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> Maps and cluster evaluation had been carried
Lundgren
post Sep 14, 2017, 08:24 AM
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In cluster number four, chlorine (62 occurrences), trihalomethane (43 occurrences), and asthma (27 occurrences) were most frequent terms. Ultimately, cluster number 5 contained one particular term which was H. pylori (31 occurrences). Other terms encountered in every cluster is usually seen in the density visualization map. Of particular note would be the term Bangladesh, Taiwan, Nepal which were seen in cluster number 3 in addition to arsenic. The term WHO was also observed often in cluster quantity a single in addition to diarrhea and gastroenteritis. Applying Poisson loglinear regression and working with the number of articles with keyword "microbiology" as a predictor variable showed that the number of articles on water microbiology is usually a considerable (P 0.01) predictor of worldwide productivity of water connected health publications (Table 1). The model showed that the worldwide productivity will be 1.059 instances higher for every further short article published on water microbiology. In other words, there is a five.9 boost within the quantity of publications for each and every added article published on water microbiology.Journal, country, author, and institutional productivityA total of 2267 publications was retrieved from Scopus making use of the search query presented inside the methodology section. The total citations for retrieved publications was 38,219; an average of 16.82 citations per document.Maps and cluster analysis have been carried out utilizing VOSviewer technique (Nees Jan van Eck and Ludo Waltman, Leiden University's Centre for Science and Technologies Studies) [20]. The top quality of publications was assessed applying total citations, citations per write-up, and Hirshindex (h-index). These parameters had been applied to assessSweileh et al. Annals of Occupational and Environmental Medicine (2016) 28:Web page 3 ofquality of publications by journals, nations, and institutions. In addition to these parameters, impact element (IF) was made use of as an indicator of journal strength publishing articles on water related wellness complications. Relating to the h-index, it is obtained directly from Scopus. To have the h-index for authors, the data retrieved had to become restricted to publications by every single author and Scopus will calculate the total citations and h-index quickly as an inherent function in Scopus. Similarly, the h-index for any nation, institution, or maybe a journal is calculated by limiting information for the country or institution or journal that we are keen on, the Scopus will do the citation evaluation and h-index straight. Regarding IF, it was obtained in the most recent Journal Citation Report published by Thompson Reuters. Poisson regression is a type of regression evaluation that is definitely utilized to test the significance of any related term as a predictor of a count variable. Poison regression requires a dependent variable and a single or far more independent variables as co-variate. Within the present study, annual worldwide publications on water connected illnesses was utilised as a dependent variable. Search phrases used as a single independent co-variate had been chosen primarily based around the keyword list made by Scopus for the retrieved information.ResultsGeneral informationoccurrences), and cryptosporidiosis (82 occurrences). In cluster number two, the following terms had been most common: USA (79 occurrences), EPA (77 occurrences), and fluoride (73 occurrences). Cluster number 3 contained the following major frequent terms: Arsenic (238 occurrences), cancer (112 occurrences), and cardiovascular (55 occurrences).
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