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https://www.readbyqxmd.com/read/28734115/regularized-estimation-in-sparse-high-dimensional-multivariate-regression-with-application-to-a-dna-methylation-study
#1
Haixiang Zhang, Yinan Zheng, Grace Yoon, Zhou Zhang, Tao Gao, Brian Joyce, Wei Zhang, Joel Schwartz, Pantel Vokonas, Elena Colicino, Andrea Baccarelli, Lifang Hou, Lei Liu
In this article, we consider variable selection for correlated high dimensional DNA methylation markers as multivariate outcomes. A novel weighted square-root LASSO procedure is proposed to estimate the regression coefficient matrix. A key feature of this method is tuning-insensitivity, which greatly simplifies the computation by obviating cross validation for penalty parameter selection. A precision matrix obtained via the constrained ℓ1 minimization method is used to account for the within-subject correlation among multivariate outcomes...
July 26, 2017: Statistical Applications in Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28732232/periodicity-and-stability-for-variable-time-impulsive-neural-networks
#2
Hongfei Li, Chuandong Li, Tingwen Huang
The paper considers a general neural networks model with variable-time impulses. It is shown that each solution of the system intersects with every discontinuous surface exactly once via several new well-proposed assumptions. Moreover, based on the comparison principle, this paper shows that neural networks with variable-time impulse can be reduced to the corresponding neural network with fixed-time impulses under well-selected conditions. Meanwhile, the fixed-time impulsive systems can be regarded as the comparison system of the variable-time impulsive neural networks...
June 29, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28732126/chinese-isms-dimensions-in-mainland-china-and-taiwan-convergence-and-extension-of-american-isms-dimensions
#3
Zhuo Job Chen, Kung-Yu Hsu, Xinyue Zhou, Gerard Saucier
OBJECTIVE: Previous studies of American-English isms terms have uncovered as many as five broad factors: Tradition-oriented Religiousness (TR), Subjective Spirituality (SS), Communal Rationalism (CR), Unmitigated Self-Interest (USI), and Inequality Aversion (IA). The present studies took a similar lexical approach to investigate the Chinese-language isms structures in both mainland China and Taiwan. METHOD AND RESULTS: In Study 1, exploratory factor analyses with 915 mainland Chinese subjects uncovered four interpretable factors dimensionalizing 165 mainland Chinese dictionary isms terms...
July 21, 2017: Journal of Personality
https://www.readbyqxmd.com/read/28731807/distribution-of-citations-received-by-scientific-papers-published-in-the-imaging-literature-from-2001-to-2010-decreasing-inequality-and-polarization
#4
Soo Jeong Yoon, Dae Young Yoon, Hyung Jin Lee, Sora Baek, Kyoung Ja Lim, Young Lan Seo, Eun Joo Yun
OBJECTIVE: The objective of this study was to assess the distribution of citations received by scientific papers published in the imaging literature between 2001 and 2010. MATERIALS AND METHODS: We extracted the number of citations of all articles and reviews for 5 years after publication using the Scopus (Elsevier) citation database of imaging journals between 2001 and 2010. We quantitatively analyzed article and review citations from each journal and each year, including the number, proportion, and annual number of citations of the most- (≥ 20 citations) and least-cited (three or fewer citations) papers; ratio of most-cited to least-cited papers; 75/25 percentile citation ratio; 90/10 percentile citation ratio; Gini coefficient; and Kolkata index...
August 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28731745/event-ready-bell-test-using-entangled-atoms-simultaneously-closing-detection-and-locality-loopholes
#5
Wenjamin Rosenfeld, Daniel Burchardt, Robert Garthoff, Kai Redeker, Norbert Ortegel, Markus Rau, Harald Weinfurter
An experimental test of Bell's inequality allows ruling out any local-realistic description of nature by measuring correlations between distant systems. While such tests are conceptually simple, there are strict requirements concerning the detection efficiency of the involved measurements, as well as the enforcement of spacelike separation between the measurement events. Only very recently could both loopholes be closed simultaneously. Here we present a statistically significant, event-ready Bell test based on combining heralded entanglement of atoms separated by 398 m with fast and efficient measurements of the atomic spin states closing essential loopholes...
July 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28731036/stroke-in-women-from-evidence-to-inequalities
#6
REVIEW
Charlotte Cordonnier, Nikola Sprigg, Else Charlotte Sandset, Aleksandra Pavlovic, Katharina S Sunnerhagen, Valeria Caso, Hanne Christensen
Stroke is the second largest cause of disability-adjusted life-years lost worldwide. The prevalence of stroke in women is predicted to rise rapidly, owing to the increasing average age of the global female population. Vascular risk factors differ between women and men in terms of prevalence, and evidence increasingly supports the clinical importance of sex differences in stroke. The influence of some risk factors for stroke - including diabetes mellitus and atrial fibrillation - are stronger in women, and hypertensive disorders of pregnancy also affect the risk of stroke decades after pregnancy...
July 21, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28730174/monitoring-health-inequalities-at-the-municipal-level-lithuanian-experience
#7
Snieguole Kaseliene, Olga Mesceriakova-Veliuliene, Jurgita Vladickiene, Ramune Kalediene, Neringa Seseikaite, Mindaugas Stankunas
This study aimed to assess the attitudes of Lithuanian public health professionals towards health inequality monitoring in municipalities. The survey was conducted in public health bureaus (PHBs) and administrations of municipalities in March 2015. All employees of PHBs, all municipal doctors and all employees of health departments were invited to participate in the study (N=318; response rate, 47.2%). The study participants had positive attitudes towards the importance of health inequality monitoring at the municipal level, meanwhile systematic health inequality monitoring was assessed moderately...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28730069/exploration-of-the-academic-lives-of-students-with-disabilities-at-south-african-universities-lecturers-perspectives
#8
Oliver Mutanga, Melanie Walker
BACKGROUND: A decade has passed since South Africa signed and ratified the Convention on the Rights of Persons with Disabilities, a human rights treaty that protects the rights and dignity of people with disabilities. However, not much have changed for students with disabilities. OBJECTIVES: The aim of this study was to explore lecturers' experiences with, and perspectives on, disability as well as with students with disabilities. It was hoped that this would contribute to the ongoing policy debates about diversity, inclusion and support for students with disabilities at universities...
2017: Afr J Disabil
https://www.readbyqxmd.com/read/28730067/practices-and-discourses-of-ubuntu-implications-for-an-african-model-of-disability
#9
Maria Berghs
BACKGROUND: Southern African scholars and activists working in disability studies have argued that ubuntu or unhu is a part of their world view. OBJECTIVES: Thinking seriously about ubuntu, as a shared collective humanness or social ethics, means to examine how Africans have framed a struggle for this shared humanity in terms of decolonisation and activism. METHOD: Three examples of applications of ubuntu are given, with two mainly linked to making explicit umaka...
2017: Afr J Disabil
https://www.readbyqxmd.com/read/28729597/preventive-dental-visiting-a-critical-interpretive-synthesis-of-theory-explaining-how-inequalities-arise
#10
(no author information available yet)
Positive experiences from dental visits, particularly for those patients from low socioeconomic status, feed into future 'help-seeking behaviour'.
July 21, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28729310/socioeconomic-inequalities-in-caries-experience-care-level-and-dental-attendance-in-primary-school-children-in-belgium-a-cross-sectional-survey
#11
Martijn J Lambert, Jacques S N Vanobbergen, Luc C Martens, Luc M J De Visschere
OBJECTIVES: Oral health inequality in children is a widespread and well-documented problem in oral healthcare. However, objective and reliable methods to determine these inequalities in all oral health aspects, including both dental attendance and oral health, are rather scarce. AIMS: To explore oral health inequalities and to assess the impact of socioeconomic factors on oral health, oral health behaviour and dental compliance of primary school children. METHODS: Data collection was executed in 2014 within a sample of 2216 children in 105 primary schools in Flanders, by means of an oral examination and a validated questionnaire...
July 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28729307/occupational-class-differences-in-long-sickness-absence-a-register-based-study-of-2-1-million-finnish-women-and-men-in-1996-2013
#12
Johanna Pekkala, Jenni Blomgren, Olli Pietiläinen, Eero Lahelma, Ossi Rahkonen
OBJECTIVES: Sickness absence is consistently higher in lower occupational classes, but attempts to analyse changes over time in socioeconomic differences are scarce. We examined trends in medically certified sickness absence by occupational class in Finland from 1996 to 2013 and assessed the magnitude and changes in absolute and relative occupational class differences. DESIGN: Population-based, repeated cross-sectional study. SETTING: A 70% random sample of Finns aged between 25 and 63 years in the years 1996-2013...
July 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28729237/development-and-use-of-health-related-technologies-in-indigenous-communities-critical-review
#13
Louise Jones, Kristen Jacklin, Megan E O'Connell
BACKGROUND: Older Indigenous adults encounter multiple challenges as their age intersects with health inequities. Research suggests that a majority of older Indigenous adults prefer to age in place, and they will need culturally safe assistive technologies to do so. OBJECTIVE: The aim of this critical review was to examine literature concerning use, adaptation, and development of assistive technologies for health purposes by Indigenous peoples. METHODS: Working within Indigenous research methodologies and from a decolonizing approach, searches of peer-reviewed academic and gray literature dated to February 2016 were conducted using keywords related to assistive technology and Indigenous peoples...
July 20, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28728554/the-rise-and-fall-of-dental-therapy-in-canada-a-policy-analysis-and-assessment-of-equity-of-access-to-oral-health-care-for-inuit-and-first-nations-communities
#14
Victoria Leck, Glen E Randall
BACKGROUND: Inequality between most Canadians and those from Inuit and First Nations communities, in terms of both access to oral health care services and related health outcomes, has been a long-standing problem. Efforts to close this equity gap led to the creation of dental therapy training programs. These programs were designed to produce graduates who would provide services in rural and northern communities. The closure of the last dental therapy program in late 2011 has ended the supply of dental therapists and governments do not appear to have any alternative solutions to the growing gap in access to oral health care services between most Canadians and those from Inuit and First Nations communities...
July 20, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28728550/exploring-status-and-determinants-of-prenatal-and-postnatal-visits-in-western-china-in-the-background-of-the-new-health-system-reform
#15
Xiaojing Fan, Zhongliang Zhou, Shaonong Dang, Yongjian Xu, Jianmin Gao, Zhiying Zhou, Min Su, Dan Wang, Gang Chen
BACKGROUND: Prenatal and postnatal visits are two effective interventions for protection and promotion of maternal health by reducing maternal mortality and improving the quality of birth. There is limited nationally representative data regarding the changes of prenatal and postnatal visits since the latest health system reform initiated in 2009 in Shaanxi, China. The aim of this study was to explore the current status and determinants of prenatal and postnatal visits in the background of new health system reform...
July 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28728533/lifestyle-inequalities-explaining-socioeconomic-differences-in-preventive-practices-of-clinically-overweight-women-after-menopause
#16
Mélisa Audet, Alex Dumas, Rachelle Binette, Isabelle J Dionne
Excess weight and menopause are two major factors increasing aging women's vulnerability to chronic diseases. However, social position and socioeconomic status have also been identified as major determinants influencing both health behaviors and the development of such diseases. This study focuses on the socioeconomic variations of behavioral risk factors of chronic diseases in aging women. By drawing on Bourdieu's sociocultural theory of practice, 40 semistructured interviews were conducted to investigate preventive health practices of clinically overweight, postmenopausal women from contrasting socioeconomic classes living in Canada...
August 2017: Qualitative Health Research
https://www.readbyqxmd.com/read/28728347/pros-and-cons-of-health-transformation-program-in-iran-evidence-from-financial-outcomes-at-household-level
#17
Enayatollah Homaie Rad, Vahid Yazdi-Feyzabadi, Shahrokh Yousefzadeh-Chabok, Abolhasan Afkar, Ahmad Naghibzadeh Tahami
Purpose: Health transformation program (HTP) is one of the recent reforms in health system of Iran implemented in early 2014. Improving the equity of payments and reducing out of pocket (OOP) and catastrophic health expenditures (CHE) were some of the program's important goals. In this study these goals were evaluated using a before-after analysis. Methods: Household income and expenditures data of Guilan province were gathered for years 2013-2015. OOP payments for outpatient, inpatient and drug services were calculated and the results were compared using propensity score matching technique after adjustment of confounding variables...
July 18, 2017: Epidemiology and Health
https://www.readbyqxmd.com/read/28727523/from-lead-exposure-in-early-childhood-to-adolescent-health-a-chicago-birth-cohort
#18
Alix S Winter, Robert J Sampson
OBJECTIVES: To assess the relationships between childhood lead exposure and 3 domains of later adolescent health: mental, physical, and behavioral. METHODS: We followed a random sample of birth cohort members from the Project on Human Development in Chicago Neighborhoods, recruited in 1995 to 1997, to age 17 years and matched to childhood blood test results from the Department of Public Health. We used ordinary least squares regression, coarsened exact matching, and instrumental variables to assess the relationship between average blood lead levels in childhood and impulsivity, anxiety or depression, and body mass index in adolescence...
July 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28726477/south-asian-ethnicity-socioeconomic-status-and-psychological-mediators-of-faecal-occult-blood-colorectal-screening-participation-a-prospective-test-of-a-process-model
#19
Sheina Orbell, Ala Szczepura, David Weller, Anil Gumber, Martin S Hagger
OBJECTIVE: Although ethnicity and socioeconomic status (SES) correlate with health inequality, efforts to explain variance in health behavior attributable to these factors are limited by difficulties in population sampling. We used ethnicity identification software to test effects of psychological beliefs about screening as mediators of ethnicity and SES on faecal occult blood colorectal screening behavior in a no-cost health care context. METHOD: Adults aged 50-67 years (N = 1,678), of whom 28% were from minority South Asian religiolinguistic ethnic groups (Hindu-Gujarati/Hindi, Muslim-Urdu and Sikh-Punjabi), participated in a prospective survey study...
July 20, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28724460/health-and-well-being-promotion-strategies-for-hard-to-reach-older-people-in-england-a-mapping-exercise
#20
Steve Iliffe, Kate Walters, Jill Manthorpe, Claire Goodman, Kalpa Kharicha
BACKGROUND: Older people from deprived areas, the oldest old and those from ethnic minorities engage less in health promotion interventions and related research, potentially generating inequities. Aim To explore and map the extent to which such 'hard to reach' groups of older people, are the focus of local health and well-being strategies in England. METHODS: Document analysis of current health and well-being promotion strategies in a purposive sample of 10 localities in England with high proportions of some or all of the three hard to reach groups...
July 20, 2017: Primary Health Care Research & Development
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