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https://www.readbyqxmd.com/read/29453509/critical-thresholds-for-eventual-extinction-in-randomly-disturbed-population-growth-models
#1
Scott D Peckham, Edward C Waymire, Patrick De Leenheer
This paper considers several single species growth models featuring a carrying capacity, which are subject to random disturbances that lead to instantaneous population reduction at the disturbance times. This is motivated in part by growing concerns about the impacts of climate change. Our main goal is to understand whether or not the species can persist in the long run. We consider the discrete-time stochastic process obtained by sampling the system immediately after the disturbances, and find various thresholds for several modes of convergence of this discrete process, including thresholds for the absence or existence of a positively supported invariant distribution...
February 16, 2018: Journal of Mathematical Biology
https://www.readbyqxmd.com/read/29453301/role-of-the-family-doctor-in-the-management-of-adults-with-obesity-a-scoping-review
#2
Elizabeth A Sturgiss, Nicholas Elmitt, Emily Haelser, Chris van Weel, Kirsty A Douglas
OBJECTIVES: Obesity management is an important issue for the international primary care community. This scoping review examines the literature describing the role of the family doctor in managing adults with obesity. The methods were prospectively published and followed Joanna Briggs Institute methodology. SETTING: Primary care. Adult patients. INCLUDED PAPERS: Peer-reviewed and grey literature with the keywords obesity, primary care and family doctors...
February 16, 2018: BMJ Open
https://www.readbyqxmd.com/read/29453191/a-text-message-intervention-with-adaptive-goal-support-to-reduce-alcohol-consumption-among-non-treatment-seeking-young-adults-non-randomized-clinical-trial-with-voluntary-length-of-enrollment
#3
Brian Suffoletto, Tammy Chung, Frederick Muench, Peter Monti, Duncan B Clark
BACKGROUND: Stand-alone text message-based interventions can reduce binge drinking episodes (≥4 drinks for women and ≥5 drinks for men) among nontreatment-seeking young adults, but may not be optimized. Adaptive text message support could enhance effectiveness by assisting context-specific goal setting and striving, but it remains unknown how to best integrate it into text message interventions. OBJECTIVE: The objective of this study was to evaluate young adults' engagement with a text message intervention, Texting to Reduce Alcohol Consumption 2 (TRAC2), which focuses on reducing weekend alcohol consumption...
February 16, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29453190/testing-behavior-change-techniques-to-encourage-primary-care-physicians-to-access-cancer-screening-audit-and-feedback-reports-protocol-for-a-factorial-randomized-experiment-of-email-content
#4
Gratianne Vaisson, Holly O Witteman, Zachary Bouck, Caroline A Bravo, Laura Desveaux, Diego Llovet, Justin Presseau, Marianne Saragosa, Monica Taljaard, Shama Umar, Jeremy M Grimshaw, Jill Tinmouth, Noah M Ivers
BACKGROUND: Cancer Care Ontario's Screening Activity Report (SAR) is an online audit and feedback tool designed to help primary care physicians in Ontario, Canada, identify patients who are overdue for cancer screening or have abnormal results requiring follow-up. Use of the SAR is associated with increased screening rates. To encourage SAR use, Cancer Care Ontario sends monthly emails to registered primary care physicians announcing that updated data are available. However, analytics reveal that 50% of email recipients do not open the email and less than 7% click the embedded link to log in to their report...
February 16, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29452936/use-of-telemedicine-in-the-management-of-infectious-diseases
#5
G Gras
Communication technologies have invaded our daily lives. Several studies have assessed these technologies in the management of infectious diseases (mainly HIV). Weekly short text messages and real-time compliance monitoring assessed in HIV patients are both associated with higher compliance in low-income countries. Virtual consultations to monitor stable chronic HIV patients or tuberculosis treatment in high-income countries appear to be acceptable and efficient. Although assessed in small studies, virtual monitoring seems to reinforce the doctor-patient relationship and the relation between primary care settings and hospitals in various infectious diseases (endocarditis, urinary tract infection, skin and soft tissue infection, HIV, tuberculosis, hepatitis C)...
February 13, 2018: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/29452697/president-s-message
#6
EDITORIAL
Jeffrey Kwong
No abstract text is available yet for this article.
March 2018: Journal of the Association of Nurses in AIDS Care: JANAC
https://www.readbyqxmd.com/read/29452062/the-buddy-benefit-increasing-the-effectiveness-of-an-employee-targeted-weight-loss-program
#7
Rene Dailey, Lynsey Romo, Sarah Myer, Cathy Thomas, Surabhi Aggarwal, Kelly Nordby, Madison Johnson, Carolyn Dunn
It is well known that significant others (particularly romantic partners) can influence people's weight management efforts. However, what constitutes effective support-and from which type of individual (e.g., romantic partner, family member, friend)-is unclear. Thus, framed by confirmation theory, we assessed the effectiveness and types of communication of a weight-loss "buddy" through reports of 704 individuals enrolled in a 15-week synchronous online weight-loss program. Roughly 54% of participants chose buddies; and those who did lost more weight and waist inches than those who were involved in the program without buddy support...
February 16, 2018: Journal of Health Communication
https://www.readbyqxmd.com/read/29452057/use-of-twitter-to-assess-viewer-reactions-to-the-medical-drama-code-black
#8
Beth L Hoffman, Erica L Rosenthal, Jason B Colditz, Ryan Mcgarry, Brian A Primack
Fictional medical television programs are popular with viewers and have been shown to influence health-related outcomes. We sought to systematically analyze real-time viewer discourse on Twitter related to the new medical drama, Code Black. We retrieved all Twitter posts (tweets) and metadata around the time of the airing of Code Black for four consecutive weeks. We developed a codebook using both content assessment of Twitter messages (tweets) and theory-based variables used in entertainment education analyses...
February 16, 2018: Journal of Health Communication
https://www.readbyqxmd.com/read/29452051/using-the-ecological-model-to-understand-influences-on-college-student-vaping
#9
Marshall Cheney, Mary Gowin, Ashley H Clawson
Objective The Ecological Model was used to examine the social and environmental influences of the college environment on e-cigarette use (vaping) among college students. Participants Undergraduate college student e-cigarette users (vapers) across three large college campuses in the southwest US from Jan 2015- Aug 2016. Methods Thirty-three interviews were conducted. Transcribed interviews were coded then analyzed for themes. Results College student vapers report multiple levels of influence on their vaping beyond personal beliefs and peer influences, including parents, explicit campus and community messaging, community member requests, and respect for others...
February 16, 2018: Journal of American College Health: J of ACH
https://www.readbyqxmd.com/read/29451833/development-and-pilot-testing-of-a-text-message-vaccine-reminder-system-for-use-during-an-influenza-pandemic
#10
Jonathan D Lehnert, Alex Shevach, Sydney Walker, Rose Wang, Thomas J Fitzgerald, Samuel B Graitcer
In an influenza pandemic, two vaccine doses administered 21 days apart may be needed for individuals of all ages to achieve seroprotection. Achieving dose-series completion can be challenging even for routinely recommended vaccines. To prepare for a two-dose influenza pandemic vaccine campaign and promote dose-series completion and correct dosing intervals, CDC and its partners developed a text message-based vaccine reminder system to remind persons who receive a first dose of pandemic influenza vaccine to receive the second dose...
February 16, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29451827/sending-the-right-message-wild-game-and-the-west-africa-ebola-outbreak
#11
Kristin Post
The unprecedented scale of the Ebola epidemic in West Africa in 2014-15 caught the world by surprise. Zaire Ebolavirus had not previously been documented in Guinea, Sierra Leone, or Liberia. However, since this strain of filovirus was first identified in 1976, scientists have been studying the disease and its origins. They have identified forest-dwelling animals that carry the virus, and some that die from it, but have yet to isolate how it is transmitted from animals to humans. During the height of the Ebola outbreak in West Africa, some public health messages addressed the link among Ebola, wild animals, and humans...
January 2018: Health Security
https://www.readbyqxmd.com/read/29451557/biomedical-journal-speed-and-efficiency-a-cross-sectional-pilot-survey-of-author-experiences
#12
Joshua D Wallach, Alexander C Egilman, Anand D Gopal, Nishwant Swami, Harlan M Krumholz, Joseph S Ross
Background: Although the peer review process is believed to ensure scientific rigor, enhance research quality, and improve manuscript clarity, many investigators are concerned that the process is too slow, too expensive, too unreliable, and too static. In this feasibility study, we sought to survey corresponding authors of recently published clinical research studies on the speed and efficiency of the publication process. Methods: Web-based survey of corresponding authors of a 20% random sample of clinical research studies in MEDLINE-indexed journals with Ovid MEDLINE entry dates between December 1 and 15, 2016...
2018: Research Integrity and Peer Review
https://www.readbyqxmd.com/read/29450885/loser-on-the-combined-impact-of-emotional-and-person-descriptive-word-meanings-in-communicative-situations
#13
Lana Rohr, Rasha Abdel Rahman
Humans have a unique capacity to induce intense emotional states in others by simple acts of verbal communication, and simple messages such as bad can elicit strong emotions in the addressee. However, up to now, research has mainly focused on general emotional meaning aspects and paradigms of low personal relevance (e.g., word reading), thereby possibly underestimating the impact of verbal emotion. In the present study, we recorded ERPs while presenting emotional words differing in word-inherent person descriptiveness (in that they may or may not refer to or describe a person; e...
February 16, 2018: Psychophysiology
https://www.readbyqxmd.com/read/29450395/investigating-the-perception-of-romanian-adults-on-ophthalmology-services-from-an-experiential-marketing-perspective
#14
Consuela-Mădălina Gheorghe, Iuliana-Raluca Gheorghe, Victor Lorin Purcărea
Nowadays, we live in a world in which we are daily bombed by hundreds of advertisements. Specialists have to discover other channels or embed attractive elements in the advertisements' messages to cut through the clutter and catch the consumers' attention. The evolution of the concept of service has changed from the commercial status to determining a lifestyle. Buying a service has led to a change in the consumer behavior. Consumers want to buy services that dazzle their senses, touch their hearts, and stimulate their minds, not as before, excellent or satisfying...
July 2017: Romanian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29449203/influencing-the-conversation-about-masculinity-and-suicide-evaluation-of-the-man-up-multimedia-campaign-using-twitter-data
#15
Marisa Schlichthorst, Kylie King, Jackie Turnure, Suku Sukunesan, Andrea Phelps, Jane Pirkis
BACKGROUND: It has been suggested that some dominant aspects of traditional masculinity are contributing to the high suicide rates among Australian men. We developed a three-episode documentary called Man Up, which explores the complex relationship between masculinity and suicide and encourages men to question socially imposed rules about what it means to be a man and asks them to open up, express difficult emotions, and seek help if and when needed. We ran a three-phase social media campaign alongside the documentary using 5 channels (Twitter, Facebook, Instagram, YouTube, and Tumblr)...
February 15, 2018: JMIR Mental Health
https://www.readbyqxmd.com/read/29448922/a-randomised-control-crossover-trial-of-a-theory-based-intervention-to-improve-sun-safe-and-healthy-behaviours-in-construction-workers-study-protocol
#16
Amanda Nioi, Charlotte Wendelboe-Nelson, Sue Cowan, Hilary Cowie, Shahzad Rashid, Peter Ritchie, Mark Cherrie, Terry C Lansdown, John W Cherrie
BACKGROUND: Exposure to sunlight can have both positive and negative health impacts. Excessive exposure to ultra-violet (UV) radiation from the sun can cause skin cancer, however insufficient exposure to sunlight has a detrimental effect on production of Vitamin D. In the construction industry there are onsite proactive behaviours for safety, but sun-safety remains a low priority. There is limited research on understanding the barriers to adopting sun-safe behaviours and the association this may have with Vitamin D production...
February 15, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29448872/emotional-well-being-and-public-health-proposal-for-a-model-national-initiative
#17
Sophie C Feller, Enrico G Castillo, Jared M Greenberg, Pilar Abascal, Richard Van Horn, Kenneth B Wells
In 2011, the National Prevention, Health Promotion, and Public Health Council named mental and emotional well-being as 1 of 7 priority areas for the National Prevention Strategy. In this article, we discuss emotional well-being as a scientific concept and its relevance to public health. We review evidence that supports the association between emotional well-being and health. We propose a national emotional well-being initiative and describe its 6 components: systematic measurement of emotional well-being, identification of the drivers of emotional well-being, formation of partnerships with diverse stakeholders, implementation and dissemination of evidence-based interventions to promote emotional well-being and its drivers, development of public health messaging, and identification of and strategies to address disparities in emotional well-being and its drivers...
January 1, 2018: Public Health Reports
https://www.readbyqxmd.com/read/29448376/matrix-product-algorithm-for-stochastic-dynamics-on-networks-applied-to-nonequilibrium-glauber-dynamics
#18
Thomas Barthel, Caterina De Bacco, Silvio Franz
We introduce and apply an efficient method for the precise simulation of stochastic dynamical processes on locally treelike graphs. Networks with cycles are treated in the framework of the cavity method. Such models correspond, for example, to spin-glass systems, Boolean networks, neural networks, or other technological, biological, and social networks. Building upon ideas from quantum many-body theory, our approach is based on a matrix product approximation of the so-called edge messages-conditional probabilities of vertex variable trajectories...
January 2018: Physical Review. E
https://www.readbyqxmd.com/read/29448365/improved-belief-propagation-algorithm-finds-many-bethe-states-in-the-random-field-ising-model-on-random-graphs
#19
G Perugini, F Ricci-Tersenghi
We first present an empirical study of the Belief Propagation (BP) algorithm, when run on the random field Ising model defined on random regular graphs in the zero temperature limit. We introduce the notion of extremal solutions for the BP equations, and we use them to fix a fraction of spins in their ground state configuration. At the phase transition point the fraction of unconstrained spins percolates and their number diverges with the system size. This in turn makes the associated optimization problem highly non trivial in the critical region...
January 2018: Physical Review. E
https://www.readbyqxmd.com/read/29447995/how-effective-are-messages-and-their-characteristics-in-changing-behavioural-intentions-to-substitute-plant-based-foods-for-red-meat-the-mediating-role-of-prior-beliefs
#20
Annukka Vainio, Xavier Irz, Hanna Hartikainen
By means of a population-based survey experiment, we analysed the effectiveness of two message characteristics - message framing and the refutation of misinformation - in persuading respondents to reduce their consumption of red meat and increase that of plant-based alternatives. We also tested whether the effects of those two message characteristics were moderated by prior beliefs about the health and climate impacts of red meat consumption. The data were collected with an online survey of the adult population living in Finland (N = 1279)...
February 12, 2018: Appetite
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