نتایج جستجو برای: the national trend
تعداد نتایج: 16102312 فیلتر نتایج به سال:
background: obesity has become a serious problem for chinese han nationality. this research aimed to evaluate the prevalence of and trends in obesity among chinese korean nationality children and adolescents (1991–2010). methods: we used data from chinese national surveys on students’ constitution and health (cnssch). cnssch was utilized to monitor chinese students’ health condition and release...
Considering Russia’s rich and vast oil resources, this country is one of the world’s greatest producers and exporters of this nonrenewable energy resource, and like other petrostates, receives a major part of its national income in this way. The dependence of Russia’s budget on oil has raised the significance of world oil price fluctuations for this country. Since 1970s, the global oil market h...
In this study, the trend of overwintering and breeding populations of the endangered white-headed duck Oxyura leucocephala was studied using 52 years of mid-winter waterbirds census in Iran (1969–2020) and breeding reports of the species in the 2010s. The trend of species population changes was calculated using RTRIM statistical package in R software. Species population in Iran indicates a subs...
Aim: One of the most commonly used methods for evaluating the academic activities of a university is the scientometrics that is possible using databases. Therefore, this study was conducted with the aim of investigating the scientific production of researchers affiliated with Shiraz University of Medical Sciences with emphasis on national and international contributions using ISI data for 2010-...
As the pilgrims and tourists have been always present in Mashhad, meeting their needs has been constantly prioritized in urban planning especially the renewal and reconstruction projects carried out in the holy shrine surroundings. However, recent years have seen a change of perspective toward pilgrims. These changes have been induced by both global and national politics. That is why great chan...
The Effects of 8th Graders’ Attitude, Interest, and Math Self-Concept on their Math Performance in TIMSS 2003-2015: A Trend Study* M. Ja’fari** A.R. Kiamanesh, Ph.D.*** A. Karimi, Ph.D.**** To determine the effects of self-concept, attitude, and interest on the math performance of 21082 eight graders participating in four TIMSS studies from 2003-2015, and the trend of these effects...
BACKGROUND Non-communicable diseases (NCDs) and their risk factors are a major health threat at the global level, notably for developing countries. The tracking of cardiometabolic risk factors from childhood to adulthood is well documented. Therefore, more attention needs to be directed at primordial and primary prevention of NCDs. Given the high prevalence of NCDs and their risk factors in Ira...
BACKGROUND Dementia is a disabling syndrome, which generally affects aged population more than any other age groups. This syndrome has a growing prevalence and incidence worldwide. The prevalence and burden of this group of diseases in Iran have not been estimated in a community-based study yet. This paper aims to explain the systematic approach, data sources, research methodology, and statisti...
Background & Objectives: The number of road traffic accidents (RTAs) and their mortality are increasing in the world. In Iran, RTAs have caused life losses and economical damages. Death is the most important consequence of the accidents in terms of social, economic, and even political expenditures. This paper reports the statistics of the mortality status in the last decade. Methods: A 10-ye...
Lifestyle and its various components have multiple effects on human health and disease. These include dietary intakes and nutritional patterns, which can greatly prevent non-communicable diseases by adhering to dietary recommendations and guidelines. One of the most important and practical studies, showing relationships between the diets and diseases and the level of health in each country, is ...
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