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purpose: to determine the prevalence and determinants of age-related macular degeneration (amd) in a 40-64 year old iranian populationmethods: in a cross-sectional study, 6,311 people were randomly selected from shahroud. for all participants, visual acuity, refraction, slit-lamp examination and fundus photography were conducted under pupil dilation. results: results of this study are based on ...
aim: oral health is one of the most important parts of public health which significantlyaffects on quality of life. the purpose of this study is to assess the socio-economic statues aswell as oral health behaviors among a sample of iranian students studying in elementary level.methods: this was a cross-sectional study which was conducted from april 2012 tonovember 2012. data obtained from a fac...
p eople’s business credit program (kur) has been launched to alleviate poverty through provision of micro financing to micro entrepreneurs in indonesia this study aims to estimate the impact of kur program using cross-sectional data and propensity score matching technique (psm). the survey was conducted on 332 household entrepreneurs, consisting of 155 kur receivers and 177 non-kur receivers. r...
Echinops یکی از جنسهای تیره گل آفتابگردان است که با 72 گونه در ایران معرفی شده است. بررسی کاریوتیپی بر روی 18 جمعیت از 7 گونه Echinops از شیب جنوبی بخش مرکزی البرز ایران صورت گرفت تاکسونها اعداد کروموزومی 2n=30, 32, 34, 36 را نشان دادند اعداد کروموزومی 5 گونه شامل E. cephalotes, E. chorassanicus, E. macrophyllus, E. robustus, E. elbursensis برای اولین بار گزارش شدند. چندین عدد کروموزومی پایه ...
آسپرژیلوزیس تهاجمی ( ia ) بیماری شدید و کشنده ناشی از گونه های مختلف قارچ فرصت طلب آسپرژیلوس می باشد .این عوامل بطور وسیع در محیط اطراف ما پراکنده می باشد. عدم تشخیص به موقع، انتشار سریع عفونت و تاخیر در درمان بیماری منجر به عودهای مکرر، افزایش هزینه های درمانی و در نهایت مرگ بیمار می گردد. از بین گونه های آسپرژیلوس، آسپرژیلوس فومیگاتوس و آسپرژیلوس فلاووس از شایعترین گونه هایی است که از موارد ا...
This study examines whether earnings changes convey information in bond markets and finds a significant positive (negative) reaction to unexpected earnings increases (decreases). The results are consistetit whether earnings announcements precede or follow dividend announcements. Thus, earnings surprises convey information to bond markets and changes in firm value are split among bondholders and...
OBJECTIVES The objective of the present study was to explore the trends in the intention to quit smoking among adults in Greece between 2006 and 2011, a period characterized by financial instability and newly endorsed tobacco control initiatives. METHODS Trend analysis of 3 representative national and cross-sectional surveys, 'Hellas Health I' (2006), "Hellas Health III" (2010) and Hellas Hea...
PURPOSE OF THE STUDY To date, no research has investigated how the organizational climate of aged care influences the self-efficacy of staff in caring for residents with dementia, or, how self-efficacy is associated with the strain experienced by staff. This study sought to investigate the extent to which the self-efficacy of aged care staff mediates the association between organizational clima...
This study uses a unique database to examine the trend in the use of food pantries in the Kansas City metropolitan area from 1997 to 2000. We find a slight increase in the use of food pantry services over this period, less than one percent annually. This is a much smaller increase than has been reported in other studies, but consistent with recent research that uses a series of national cross-s...
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