نتایج جستجو برای: population study

تعداد نتایج: 4341704  

2017

Fertility is being determined by the actual bearing of children and or the demand for children. It is a measure of rate at which population increases to itself by relating number of births to size of some selection of population such as number of married couples or number of women of child bearing age [1-3]. Fertility is high in Bangladesh even by the principles of developing countries. The red...

Journal: :Rand health quarterly 2011
Annalijn Conklin Ellen Nolte

Many countries across Europe and elsewhere have been experimenting with various structured approaches to manage patients with chronic illness as a way to improve quality of care, reduce costs and lead to better population health outcomes in the long run. Despite a body of studies of disease management interventions, uncertainty about the effects of these remains not least because current guidan...

2015
Leah Li Anna Pearce

Height is the joint product of genetic and environmental influences, and is an important marker of nutritional status and health in early life. While height steadily increased throughout the 20 century as living standards improved, socio-economic inequalities in height persisted in many populations (whereby individuals from more socio-economically deprived backgrounds were, on average, shorter)...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم تربیتی و روانشناسی 1388

چکیده هدف اصلی این پژوهش تعیین رابطه استراتژیهای خود رهبری و خلاقیت اعضای هیات علمی دانشگاه علم و صنعت بوده است. در این پژوهش از روش توصیفی از نوع همبستگی استفاده شده است. جامعه آماری پژوهش کلیه اعضای هیات علمی دانشگاه علم و صنعت در سال تحصیلی 88-1387 بود که بالغ بر345 نفربودندو از این تعداد، 119 نفر استاد با استفاده از روش نمونه گیری تصادفی طبقه ای متناسب با حجم انتخاب شد. ابزار جمع آوری داده...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات و علوم انسانی 1394

the ability to speak two languages in the world is a remarkable achievement. there is a good reason to believe that bilingualism is the norm for the majority of people in the world because 70% of the earth’s population are supposed to be bilingual or multilingual. various investigations have shown that the native language impacts foreign word recognition, and this influence is adapted by the de...

پایان نامه :0 1374

in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...

Journal: :بینا 0
حسین ضیایی h ziaei تهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات اپیدمیولوژی بیماری های چشم دانشگاه علوم پزشکی شهید بهشتی مرضیه کتیبه m katibeh ophthalmic epidemiology research center, shahid beheshti university of medical sciences, tehran, iranتهران- پاسداران- بوستان نهم- خیابان پایدارفرد (خیابان امیر ابراهیمی)- پلاک 23- مرکز تحقیقات اپیدمیولوژی بیماری های چشم دانشگاه علوم پزشکی شهید بهشتی محمد پاکروان m pakravan shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی رضا سلیمانی زاد r solaimanizad دانشگاه شهید صدوقی یزد مهدی یاسری m yaseri دانشکده بهداشت- دانشگاه علوم پزشکی تهران حمیدرضا گیلاسی hr gilasi shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی محمدعلی جوادی

purpose: to determine prevalence and associated factors of refractive errors in elderly population of yazd, iran. methods: this is a cross-sectional population-based survey performed between 2010 and 2011. the participants were among the subjects aged from 40 to 80 years old. the samples were selected from urban and rural inhabitants using multi-stage random cluster sampling design. all partici...

Journal: :avicenna journal of medical biotechnology 0

alzheimer's disease (ad) is a genetically heterogeneous neurodegenerative disease and late-onset type (load) is the most common form of dementia affecting people over 65 years old. calhm1 (p86l) encodes a transmembrane glycoprotein that controls cytosolic ca2+ concentrations and aß levels and p86l polymorphism in this gene is significantly associated with load in independent case controls in a ...

Journal: :avicenna journal of medical biotechnology 0

late-onset alzheimer's disease (load) is a neurodegenerative disorder and the most common form of dementia affecting people over 65 years old. alzheimer’s disease is a complex disease with multi-factorial etiology. inflammation has been approved to have an important role in the pathogenesis of alzheimer’s disease (ad). tnf-a is a main pro-inflammatory cytokine that plays an essential role in in...

Journal: :journal of current ophthalmology 0
عباسعلی یکتا abbasali yekta حسن هاشمی hassan hashemi هادی استادی مقدم hadi ostadimoghaddam شکرا... شفایی shokrolah shafaee رضا نوروزی راد reza norouzirad مهدی خبازخوب mehdi khabazkhoob

purpose : to determine the prevalence of the refractive errors in the elderly population of sari, iran methods : in this study, after selecting the participants through random cluster sampling, they all received ocular examinations including visual acuity (va) measurement, refraction, fundoscopy and tonometry. after measuring uncorrected visual acuity (ucva), non-cycloplegic refraction was perf...

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