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Users Intention for Continuous Usage of Mobile News Apps:the Roles of Quality,Switching costs,and Personalization

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Journal of Systems Science and Systems Engineering 2019年第1期28卷 91-109页

作者： Qiongwei Ye Yumei Luo Guoqing Chen Xunhua Guo Qiang Wei Shuyan Tan China Retail Research Center School of Economics and Management Tsinghua University Beijing 100084 China Business School Yunnan University of Finance and Economics Kunming 650032 China College of Business and Tourism Management Yunnan University Kunming 650091 China

Mobile news apps have emerged as a significant means for learning about latest news and trends. However, in light of numerous news apps and information overload, motivating users to adopt one app is a major concern for both the industry and academia. Therefore, considering the attributes of mobile news and the debate on switching costs in the Internet context, based on the expectation-confirmation model (ECM), this study suggests that switching costs still exist and have a significant moderating effect on user satisfaction and continuous usage of mobile news apps. Furthermore, the different influences of information quality, system quality and service quality on continuance intention, user satisfaction and switching costs are discussed, showing that quality of information has a significant impact on users’ continuous usage of mobile news apps through increasing perceived usefulness, whereas personalized service quality have stronger effects through increasing user satisfaction and switching costs.

关键词： Personalized recommendation switching costs mobile news apps expectation-confirmation model

costs resulting from nonprofessional soccer injuries in Switzerland:A detailed analysis

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Journal of Sport and Health Science 2020年第3期9卷 240-247页

作者： Angela Gebert Markus Gerber Uwe Pühse Philippe Gassmann Hanspeter Stamm Markus Lamprecht Lamprecht und Stamm Sozialforschung und Beratung Zurich CH8032Switzerland Department of Sport Exercise and HealthSport Science SectionUniversity of BaselBasel CH4052Switzerland Suva(Swiss National Accident Insurance Fund) CH6002 LuzernSwitzerland

Background:Soccer injuries constitute an important public health problem and cause a high economic ***,comprehensive data regarding injury costs in nonprofessional soccer are *** aim of this study was to determine which groups of nonprofessional soccer athletes,injury types,and injury situations caused high injury ***:A cross-sectional,retrospective telephone survey was carried out with a random sample of persons who had sustained a soccer injury between July 2013 and June 2014 and who had reported this accident to the Swiss National Accident Insurance Fund(Suva).One year after the corresponding accident,every injury was linked to its costs and to the answers obtained in the interview about injury setting,injury characteristics,and injury ***,the costs of 702 injuries were ***:The average cost of an injury in nonprofessional soccer amounted to€4030(bias-corrected and accelerated 95%confidence interval(BCa 95%CI):3427-4719).Persons aged 30 years and older experienced 35%of soccer injuries but accounted for 49%of all costs.A total of58%of all costs were the result of injuries that occurred during amateur *** particular,game injuries sustained by players in separate leagues for players aged 30+/40+years led to high average costs of€8190(BCa 95%CI:5036-11,645).Knee injuries accounted for 25%of all injuries and were responsible for 53%of all *** contact and foul play did not lead to above-average costs,twisting or turning situations were highly cost relevant,leading to an average sum of€7710(BCa 95%CI:5376-10,466)per ***:Nonprofessional soccer players aged 30 years and older and particularly players in 30+/40+leagues had above-average injury ***,the prevention of knee injuries,noncontact and nonfoul play injuries,and injuries caused by twisting and turning should be of highest priority in decreasing health care costs.

关键词： Amateur soccer Cost analysis Injury causes Injury characteristics Injury costs

Effects of aggregating forests, establishing forest road networks, and mechanization on operational efficiency and costs in a mountainous region in Japan

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Journal of Forestry Research 2013年第4期24卷 747-754页

作者： Kazuhiro Aruga Gyo Hiyamizu Chikara Nakahata Masashi Saito Department of Forest Science Faculty of AgricultureUtsunomiya University Frontier Agriscience and Technology Center Faculty of AgricultureShinshu University

We investigated forest road networks and forestry operations before and after mechanization on aggregated forestry operation sites. We developed equations to estimate densities of road networks with average slope angles, operational efficiency of bunching operations with road network density, and average forwarding distances with operation site areas. Subsequently, we analyzed the effects of aggregating forests, establishing forest road networks, and mechanization on operational efficiency and costs. Six ha proved to be an appropriate operation site area with minimum operation expenses. The operation site areas of the forest owners＇ cooperative in this region aggregated approximately 6 ha and the cooperative conducted forestry operations on aggregated sites. Therefore, 6 ha would be an appropriate operation site area in this region. Regarding road network density, higher-density road networks increased operational expenses due to the higher direct operational expenses of strip road establishment. Therefore, road network density should be reduced to approximately 200 m.

关键词： aggregating forests establishing forest road networks mechanization operational efficiency costs

Mitigating climate change through diet choice:costs and CO_(2) emissions of different cookery book-based dietary options in Germany

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Advances in Climate Change Research 2020年第4期11卷 392-400页

作者： Karin KOLBE Faculty of Mathematics and Sciences University of Koblenz-LandauKoblenz56068Germany

The human-food sector is one of the most challenging areas when it comes to greenhouse gas(GHG)*** this study,recipes from similar cookery books were analysed to identify the extent to which CO_(2) reduction can be achieved cost-effectively by cooking vegan,ovo-lactovegetarian or meat-containing recipes.A total of 311 recipes from six different German omnivorous,vegetarian and vegan cookery books were analysed in terms of GHG emissions and *** results illustrate that,based on calories,the vegan recipes on average lead to a 10% reduction in GHGs compared to vegetarian recipes and a 65% reduction compared to recipes high in *** costs for vegan recipes are 45% higher than those for vegetarian *** relatively high prices for vegan dishes result from the cost of meat and dairy replacement ***,GHG emissions from vegan recipes are only slightly lower than those from vegetarian recipes.

关键词： Climate change Nutrition Greenhouse gas emissions Meat Vegetarian Vegan costs

Effects of Preoperative Risk Stratification on Direct In-hospital costs for Chinese Patients with Coronary Artery Bypass Graft:A Single Center Analysis

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Current Medical Science 2018年第6期38卷 1075-1080页

作者： Mei YANG Jia HAO Zhao JIAN Ying-bin XIAO Lai-xin ZHOU Department of Cardiovascular Surgery Xinqiao HospitalArmy Medical UniversityChongqing 400037China Southwest Hospital Army Medical UniversityChongqing 400038China

The purpose of this study was to analyze the components of inpatient costs for coronary artery bypass graft(CABG)according to preoperative risk stratification and to provide evidence for improvement of diagnosis-related groups(DRGs)*** patients(n=458)receiving an isolated CABG between January 2014 and December 2016 in a tertiary referral center,in southwest China,were *** mortality was predicted by the EuroSCORE Ⅱ for each patient. The patients were subdivided into two groups according to the observed mortality(1.97%,9/458):a high-risk group(group H,predicted mortality≥1.97%)and a low-risk group(group L,predicted mortalitycosts,and reimbursement expenses were compared between the two *** differences existed between group L and group H in postoperative mortality(0.4% vs.3.4%;P=0.02),postoperative complications(10.6% vs.45.7%;Pcosts($20 256±3096vs.$23 334±6332;Pcosts;medical insurance

关键词： coronary artery bypass graft risk stratification hospital costs medical insurance payment

Use of a saline-coupled bipolar sealer open liver resection for hepatic malignancy: Medical resource use and costs

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World Journal of Gastroenterology 2016年第46期22卷 10189-10197页

作者： Christine I Nichols Joshua G Vose Medtronic Advanced Energy 180 Intemational Drive Portsmouth NH 03801 United States

AIM To evaluate outcomes associated with use of a saline coupled bipolar sealer during open partial liver *** This retrospective analysis utilized the United States Premier? insurance claims database(2010-2014). Patients were selected with codes for liver malignancy and partial hepatectomy or lobectomy. Cases were defined by use the saline-coupled bipolar sealer; controls had no use. A Propensity Score algorithm was used to match one case to five controls. A deviationbased cost modeling(DBCM) approach provided an estimate of *** One hundred and forty-four cases and 720 controls were available for analysis. Patients in the case cohort received fewer transfusions vs controls(18.1% vs 29.4%, P = 0.007). In DBCM, more patients in the case cohort experienced "on-course" hospitalizations(53.5% vs 41.9%, P = 0.009). The cost calculation showed an average savings in total hospitalization costs of $1027 for cases vs controls. In multivariate analysis, cases had lower odds of receiving a transfusion(OR = 0.44, 95%CI: 0.27-0.71, P = 0.0008).CONCLUSION Use of a saline-coupled bipolar sealer was associated with a greater proportion of patients with an "on course" hospitalization.

关键词： Liver resection hepatocellular carcinoma costs

Patients direct costs to undergo TB diagnosis

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Infectious Diseases of Poverty 2016年第1期5卷 221-229页

作者： Rachel M.Anderson de Cuevas Lovett Lawson Najla Al-Sonboli Nasher Al-Aghbari Isabel Arbide Jeevan B.Sherchand Emenyonu E.Nnamdi Abraham Aseffa Mohammed A.Yassin Saddiq T.Abdurrahman Joshua Obasanya Oladimeji Olanrewaju Daniel Datiko Sally J.Theobald Andrew Ramsay S.Bertel Squire Luis E.Cuevas Liverpool School of Tropical Medicine Pembroke PlaceLiverpool L35QAUK Zankli Medical Center AbujaNigeria Bingham University Nassarawa StateAbujaNigeria Medical Faculty Sana’a UniversitySana’aYemen National Tuberculosis Institute Sana’aYemen Bushullo Major Health Centre AwassaEthiopia Tribhuvan University Institute of Medicine KathmanduNepal Armauer Hansen Research Institute Addis AbabaEthiopia The Global Fund to Fight AIDS Tuberculosis and MalariaGenevaSwitzerland Federal Capital Territory Tuberculosis and Leprosy Control Programme AbujaNigeria Nigeria Tuberculosis and Leprosy Control Programme AbujaNigeria REACH Ethiopia HawassaEthiopia UNICEF/UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases World Health OrganizationGenevaSwitzerland

Background:A major impediment to the treatment of TB is a diagnostic process that requires multiple *** of patient costs associated with diagnosis use different protocols and are not ***:We aimed to describe the direct costs incurred by adults attending TB diagnostic centres in four countries and factors associated with expenditure for *** of 2225 adults attending smear-microscopy centres in Nigeria,Nepal,Ethiopia and ***>18 years with cough>2 weeks were enrolled *** costs were quantified using structured *** with costs>75^(th) quartile were considered to have high expenditure(cases)and compared with patients with costscosts incurred by patients are substantial and share common patterns across *** user fees,transparent charging policies and reimbursing clinic expenses would reduce the poverty-inducing effects of direct diagnostic *** locations with limited resources,support could be prioritised for those most at risk of high expenditure;those who are illiterate,attend the service with company and rural residents.

关键词： Tuberculosis costs Access to healthcare Ethiopia Nepal Nigeria Yemen

In-hospital direct costs for thromboembolism and bleeding in Chinese patients with atrial fibrillation

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Chronic Diseases and Translational Medicine 2018年第2期4卷 127-134页

作者： San-Shuai Chang Jia-Hui Wu Yi Liu Ting Zhang Xin Du Jian-Zeng Dong Gregory Y.H. Lip Chang-Sheng Ma Department of Cardiology Beijing Anzhen HospitalCapital Medical UniversityNational Clinical Research Centre for Cardiovascular DiseasesBeijing 100029China Department of Cardiology Xuzhou Center HospitalXuzhouJiangsu 221000China University of Birmingham Institute of Cardiovascular Sciences City HospitalBirmingham B18 7QHUnited Kingdom

Objective: Limited data are available on the direct costs of hospitalization owing to thromboembolism and bleeding in patients with atrial fibrillation (AF) in China. Such data are essential for policy development, service planning, and cost-effectiveness analysis of new therapeutic strategies. This study aimed to provide detailed data regarding in-hospital direct costs for these pa-tients, compare the costs at different scenarios, and identify independent factors that may predict the costs. Methods: We collected data regarding in-hospital direct costs among patients with AF who were hospitalized owing to ischemic stroke (IS), transient ischemic attack (TIA), intracranial hemorrhage (ICH), or major gastrointestinal bleeding. All data were collected from 7 representative tertiary referral hospitals and 3 secondary care hospitals from December 2009 to October 2014. Results: In total, 312 eligible patients with thromboembolism and 143 patients with major bleeding were identified, and their hospital charts were reviewed. The median in-hospital direct costs were 17,857 Chinese Yuan (CNY) for IS and 16,589 CNY for TIA (equivalent to 2907 US dollars and 2701 US dollars, respectively). For patients with major bleeding, the costs were 27,924 CNY for ICH and 18,196 CNY for major gastrointestinal bleeding (equivalent to 4546 US dollars and 2962 US dollars, respec-tively). The direct costs were mainly driven by medications, which accounted for approximately 33.4%-36.1% in different groups of patients. The direct costs were highly related to the hospital level and National Institutes of Health Stroke Scale scores in patients with thromboembolism; in patients with ICH, the factors included hospital level, warfarin treatment before admission, and prior hospitalization for stroke. Conclusions: Given the high prevalence, AF-related thromboembolism and bleeding impose considerable economic burden on the Chinese society. Efforts to improve the management of AF may confer substantial e

关键词： Atrial fibrillation Ischemic stroke Bleeding In-hospital direct costs

The Overpaid and Underpaid:A Comparison of Labor costs in Nonprofit and For-Profit Service Organizations

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Fudan Journal of the Humanities and Social Sciences 2019年第1期12卷 117-136页

作者： Jianzhi Zhao Jiahuan Lu School of International Relations and Public Affairs Fudan UniversityHandan Road 220 YangpuShanghai 200433China School of Public Affairs and Administration Rutgers University-Newark111 Washington StreetNewarkNJ 07102USA

The comparison between nonprofit and for-profit organizations has been a lingering question for scholars and *** research explores employee wage differentials across sectors using a national sample of child care *** controlling for a range of individual,occupational,organizational,and community factors,this research reports a significant wage premium for nonprofit child care *** addition,this study finds evidence for both the labor donation and property rights hypotheses,but the property rights theory demonstrates comparatively stronger explanatory *** individuals with stronger intrinsic motivation are more willing to donate labor for charitable outputs,inefficient management in nonprofits actually sets wage levels over the market ***,the study highlights nonprofits*comparative advantage in employee motivation but disadvantage in efficient *** findings have implications for public and nonprofit management.

关键词： Labor costs Labor donation Property rights Human services