نتایج جستجو برای: population based study

تعداد نتایج: 6369301  

Cytomegalovirus (CMV) is a type of herpes virus. This virus is one of the most common causes of congenital and prenatal infections. CMV infection in pregnant women, especially in the first trimester, may lead to congenital abnormalities in newborns. The prevalence of CMV infection in developed countries is approximately 40%, and in developing countries, this prevalence may be up to 100%. ...

A Taghipour, B Beygi, E Mosa Farkhani, HR Bahrami Taghanaki, P Bahrami Taghanaki, R Eftekhari Gol, S Bokaei,

Background and Objectives: Diabetes is considered as one of the most common endocrine disorders worldwide. The aim of this study was to investigate the factors associated with diabetic complications.   Methods: A case-control study was performed on the data of 70089 diabetic patients (4622 cases and 53613 controls) extracted from the SINA Electronic Health Record (SinaEHR®) in a population co...

ژورنال: Hormozgan Medical Journal 2008
Aghamolaei, T. , Zare, S. ,

Introduction: Tobacco use is considered as an important general health problem and it is known as one of the preventable causes of morbidity and mortality. The goal of this survey was to determine the cigarette and hookah using model in over-15 population residing in Bandar Abbas. Methods: In this population-based study, a total number of 1810 over-15 residents of Bandar Abbas were selected us...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم انسانی 1390

this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم انسانی 1391

the present study aimed at investigating how different news agencies using the concept of legitimation/delegitimation represent the same event differently. to this end, van leeuwens (2008) legitimatory/delegitimatory framework was applied to the data gleaned from the iranian state-run news agency fars news, british state-run news agency bbc, and also american state-run news agency voa. the resu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

in the new age, in regard to human success in education in the globalizing world, one can consider english proficiency and individual differences as two important issues. in efl settings, reading skill plays an important role in education. it seems that using multiple intelligences theory in efl classes which values individual differences by tapping different intelligences, can be rewarding. as...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1392

the purpose of this study was to investigate the impact of blended learning and multimedia softwares on iranian efl students vocabulary learning. in addition, the present study tried to examine the extent to which multimedia softwares can be applied into efl classes in iran. it also attempted to find out students attitudes toward using these softwares. to this end, 87 iranian efl learners at el...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...

Journal: :basic and clinical cancer research 0
kazem zendehdel cancer research center, tehran university of medical sciences, iran, department of medical epidemiology and biostatistics, karolinska institute, sweden zahra sedighi cancer research center, tehran university of medical sciences, iran jaleh hassanloo cancer research center, tehran university of medical sciences, iran azin nahvijou cancer research center, tehran university of medical sciences, iran

background: cancer registries are important infrastructure for cancer control programs. however most developing countries lack population based cancer registry. in iran there cancer incidence is estimated based on pathology-based cancer registry. in this study we evaluated results of the nationwide pathology-based cancer registry in iran. materials and methods: we compared age-standardized inci...

2005
Elizabeth Barrett-Connor Kay-Tee Khaw

Plasma obtained and frozen in 1972-1974 from 1,009 white men (40-79 years old) who have been followed for 12 years was examined for endogenous sex hormone levels according to prevalent or subsequent cardiovascular disease. In these older men, no sex hormone measured (testosterone, androstenedione, estrone, or estradiol) was significantly associated with known cardiovascular disease at baseline ...

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