نتایج جستجو برای: evolution of public health
تعداد نتایج: 21348377 فیلتر نتایج به سال:
introduction: the carry of heavy backpacks by school children may be associated with several potential health consequences. the aim of this study was to determine the percentage of body weight represented by school backpacks and other related factors. materials and methods: the cross-sectional study has been done in eight primary schools in yazd city in which a total of 783 students’ boys (217 ...
there are two dominant approaches to describe and understand the anatomy of complete health and well-being systems internationally. yet, neither approach has been able to either predict or explain occasional but dramatic crises in health and well-being systems around the world and in developed emerging market or developing country contexts. as the impacts of such events can be measured not simp...
background despite high immunization rates, hundreds of thousands of poor and underserved children continue to lack their necessary immunizations and are at risk of acquiring a vaccine-preventable disease. local health departments (lhds) and public health clinicians figure prominently in efforts to address this problem. methods this exploratory research compared ten (10) north carolina lhds w...
background and aims: quality of visit services is a decisive aspect of patient-physician communication that its inadequacy can negatively influence the diagnosis efficiency. the aim of this study was to survey visit quality at provincial level during plan of health sector evolution in tabriz. methods: a sample of 540 patients who referred to the outpatient clinics (sheikh al raeis of tabriz pro...
background: agility means ability to respond and react quickly and successfully to environmental changes. agility is an important factor for hospital effectiveness. agility in a hospital indicates the hospital's responsiveness when faced with internal and external changes. if hospitals are designed to be agile, they should have the ability to compete with other hospitals and provide appropriate...
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purpose: to determine the general population’s knowledge and awareness about cataract, glaucoma and diabetic retinopathy (dr) in tehran, the most populated and capital city of iran, in order to assess the need for health education programs. methods: this cross-sectional population-based survey was conducted during 2010 and a structured questionnaire was filled by 5 trained interviewers via tele...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
background: screening of students ´ health problems could lead to timely prevention and control of many health disorders. this study aimed to determine the nationwide prevalence of common disorders through school health screening program in iran methods: this cross-sectional national screening program was conducted in 2007-2008 among first- and third-grade- students in primary schools, first- ...
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