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mobile phones

Victoria Shelus, Nicki Ashcroft, Sarah Burgess, Monica Giuffrida, Victoria Jennings
CONTEXT: Given the proportion of Kenyan women not using hormonal contraceptives, the country appears to have a substantial need for a modern, natural family planning option. The CycleBeads® mobile phone application (app), a digital platform for the Standard Days Method® of family planning, could help address this issue. METHODS: After the CycleBeads app was promoted in Kenya in May-June 2015, a three-month pilot study was conducted to collect quantitative and qualitative data from 185 female app users...
September 1, 2017: International Perspectives on Sexual and Reproductive Health
Sanaa Al Najjar, Tamer Al Shaer
BACKGROUND: To meet the emerging needs of the increasing numbers of patients with non-communicable diseases and to provide optimum care with optimum contact time and minimum waiting time, as stated in UNRWA guidelines, the mobile phone text messaging system was implemented in UNRWA centres to remind patients of upcoming appointments and to thereby improve the quality of care for vulnerable patients and regulate the work load in the clinics for non-communicable diseases. The aim of this study was to assess the causes for lack of adherence to the appointment system at UNRWA centres...
February 21, 2018: Lancet
Prabha S Chandra, Soumya Parameshwaran, Veena A Satyanarayana, Meiya Varghese, Lauren Liberti, Mona Duggal, Pushpendra Singh, Sangchoon Jeon, Nancy R Reynolds
This qualitative study assessed psychosocial concerns that rural women with HIV who had multiple psychosocial vulnerabilities were able to express and communicate during a mobile phone intervention delivered by nurses. The study is part of a pilot randomised controlled trial of an mHealth self-care intervention by nurses for women living with HIV in rural India. For the trial, 60 women were randomised to receive the mHealth intervention. All calls were recorded and call logs were maintained. Call logs of 59 women based on 1186 calls were scanned for psychosocial themes...
March 17, 2018: Archives of Women's Mental Health
G Satta, N Mascia, T Serra, A Salis, L Saba, S Sanna, M G Zucca, E Angelucci, A Gabbas, F Culurgioni, P Pili, E Mura, M Cappai, M G Ennas, P Cocco
We investigated the association between environmental exposure to radiofrequency electromagnetic fields (RF-EMF) and risk of lymphoma subtypes in a case-control study comprised of 322 patients and 444 individuals serving as controls in Sardinia, Italy in 1998-2004. Questionnaire information included the self-reported distance of the three longest held residential addresses from fixed radio-television transmitters and mobile phone base stations. We georeferenced the residential addresses of all study subjects and obtained the spatial coordinates of mobile phone base stations...
March 16, 2018: Radiation Research
Claudio Gariazzo, Massimo Stafoggia, Silvia Bruzzone, Armando Pelliccioni, Francesco Forastiere
Use of mobile phones while driving is known to cause crashes with possible fatalities. Different habits of mobile phone use might be distracting forces and display differential impacts on accident risk; the assessment of the relative importance is relevant to implement prevention, mitigation, and control measures. This study aimed to assess the relationship between the use of mobile phones at population level and road crash fatalities in large urban areas. Data on road crashes with fatalities were collected from seven Italian metropolitan areas and matched in time and space with high resolution mobile phone traffic volume data about calls, texts, Internet connections and upload/download data...
March 12, 2018: Accident; Analysis and Prevention
Nash Ak Witten, Joseph Humphry
The Lana'i Community Health Center (LCHC) like other health care organizations, is striving to implement technology-enabled care (TEC) in the clinical setting. TEC includes such technological innovations as patient portals, mobile phone applications, wearable health sensors, and telehealth. This study examines the utilization of communication technology by members of the Lana'i community and LCHC staff and board members in the home and in their daily lives and evaluates the community's electronic health literacy...
March 2018: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
Rajeev Seth, Ibukunoluwa Akinboyo, Ankur Chhabra, Yawar Qaiyum, Anita Shet, Nikhil Gupte, Ajay K Jain, Sanjay K Jain
OBJECTIVES: Young children in resource-poor settings remain inadequately immunized. We evaluated the role of compliance-linked incentives versus mobile phone messaging to improve childhood immunizations. METHODS: Children aged ≤24 months from a rural community in India were randomly assigned to either a control group or 1 of 2 study groups. A cloud-based, biometric-linked software platform was used for positive identification, record keeping for all groups, and delivery of automated mobile phone reminders with or without compliance-linked incentives (Indian rupee Rs30 or US dollar $0...
March 14, 2018: Pediatrics
Michael E Wyde, Thomas L Horn, Myles H Capstick, John M Ladbury, Galen Koepke, Perry F Wilson, Grace E Kissling, Matthew D Stout, Niels Kuster, Ronald L Melnick, James Gauger, John R Bucher, David L McCormick
Radiofrequency radiation (RFR) causes heating, which can lead to detrimental biological effects. To characterize the effects of RFR exposure on body temperature in relation to animal size and pregnancy, a series of short-term toxicity studies was conducted in a unique RFR exposure system. Young and old B6C3F1 mice and young, old, and pregnant Harlan Sprague-Dawley rats were exposed to Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA) RFR (rats = 900 MHz, mice = 1,900 MHz) at specific absorption rates (SARs) up to 12 W/kg for approximately 9 h a day for 5 days...
March 14, 2018: Bioelectromagnetics
Songli Mei, Jingxin Chai, Shi-Bin Wang, Chee H Ng, Gabor S Ungvari, Yu-Tao Xiang
This study examined the frequency of mobile phone dependence in Chinese university students and explored its association with social support and impulsivity. Altogether, 909 university students were consecutively recruited from a large university in China. Mobile phone use, mobile phone dependence, impulsivity, and social support were measured with standardized instruments. The frequency of possible mobile phone use and mobile phone dependence was 78.3% and 7.4%, respectively. Multinomial logistic regression analyses revealed that compared with no mobile phone dependence, possible mobile phone dependence was significantly associated with being male ( p = 0...
March 13, 2018: International Journal of Environmental Research and Public Health
Ali Jasim Ramadhan
In this paper, we present a wearable smart system to help visually impaired persons (VIPs) walk by themselves through the streets, navigate in public places, and seek assistance. The main components of the system are a microcontroller board, various sensors, cellular communication and GPS modules, and a solar panel. The system employs a set of sensors to track the path and alert the user of obstacles in front of them. The user is alerted by a sound emitted through a buzzer and by vibrations on the wrist, which is helpful when the user has hearing loss or is in a noisy environment...
March 13, 2018: Sensors
David C Schwebel, Joan Severson, Yefei He
Various programs effectively teach children to cross streets more safely, but all are labor- and cost-intensive. Recent developments in mobile phone technology offer opportunity to deliver virtual reality pedestrian environments to mobile smartphone platforms. Such an environment may offer a cost- and labor-effective strategy to teach children to cross streets safely. This study evaluated usability, feasibility, and validity of a smartphone-based virtual pedestrian environment. A total of 68 adults completed 12 virtual crossings within each of two virtual pedestrian environments, one delivered by smartphone and the other a semi-immersive kiosk virtual environment...
September 2017: Virtual Reality
L Falcioni, L Bua, E Tibaldi, M Lauriola, L De Angelis, F Gnudi, D Mandrioli, M Manservigi, F Manservisi, I Manzoli, I Menghetti, R Montella, S Panzacchi, D Sgargi, V Strollo, A Vornoli, F Belpoggi
No abstract text is available yet for this article.
March 7, 2018: Environmental Research
Sanjay Sagar, Seid M Adem, Benjamin Struchen, Sarah P Loughran, Michael E Brunjes, Lisa Arangua, Mohamed Aqiel Dalvie, Rodney J Croft, Michael Jerrett, Joel M Moskowitz, Tony Kuo, Martin Röösli
BACKGROUND: The aim of this study was to quantify RF-EMF exposure applying a tested protocol of RF-EMF exposure measurements using portable devices with a high sampling rate in different microenvironments of Switzerland, Ethiopia, Nepal, South Africa, Australia and the United States of America. METHOD: We used portable measurement devices for assessing RF-EMF exposure in 94 outdoor microenvironments and 18 public transport vehicles. The measurements were taken either by walking with a backpack with the devices at the height of the head and a distance of 20-30 cm from the body, or driving a car with the devices mounted on its roof, which was 170-180 cm above the ground...
March 9, 2018: Environment International
Giuseppe Curcio
In the past 20 years of research regarding effects of mobile phone-derived electromagnetic fields (EMFs) on human cognition, attention has been one of the first and most extensively investigated functions. Different domains investigated covered selective, sustained, and divided attention. Here, the most relevant studies on this topic have been reviewed and discussed. A total of 43 studies are reported and summarized: of these, 31 indicated a total absence of statistically significant difference between real and sham signal, 9 showed a partial improvement of attentional performance (mainly increase in speed of performance and/or improvement of accuracy) as a function of real exposure, while the remaining 3 showed inconsistent results (i...
2018: Frontiers in Public Health
Jussi Jaakkola, Samuli Jaakkola, Olli Lahdenoja, Tero Hurnanen, Tero Koivisto, Mikko Pänkäälä, Timo Knuutila, Tuomas O Kiviniemi, Tuija Vasankari, K E Juhani Airaksinen
Because of the frequent asymptomatic presentation of atrial fibrillation (AF), stroke is too often its first manifestation.1 For effective stroke prevention, timely diagnosis of AF is crucial. Mobile devices are becoming ubiquitous, providing significant possibilities for screening applications. In mechanocardiography, mechanical cardiac activity is recorded with accelerometers and gyroscopes, standard components of modern smartphones.2 In our previous proof-of-concept study, smartphone mechanocardiography demonstrated 94% sensitivity and 100% specificity for detecting AF among 39 subjects...
March 11, 2018: Circulation
Ariane L Herrick, Andrea Murray
Most patients with Raynaud's phenomenon (RP) have "benign" primary RP (PRP), but a minority have an underlying cause, for example a connective tissue disease such as systemic sclerosis (SSc). Secondary RP can be associated with structural as well as functional digital vascular changes and can be very severe, potentially progressing to digital ulceration or gangrene. The first step in management is to establish why the patient has RP. This short review discusses the role of nailfold capillaroscopy and thermography in the assessment of RP...
March 8, 2018: Autoimmunity Reviews
Guy Rozen, Jeena Vaid, Seyed Mohammadreza Hosseini, M Ihsan Kaadan, Allon Rafael, Attila Roka, Yukkee C Poh, Ming-Zher Poh, Edwin Kevin Heist, Jeremy Neil Ruskin
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia in adults, associated with significant morbidity, increased mortality, and rising health-care costs. Simple and available tools for the accurate detection of arrhythmia recurrence in patients after electrical cardioversion (CV) or ablation procedures for AF can help to guide therapeutic decisions. We conducted a prospective, single-center study to evaluate the accuracy of Cardiio Rhythm Mobile Application (CRMA) for AF detection. Patients >18 years of age who were scheduled for elective CV for AF were enrolled in the study...
February 13, 2018: American Journal of Cardiology
Titus Josef Brinker, Marlene Heckl, Martina Gatzka, Markus V Heppt, Henrique Resende Rodrigues, Sven Schneider, Wiebke Sondermann, Carolina de Almeida E Silva, Michael C Kirchberger, Joachim Klode, Alexander H Enk, Sarah Knispel, Christof von Kalle, Ingo Stoffels, Dirk Schadendorf, Yasuhiro Nakamura, Stefan Esser, Aisllan Assis, Breno Bernardes-Souza
BACKGROUND: The incidence of melanoma is increasing faster than any other major cancer both in Brazil and worldwide. Southeast Brazil has especially high incidences of melanoma, and early detection is low. Exposure to ultraviolet (UV) radiation is a primary risk factor for developing melanoma. Increasing attractiveness is a major motivation among adolescents for tanning. A medical student-delivered intervention that takes advantage of the broad availability of mobile phones and adolescents' interest in their appearance indicated effectiveness in a recent study from Germany...
March 9, 2018: JMIR MHealth and UHealth
John F Hunter, Emily D Hooker, Nicolas Rohleder, Sarah D Pressman
OBJECTIVE: Mobile phones are increasingly becoming a part of the social environment, and when an individual feels excluded during a socially stressful situation, they often retreat to the comfort of their phone to ameliorate the negativity. This study tests whether smartphone presence does, in fact, alter psychological and physiological responses to social stress. METHODS: Participants (N=148, 84% female, mean age=20.4) were subjected to a peer, social-exclusion stressor...
March 8, 2018: Psychosomatic Medicine
Bridianne O'Dea, Melinda Rose Achilles, Aliza Werner-Seidler, Philip J Batterham, Alison L Calear, Yael Perry, Fiona Shand, Helen Christensen
BACKGROUND: Adolescence can be a fertile time for relationship issues, with interpersonal conflict being a risk factor for poor mental health. Mobile app interventions may have a significant appeal to young people in assisting with relationship distress. However, currently available apps have not been formally evaluated. Youths' perspectives on engaging with mobile technology to assist with relationships are also unknown. OBJECTIVE: This study aimed to examine adolescents' attitudes toward the concept of a mobile phone app for relationship help and support, and whether they would be likely to use such an intervention...
March 8, 2018: JMIR MHealth and UHealth
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