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tobacco control challenges in China: Big data analysis of online tobacco marketing information

International Journal of Nursing Sciences 2020年第S1期7卷 52-60页

作者： Xiuli Wang Ying Xiong Wenwen Zhao School of New Media Peking UniversityDirector of Center for Social Media ResearchBeijingChina

Objective:To develop tobacco control strategies by analyzing online tobacco marketing information in China.Methods:Using web-crawler software,this study acquired 106,485 pieces of online tobacco marketing information published on 11 different Internet platforms including Weibo,WeChat,Baidu,etc.,from January-June 2018.The data were used to investigate the characteristics and social networks of online tobacco marketing via content and social network analysis.Results:The total volume of online tobacco marketing during the study period was high,showing a positive trend.Of all the marketing subjects,those involving"flavor capsule","Marlboro",and"Esse"were the most popular.The Weibo platform had the highest volume of online tobacco marketing information as well as the largest proportion of explicit marketing information.This was followed by other social media platforms such as Baidu Search,Baidu Tieba,and Xiaohongshu,where implicit marketing information predominated.The overall network structure of tobacco websites exhibited a significant centralization feature,where traditional and novel tobacco websites formed two clusters with almost no intersections.The China tobacco Science and Education Website(http://***/)and E-Cigarette Home(http://***/)were the two nodes of the highest degree centrality within the respective"circle",while the China tobacco Monopoly Bureau Website(http://***/)was the node with the highest closeness centrality.By contrast,Baidu Tieba's overall network structure was more decentralized,and the degree of correlation between different nodes was relatively low.Conclusion:Online tobacco marketing demonstrated high volumes and wide coverage,and an intertwined network,thereby creating major obstacles for tobacco control.To address this issue,the government should strengthen network supervision of tobacco marketing and revise its current regulations.Meanwhile,Internet platforms should improve self-regulation by comprehensively removing and blocking tobacco-related information.Lastly,the media and public

关键词： Big data China Internet Marketing Social media Social networking tobacco tobacco products

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Exclusive cigar smoking in the United States and smoking-related diseases: A systematic review

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World Journal of Meta-Analysis 2020年第3期8卷 245-264页

作者： Peter N Lee Janette S Hamling Alison J Thornton Department of Statistics P.N.Lee Statistics and Computing Ltd.SuttonSurrey SM25DAUnited Kingdom Department of Statistics RoeLee Statistics Ltd.Sutton SM25DAUnited Kingdom Independent Consultant OkehamptonDevon EX201SGUnited Kingdom

BACKGROUND Little information has been published on the risks of cigar smoking.Since 1990 cigar smoking has become more prevalent in the United States.AIM To summarise the evidence from the United States relating exclusive cigar smoking to risk of the major smoking-related diseases.METHODS Literature searches detected studies carried out in the United States which estimated the risk of lung cancer,chronic obstructive pulmonary disease(COPD),heart disease,stroke or overall circulatory disease in exclusive cigar smokers as compared to those who had never smoked any tobacco product.Papers were identified from reviews and detailed searches on MEDLINE.For each study,data were extracted onto a study database and a linked relative risk database.Relative risks and 95%CIs were extracted,or estimated,relating to current,former or ever exclusive cigar smokers,and meta-analysed using standard methods.Sensitivity analyses were conducted including or excluding results from studies that did not quite fit the full selection criteria(for example,a paper presenting combined results from five studies,where 86%of the population were in the United States).RESULTS The literature searches identified 17 relevant publications for lung cancer,four for COPD and 12 for heart disease,stroke and circulatory disease.These related to 11 studies for lung cancer,to four studies for COPD and to eight studies for heart disease,stroke or overall circulatory disease.As some studies provided results for more than one disease,the total number of studies considered was 13,with results from four of these used in sensitivity analyses.There was evidence of significant heterogeneity in some of the meta-analyses so the random-effects estimates are summarized below.As the results from the sensitivity analyses were generally very similar to those from the main analyses,and involved more data,only the sensitivity results are summarized below.For lung cancer,relative risks(95%CI)for current,former and ever smokers were respectively,2.98(2.08 to 4.26),1.61(1.23 t

关键词： tobacco products Cigar smoking Lung neoplasms Pulmonary disease Chronic obstructive Heart diseases Stroke Circulatory disease Systematic review Metaanalysis

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Design of the Temperature Control System for tobacco Leaf Redrying

Design of the Temperature Control System for Tobacco Leaf Re...

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International Conference on Electrical Information and Mechatronics(ICEIM2012)

作者： Yumei Liao College of Mechanical Engineering Xinyu University

The development of intelligent control system based on environmental parameters tobacco redrying. The use of the FNN neural network to determine the temperature and humidity of the air conditioning un

关键词： Temperature and Humidity Regulation FNN Intelligent Control TEMPERATURE CONTROL SYSTEM Conditioning units intelligent control system tobacco products Temperature control Energy conservation stable control Runtime environmental parameters

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