نتایج جستجو برای: cohort

تعداد نتایج: 217733  

2016
Andrea D Smith Alison Fildes Lucy Cooke Moritz Herle Nicholas Shakeshaft Robert Plomin Clare Llewellyn

BACKGROUND Food preferences vary substantially among adults and children. Twin studies have established that genes and aspects of the shared family environment both play important roles in shaping children's food preferences. The transition from childhood to adulthood is characterized by large gains in independence, but the relative influences of genes and the environment on food preferences in...

Journal: :Journal of learning disabilities 2016
Lucia Bigozzi Christian Tarchi Sara Pezzica Giuliana Pinto

The strong differences in manifestation, prevalence, and incidence in dyslexia across languages invite studies in specific writing systems. In particular, the question of the role played by emergent literacy in opaque and transparent writing systems remains a fraught one. This research project tested, through a 4-year prospective cohort study, an emergent literacy model for the analysis of the ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان سیستان و بلوچستان 1380

تاکنون مطالعات و تحقیقاتی مقطعی در زمینه پوسیدگی دندانی در افراد دیابتیک و سالم انجام شده در مورد میزان پوسیدگی دندان درافراد دیابتیک و سالم بین محققین این رشته اختلاف عقیده و نظر وجود دارد. بنابراین با وجود این اختلافات عقیده در زمینه رابطه دیابت و پوسیدگی و یا به عبارت دیگر رابطه دیابت با شاخص ‏‎dmf‎‏در سال 1380پژوهشی با هدف بررسی رابطه دیابت کنترل شده و شاخص‏‎dmf‎‏در بیماران دیابتیک تحت پوشش...

حدائق, فرزاد, خلیلی, داود, عزیزی, فریدون, عشرتی, بابک, نظرزاده, میلاد,

Background & Objectives: The case-cohort study is one of the youngest designs in epidemiology and some methodological aspects of it are still in debate. This study aimed at comparing the estimated hazard ratio, standard error, and interaction hazard ratio between the case-cohort and cohort studies for assessing the relationship between diabetes and cardiovascular diseases.Methods: A total of 17...

Ebrahimi Kebria , S, Hashemi Nazari, SS, Mdehrabi, Y, Mirtorabi, SD, Nazparvar , B, Shojaei, A,

Background and Objectives: Suicide is one of the psychosocial problems in Lorestan Province due to its socio-cultural and economic structure. The aim of this study was to investigate the effect of age group, time period, and birth cohort on the suicide incidence in Lorestan Province during the 2006-2015.   Methods: In this study, to overcome the identifiability problem, the Carstensen approac...

Journal: :گوارش 0
zeinab ghorbani ph.d student in nutritional sciences, school of nutritional sciences and dietetics, tehran university of medical sciences (tums) hossein poustchi associate professor, liver and pancreatobiliary diseases research center, digestive diseases research institute, tehranuniversity of medical sciences, tehran, iran. akram pourshams associate professor, liver and pancreatobiliary diseases research center, digestive diseases research institute, tehranuniversity of medical sciences, tehran, iran. akbar fazeltabar malekshah researcher, liver and pancreatobiliary diseases research center, digestive diseases research institute, tehran university of medical sciences, tehran, iran. maryam sharafkhah researcher, liver and pancreatobiliary diseases research center, digestive diseases research institute, tehran university of medical sciences, tehran, iran. azita hekmatdoost associate professor, department of clinical nutrition and dietetics, faculty of nutrition and food technology, national nutrition and food technology research institute, shahid beheshti university of medical sciences, tehran, iran

background pancreatic cancer (pc) is classified as one of the most deadly cancers. since the role of diet in modifying the effects of known risk factors of pc has been well established, exploring the dietary intakes in relation to the etiology of pc can be useful for elucidating the mechanisms of the disease progression. methods and materials this study was conducted within the golestan prospec...

Journal: :iranian red crescent medical journal 0
forough mortazavi department of midwifery, faculty of nursing and midwifery, sabzevar university of medical sciences, sabzevar, ir iran seyed abbas mousavi research center of psychiatry, golestan university of medical sciences, gorgan, ir iran reza chaman department of community medicine, school of medicine, yasuj university of medical sciences, yasuj, ir iran karen ann wambach school of nursing, university of kansas, kansas city, usa saideh sadat mortazavi chemistry department, university of texas at el paso (utep), el paso, usa ahmad khosravi center for health related social and behavioral sciences research, shahroud university of medical sciences, shahroud, ir iran; center for health related social and behavioral sciences research, shahroud university of medical sciences, shahroud, ir iran. tel: +98-2332395003, fax: +98-2332395006

conclusions the prevalence of predominant breastfeeding during the first month postpartum is high in shahroud. interventions to strengthen adherence to who guidelines for breastfeeding should be considered. breastfeeding education providers at the hospitals should emphasize the effects of formula on breastfeeding continuation at early postpartum. background the introduction of fluids to infants...

Journal: :acta medica iranica 0
seyed hesameddin abbasi department of cardiology, tehran heart center, tehran university of medical sciences, tehran, iran. seyed ebrahim kassaian department of cardiology, tehran heart center, tehran university of medical sciences, tehran, iran. saeed sadeghian department of cardiology, tehran heart center, tehran university of medical sciences, tehran, iran. abbasali karimi department of cardiology, tehran heart center, tehran university of medical sciences, tehran, iran. soheil saadat sina trauma research center, tehran university of medical sciences, tehran, iran. flora peyvandi fondazione irccs ca’ granda ospedale maggiore policlinico milano, angelo bianchi bonomi hemophilia and thrombosis centre, milan, italy. and department of pathophysiology and transplantation, università degli studi di milano, milan, italy.

anxiety may negatively affect the course of coronary artery disease (cad). the aim of this study was to assess which factors are associated with anxiety in young adults with cad. a cohort of individuals with premature coronary artery disease was formed between 2004-2011, as the tehran heart center's premature coronary atherosclerosis cohort (thc-pac) study. patients (men≤45-year-old, and women≤...

Journal: :iranian red crescent medical journal 0
malihe khoramdad msc of epidemiology, faculty of health, kermanshah university of medical sciences, kermanshah, iran mehrali rahimi md of endocrinology, school of medicine, diabetes research center, kermanshah university of medical sciences, kermanshah, iran; school of medicine, diabetes research center, kermanshah university of medical sciences, kermanshah, iran zahra cheraghi phd of epidemiology, department of epidemiology, school of public health, hamadan university of medical sciences, hamadan, iran neda izadi phd student of epidemiology, department of epidemiology, school of public health, shahid beheshti university of medical sciences, tehran, iran yousef alimohamadi phd student of epidemiology, department of epidemiology, school of public health, tehran university of medical sciences, tehran, iran alireza firouzi ph.d candidate in general linguistics, allameh tabataba’i university, tehran, iran

conclusions due to the scarcity of studies related to some dairy subgroups, it is not possible to make a final judgment about their effects on the risk of diabetes; therefore, more studies need to be conducted on this issue. results out of 1391 articles, 13 (covering 421,421 people) were introduced to the current meta-analysis. the findings showed that the consumption of yoghurt and cream has p...

شریفی, حمید, صاحبی, رویا, صاحبی, لیلا, متولیان, سیدعباس,

Background and Objectives: The aim of this study was to compare the intrinsic estimator method and the age, period and cohort accounting model used for identifying age, period, and cohort trends in incidence, prevalence, and mortality rates. Methods: The data of 2 studies " Age, Period, and Cohort Effects on Alcohol and Drug use Among Students of Tehran University of Medical Sciences from 2006...

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