BACKGROUND Network scale-up is an indirect method for estimating the size of hidden, hard-to-count or high risk populations. Social network size estimation is the first step in this method. The present study was conducted with the purpose of estimating the social network size of the Tehran Province residents and its determinants. METHODS Maximum Likelihood Estimation was applied to estimate p...

The southern African species of the water beetle genus Hydraena Kugelann, 1794, are revised. Twenty-eight new species are described, and redescriptions and new collection records are given for three previously described species, based on the examination and databasing of 11,534 specimens from 488 localities/events. Male genitalia are illustrated, and high resolution habitus images of the holoty...

BACKGROUND Hepatitis B virus (HBV) infection is a major risk factor of cirrhosis and hepatocellular carcinoma affecting billions of people globally. Since information on its prevalence in general population is mandatory for formulating effective policies, this population based serological survey was conducted in Sistan and Baluchistan, where no previous epidemiological data were available. ME...

Opisthorchis viverrini is still a serious problem in Northeastern and Northern Thailand. Active surveillance is required to determine updated data for further prevention and control planning. Therefore, this study aimed to examine the prevalence and risk factors for O. viverrini in three provinces, Northeastern Thailand. A cross- sectional survey was conducted during October 2015 to March 2016 ...

OBJECTIVE This study aimed to investigate the prevalence and distribution of hypertension and its related factors in Jilin province, China. DESIGN A cross-sectional study in four cities and four rural counties in Jilin as part of a national Chinese study. PARTICIPANTS AND SETTING A total of 15 206 participants who were ≥15 years old and were selected using a stratified multistage random sam...

Coastal areas have a lot of natural wealth potential. The poor nutritional status children under five in fishing families is greater than farming families. Family characteristics such as education, knowledge, work and family income are the most important parts ensuring food security, so it necessary to know coastal Bengkulu province. research method descriptive analytic with cross-sectional app...

Objective: To understand community care needs of the urban elderly in Shandong Province. analysis influencing factors and Methods: Province was divided into four levels according to level economic development, multi-stage stratified cluster random sampling method used. Each city collected old aged 60 years or older served by 5 health service centers. A total 3390 questionnaires were distributed...

Purpose: This paper aims to investigate the contextual conditions of creativity based on Oldham Model among the librarians of public libraries of Fars province. Design/methodology/approach: The research uses a survey method. The study population was librarians of public libraries in Fars province. The data collection instrument was questionnaire. For data analysis, univariate T test and covaria...

BACKGROUND Northern Iran counts as one of the highest prevalence regions for esophageal cancer (EC) worldwide. This study was designed to assess the epidemiologic aspects of EC in north central and northwest Iran over a 10 year period. MATERIALS AND METHODS The Guilan cancer registry study (GCRS) is a population- based cancer registry study featuring retrospective (1996-2003) and prospective ...

Real estate appraisal is of great importance to several socio-economic stakeholders for different reasons and justifications: local governments and municipalities for taxation purposes; banks for mortgage and other credit applications processing; property valuation companies for marketing activities; and property developers and investors for sound investment decision-making. This paper summariz...