brofenbrenner’s socio-ecological model as a conceptual framework, the objective of this study was to determine playground users (primary school staff and pupils) perceptions of the barriers and facilitators to a physically active school playground at an intra-personal (individual), inter-personal (social), environmental and policy level. Results from a series of qualitative interactions with children (n = 65) from years five and six (9 to 11 years old), and structured interviews with adult teachers (n = 11) revealed key differences in the child and adult perceptions of the playground and the purpose of break-times. A number of inter-related environmental boundaries and school policies were identified as restrictive to children’s explorations and activity levels during ‘free play’ periods, which centred on resource availability, accessibility and health and safety. Further, traditional playground hierarchies act to promote and prevent physical activity engagement for different groups (e.g. gender and age). Finally, differences between the adult and child perception of the primary school playground were observed. Playground physical activity, during break-times appears to be affected by a number of variables at each level of the socio-ecological model. This study provides an opportunity for primary schools to reflect on primary school playground strategies and practices that are implemented at each level of the socio-ecological model to encourage a more effective use of the playground during school break-times

School Psychologists\u27 Self-Perceptions of Multicultural Competence: The Relevance of Experience and Training

A national survey of 216 school psychologists\u27 perceptions of multicultural competence indicated that multicultural competence significantly increases as a function of hours of training and frequency of experience working with individuals from cultures different from their own. Results are discussed in the context of measurement limitations for multicultural competence and implications for trainers of school psychologists

The Power & Perspective of Mommy Bloggers: Formative Research with Social Media Opinion Leaders about HPV Vaccination

Since the development of the Human Papillomavirus (HPV) vaccine in 2006, significant promotion efforts have targeted adolescent females and their parents in order to reduce the incidence of HPV and related cancers. Yet vaccination rates for pre-adolescents (the recommended age of administration) still lag behind. Social media and social network campaigns hold promise not only for promoting broad awareness but also for influencing vaccination attitudes and behaviors by utilizing opinion leaders for message dissemination. This formative intervention study explored the feasibility of leveraging online ‘mommy bloggers’ as thought leaders and sources of influence in the promotion of HPV vaccine messages. Findings include insights into vaccine hesitancy amongst mommy bloggers; approaches for discussing HPV vaccination in the blogosphere; and engagement strategies for working with mommy bloggers

Photometry of Variable Stars from Dome A, Antarctica

Dome A on the Antarctic plateau is likely one of the best observing sites on Earth thanks to the excellent atmospheric conditions present at the site during the long polar winter night. We present high-cadence time-series aperture photometry of 10,000 stars with i<14.5 mag located in a 23 square-degree region centered on the south celestial pole. The photometry was obtained with one of the CSTAR telescopes during 128 days of the 2008 Antarctic winter. We used this photometric data set to derive site statistics for Dome A and to search for variable stars. Thanks to the nearly-uninterrupted synoptic coverage, we find 6 times as many variables as previous surveys with similar magnitude limits. We detected 157 variable stars, of which 55% are unclassified, 27% are likely binaries and 17% are likely pulsating stars. The latter category includes delta Scuti, gamma Doradus and RR Lyrae variables. One variable may be a transiting exoplanet.Comment: Accepted for publication in the Astronomical Journal. PDF version with high-resolution figures available at http://faculty.physics.tamu.edu/lmacri/papers/wang11.pd

Genetic structuring in Atlantic haddock contrasts with current management regimes

The advent of novel genetic methods has made it possible to investigate population structure and connectivity in mobile marine fish species: knowledge of which is essential to ensure a sustainable fishery. Haddock (Melanogrammus aeglefinus) is a highly exploited marine teleost distributed along the coast and continental shelf on both sides of the North Atlantic Ocean. However, little is known about its population structure. Here, we present the first study using single-nucleotide polymorphism (SNP) markers to assess the genetic population structure of haddock at multiple geographic scales, from the trans-Atlantic to the local (fjord) level. Genotyping 138 SNP loci in 1329 individuals from 19 locations across the North Atlantic revealed three main genetic clusters, consisting of a Northwest Atlantic cluster, a Northeast Arctic cluster, and a Northeast Atlantic cluster. We also observed a genetically distinct fjord population and a pattern of isolation by distance in the Northeast Atlantic. Our results contrast with the current management regime for this species in the Northeast Atlantic, as we found structure within some management areas. The study adds to the growing recognition of population structuring in marine organisms in general, and fishes in particular, and is of clear relevance for the management of haddock in the Northeast Atlantic.publishedVersionPaid open acces

No evidence of racial discrimination in criminal justice processing

a b s t r a c t One of the most consistent findings in the criminological literature is that African American males are arrested, convicted, and incarcerated at rates that far exceed those of any other racial or ethnic group. This racial disparity is frequently interpreted as evidence that the criminal justice system is racist and biased against African American males. Much of the existing literature purportedly supporting this interpretation, however, fails to estimate properly specified statistical models that control for a range of individual-level factors. The current study was designed to address this shortcoming by analyzing a sample of African American and White males drawn from the National Longitudinal Study of Adolescent Health (Add Health). Analysis of these data revealed that African American males are significantly more likely to be arrested and incarcerated when compared to White males. This racial disparity, however, was completely accounted for after including covariates for self-reported lifetime violence and IQ. Implications of this study are discussed and avenues for future research are offered

Evidence-based clinical practice guideline for the use of pit-and-fissure sealants

AbstractBackgroundThis article presents evidence-based clinical recommendations for the use of pit-and-fissure sealants on the occlusal surfaces of primary and permanent molars in children and adolescents. A guideline panel convened by the American Dental Association (ADA) Council on Scientific Affairs and the American Academy of Pediatric Dentistry conducted a systematic review and formulated recommendations to address clinical questions in relation to the efficacy, retention, and potential side effects of sealants to prevent dental caries; their efficacy compared with fluoride varnishes; and a head-to-head comparison of the different types of sealant material used to prevent caries on pits and fissures of occlusal surfaces.Types of Studies ReviewedThis is an update of the ADA 2008 recommendations on the use of pit-and-fissure sealants on the occlusal surfaces of primary and permanent molars. The authors conducted a systematic search in MEDLINE, Embase, Cochrane Central Register of Controlled Trials, and other sources to identify randomized controlled trials reporting on the effect of sealants (available on the US market) when applied to the occlusal surfaces of primary and permanent molars. The authors used the Grading of Recommendations Assessment, Development, and Evaluation approach to assess the quality of the evidence and to move from the evidence to the decisions.ResultsThe guideline panel formulated 3 main recommendations. They concluded that sealants are effective in preventing and arresting pit-and-fissure occlusal carious lesions of primary and permanent molars in children and adolescents compared with the nonuse of sealants or use of fluoride varnishes. They also concluded that sealants could minimize the progression of noncavitated occlusal carious lesions (also referred to as initial lesions) that receive a sealant. Finally, based on the available limited evidence, the panel was unable to provide specific recommendations on the relative merits of 1 type of sealant material over the others.Conclusions and Practical ImplicationsThese recommendations are designed to inform practitioners during the clinical decision-making process in relation to the prevention of occlusal carious lesions in children and adolescents. Clinicians are encouraged to discuss the information in this guideline with patients or the parents of patients. The authors recommend that clinicians reorient their efforts toward increasing the use of sealants on the occlusal surfaces of primary and permanent molars in children and adolescents