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Haematological changes among construction workers exposed to cement dust in West Bengal, India

100%
Mandal(Majee) A., Suva P.
Progress in Health Sciences
|
2014
|
vol. 4
|
issue 1
88-94
XX
Purpose: This study measured haematological parameters in construction workers exposed to cement dust, silica and other hazardous materials. This was done in order to identify a simple, readily available, and cost effective screening test that could help to identify the presence of disease and its severity in workers potentially related to their work space. Materials and methods: The study was composed of 150 construction workers and 52 participants in an unexposed control group, with ages ranging from 15-60 years. Blood samples were collected from each participant and percentage of haemoglobin, total RBC count, WBC count, platelet count, and different RBC indices were analyzed. Results: The haemoglobin concentration, PCV, and MCV decreased significantly, but the MCHC and eosinophil counts increased significantly in comparison to the control group, though the increase in the monocyte count was not significant. No significant changes in haematological parameters with a year of exposure have been found. However, the percentage of prevalence of anaemia on the basis of haemoglobin concentration and PCV value were higher in construction workers in comparison to members of the control group. Conclusion: This study recommends that construction workers working in hazardous environments must support health education and should regularly use protective devices in their workplace. They must also have regular medical checkups, which might help detect disease in early stages.
2
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Review and Analysis of Selected Customer Value Measurement Methods

84%
Kubacka M.
Studia i Materiały
|
2020
|
issue 1(32)
34-46
PL
Nieustającym zainteresowaniem cieszą się metody pomiaru wartości klienta. Obszar ten wydaje się być szeroko opisywany w literaturze, niemniej jednak nieco ogólnie. Ważne jest, aby przeanalizować poszczególne metody kompleksowo w kontekście klienta i przedsiębiorstwa. Celem tego artykułu jest analiza najczęściej prezentowanych w literaturze metod pomiaru wartości klienta, a także ocena możliwości rzetelnego ich zastosowania oraz wskazanie ograniczeń wynikających z konstrukcji modelów ich obliczeń. Niezwykle istotnym celem jest konstruktywne zaproponowanie rozwiązań kwestii problematycznych analizowanych metod. W celu zrealizowania celów pracy, zaprezentowane zostały metody pomiaru wartości klienta. Na tej podstawie autorka wskazała elementy problematyczne, które stanowią wytyczne dla dalszych badań. Zastosowano przegląd literatury oraz analizę badań przeprowadzonych z wykorzystaniem metod będących przedmiotem pracy. Wnioski płynące z podjętych działań wskazują niejednoznaczność metod pomiaru wartości klienta, ich zróżnicowanie, a co najistotniejsze brak możliwości wiarygodnego ustalenia niektórych elementów składowych metodologii, szczególnie dla długookresowej wartości klienta. Zaprezentowana analiza stanowi propozycję w zakresie kompleksowego spojrzenia na problematykę wyceny wartości klienta oraz element dalszej dyskusji naukowo-empirycznej. Oryginalność pracy polega na przedstawieniu propozycji kwantyfikacji mierników niefinansowych będących składową metodologii pomiaru wartości klienta.
EN
The methods of measuring customer value are of constant interest. This area is widely described in the literature, but nevertheless somewhat generally. It is important to analyse the different methods comprehensively in the context of the customer and the company. The aim of this paper is to analyse the methods of measuring customer value most often presented in the literature, as well as to assess the possibility of their reliable application and to indicate the limitations resulting from the construction of models of their calculations. One very important goal is to constructively propose solutions to the problematic issues in the methods analysed. In order to achieve the objectives of the paper, methods of measuring customer value are presented. On this basis, the author has identified problematic elements that constitute guidelines for further research. A literature review and analysis of studies carried out with the use of the methods discussed is applied. The conclusions of this research indicate ambiguity in the methods of measuring customer value, their diversity and, most importantly, the inability to reliably determine certain components of the methodology, especially for customer lifetime value. The analysis presented constitutes a proposal for a comprehensive look at the issue of customer value assessment and an element of further scientific and empirical discussion. The originality of the research consists in presenting a proposal for quantification of non-financial measures, which are a component of the methodology of measuring customer value.
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