Objective To find lower and upper bounds of HIV prevalence in Malawi under mild and intuitive assumptions to assess the importance of the refusal issue in the estimation of HIV prevalence. Methods We derive bounds based on the following two key assumptions: (i) Among those who have never taken an HIV test before, those who refuse to take an HIV test (hereafter “refusers”) have at least as much ...

Age of the couples is one of the most basic and important information collected in almost all demographic and health surveys. This particular study makes an attempt in exploring the extent of age difference and the change over time among the couples in India. It also analyses the impact of other socio-economic, demographic and cultural factors in explaining the variation in age difference among...

Healthcare IT and IS departments have the arduous task of managing the varied information sources into readily accessible, consistent and referential information views. Patient hospital workflows, from admission to discharge, provide a series of data streams for convergences into disparate systems. Protocols such as DICOM and HL7 exist for the purposes of exchanging information within the PACS ...

Demographic information is usually treated as private data (e.g., gender and age), but has been shown great values in personalized services, advertisement, behavior study and other aspects. In this paper, we propose a novel approach to make efficient demographic prediction based on smartphone application usage. Specifically, we firstly consider to characterize the data set by building a matrix ...

In this report, we develop a model to predict the Airbnb user’s booking destination country based on their demographics and session data. This model is very helpful in providing personalized recommendations and targeted marketing to enrich user experience and optimize business conversion. The dataset we used was provided by Airbnb’s user information. The given problem is modelled as a classific...

The study aims to explore the potential of extracurricular activities (ECAs) in enhancing English learning among Vietnamese higher education students, given government’s emphasis on language reforms. In Southwest Vietnam, a comprehensive survey consisting 20 questions was carried out 1,032 students at establishment. aim ascertain their favored ECAs and how students’ demographic details, particu...