نتایج جستجو برای: Ecological study

تعداد نتایج: 4035071  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Journal: :international journal of pediatrics 0
salman khazaei department of epidemiology & biostatistics, school of public health, hamadan university of medical sciences, hamadan, iran. erfan ayubi department of epidemiology & biostatistics, school of public health, shahid beheshti university of medical sciences, tehran, iran. shahrzad nematollahi students’ scientific research center, tehran university of medical sciences, tehran, iran. somayeh khazaei expert in operating room, rafsanjan university of medical sciences, rafsanjan, iran.

background: the human development index (hdi) is a composite statistic of life expectancy, education, and income per capita indicators, which apart from measuring the socio-economic development of countries can predict health outcomes. the current study aimed at determination of the effects of hdi individual components on infant and child mortality. materials and methods: at a cross- sectional ...

Ali Akbar Haghdoost Azam Rastegari Farahnaz Torkestani Fatemeh Kamiabi Mehrandokht Abedini Mohammad Reza Baneshi Saiedeh Haji-Maghsoudi Saiedeh Hejazi

Background & Aims: Maternal mortality is a tragedy which threatens human life. It is an indicator of womenʼs health and development of society as well. Therefore, prevention of maternal deaths is one of the main goals in many countries, including Iran. The aim of this study was to review and analyze the recorded data on maternal mortality in the country, in order to improve the management of ma...

Journal: :iranian journal of public health 0
rouhullah dehghani social determinants of health (sdh) research center and dept. of environmental health, school of health, kashan university of medical sciences, kashan, iran. masoud yunesian center for air pollution research, institute for environmental research, tehran university of medical sciences, tehran, iran and dept. of biostatistics and epidemiology, school of public health, tehran university of medical sciences, tehran, iran. mohammadali sahraian ms research center, neuroscience institute, tehran university of medical sciences, tehran, iran. hamidreza gilasi dept. of epidemiology, school of health, shahid beheshti university of medical sciences, tehran, iran and dept. of biostatistics and epidemiology, school of health, kashan university of medical sciences, kashan, iran. vahid kazemi-moghaddam dept. of environmental health, school of health, kashan university of medical sciences, kashan, iran.

background : multiple sclerosis (ms) is an autoimmune disease with unknown factor. the prevalence and incidence rate of this disease had an upward trend in many regions in the world such as middle east and consequently in iran over the recent years. as the risk factors of this increased trend and high-prevalence is unknown in iran, the current study has been designed to evaluate the correlation...

Journal: :iranian journal of public health 0
li-yuan sun dept. of social and preventive medicine, samsung biomedical research institute, sungkyunkwan university, school of medicine, suwon, republic of korea. eun-whan lee dept. of social and preventive medicine, samsung biomedical research institute, sungkyunkwan university, school of medicine, suwon, republic of korea. aqeela zahra dept. of social and preventive medicine, samsung biomedical research institute, sungkyunkwan university, school of medicine, suwon, republic of korea. jae-hyun park dept. of social and preventive medicine, samsung biomedical research institute, sungkyunkwan university, school of medicine, suwon, republic of korea.

in order to decrease the burden of cardiovascular disease (cvd), social determinants for cvd risk factors have been extensively studied in developed countries. however, few studies about them have been performed in low-middle-income countries. this study describes factors related to cvd risk factors in low-middle-income countries at a national level.data were assembled from international databa...

Journal: :iranian journal of public health 0
m saadat

background: although numerous studies have found deleterious effects of inbreeding on childhood and pre-reproductive mortality, one question remains inadequately addressed: dose inbreeding lead to increased childhood mortality rates in countries with high level of consanguinity? methods: to evaluate the public health impact of inbreeding on offspring mortality, the association between mean of i...

Journal: :تحقیقات نظام سلامت 0
هدایت عباس تبار دانشجوی دکتری، گروه اپیدمیولوژی، دانشکده بهداشت و تغذیه، دانشگاه علوم پزشکی شیراز، شیراز، ایران مسعود سلیمانی دودران استادیار، گروه اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشکی تهران، تهران، ایران پروین حمیدی فرد کارشناس، گروه بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی تهران، تهران، ایران. فرزاد جلیلیان کارشناس ارشد، گروه آموزش بهداشت، مدرس دانشگاه آزاد اسلامی، واحد همدان، همدان، ایران. مهدی میرزایی علویجه دانشجوی کارشناسی ارشد آموزش بهداشت، گروه آموزش بهداشت، دانشکده بهداشت، دانشگاه علوم پزشکی شهید صدوقی یزد، یزد، ایران. مصطفی نصیرزاده دانشجوی کارشناسی ارشد، کمیته تحقیقات دانشجویی، گروه آموزش بهداشت، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

background: breast cancer is the most common cause of cancer-related deaths among women worldwide. each year it is newly diagnosed in more than 1.1 million women around the world. the aims of this study were to investigate the role of dietary factors such as consumption of vegetables, fruits, dairy products, fried food, fish, and salt along with food, and factors such as weight, physical activi...

Journal: Addiction and Health 2016
Ali Akbar Haghdoost Farin Kamangar Hamideh Rashidian Kazem Zendehdel Reza Malekzadeh

Background: Cancer is the second leading cause of death after cardiovascular disease. In recent years it has been hypothesized that opiate use could be a risk factor for cancer. This study aimed to evaluate a possible association between opiate use and common cancers using ecological statistics from around the world.Methods: To investigate the association we used ordinary linear regression mode...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی و اجتماعی 1389

today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...

Background: The Human Development Index (HDI) is a composite statistic of life expectancy, education, and income per capita indicators, which apart from measuring the socio-economic development of countries can predict health outcomes. The current study aimed at determination of the effects of HDI individual components on infant and child mortality. Materials and Methods: At a cross- sectional ...

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