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    Spatial and spatiotemporal clustering of the COVID-19 pandemic in Ecuador
    (Universidad Nacional de Colombia, 2020-07-07)
    Patricia Ballesteros
    ;
    Emily Salazar
    ;
    Diana Sánchez
    ;
    <jats:p>Introduction: In Ecuador, the first COVID-19 case, the disease caused by the SARS-CoV-2 virus, was officially reported on February 29, 2020. As of April 2, the officially confirmed numbers of COVID-19 cases and deaths from it were 3 163 and 120, respectively, that is, a mortality rate of 3.8%. Objective: To identify spatial and spatiotemporal clusters of COVID-19 cases officially confirmed in Ecuador. Materials and methods: Case series study. An analysis of all COVID-19 cases officially confirmed in Ecuador from March 13, 2020 to April 2, 2020 was performed. Relative Risk (RR) of COVID-19 contagion was determined using the discrete Poisson distribution model in the SaTScan software. Clusters were generated using purely spatial and spatiotemporal scan statistics. Significance of each cluster was obtained through 999 iterations using the Monte Carlo simulation, obtaining the most probable random model. Results: As of April 2, spatiotemporal clustering allowed identifying two clusters in Ecuador, a main cluster in the Guayas province (area: 15 430 km2; population: 3.6 million inhabitants; RR: 7.08; p&lt;0.000001; calculated annual incidence 1700 cases / 100 000 people) and a secondary cluster in the Pichincha province (area: 88 904 km2; population: 7.1 million; RR: 0.38; p&lt;0.000001; calculated annual incidence 737 cases / 100 000 people.) Conclusions: The implementation of COVID-19 mitigation strategies should be focused on areas of high transmission risk; therefore, spatial, and spatiotemporal clustering with SaTScan can be extremely useful for the early detection and surveillance of COVID-19 outbreaks.</jats:p>
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    The Mediating Effects of Brand Image and Brand Love on the Relationship Between Corporate Social Responsibility and Consumer Loyalty
    (MDPI AG, 2025-11-25)
    Iván Veas-González
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    ;
    Jorge Bernal-Peralta
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    Aldo Romero-Ortega
    ;
    Jorge Vinueza-Martínez
    This study analyzes the complex relationship between Corporate Social Responsibility (CSR) and Brand Loyalty (BLy) among consumers of mobile phone services, particularly examining how Brand Image (BIm) and Brand Love (BLv) act as mediating factors in this relationship. Quantitative research with a correlational scope and cross-sectional design was conducted among 296 consumers of mobile phone services. A questionnaire comprising 26 questions was administered, with responses quantified using a five-point Likert scale. The results were processed using Confirmatory Factor Analysis and partial least squares structural equation modeling (PLS-SEM). This study revealed that CSR alone does not have a direct and significant association with BLy; however, it is associated with BIm and BLv. Furthermore, BIm and BLv were also found to be associated with BLy, demonstrating that the link between CSR and BLy is indirectly built by strengthening BIm and BLv, rather than directly. The originality of this research stems from its concurrent incorporation of BIm and BLv as mediating variables in the link between CSR and BLy.