نتایج جستجو برای: cross sectional study
تعداد نتایج: 4222057 فیلتر نتایج به سال:
purpose: to determine the prevalence of uncorrected refractive errors and its determinants in tehran in 2002. methods: a total of 6497 citizens representing a cross-section of the population of tehran were sampled using a stratified random cluster sampling strategy. of these, 4565 (70.3%) subjects participated in the study and were transferred to a clinic for an extensive eye examination and in...
introduction: infertility is a major problem in today´s medicine. infertility is known a health indicator and the right to infertility treatment is part of millennium development goal. the present study aimed to determine the risk factors of infertility, in women referred to both public and private health centers in ilam. materials and methods: a cross-sectional study was carried out among wome...
Background and aims: Loneliness typically includes anxious feelings. It is particularly relevant to adolescence period. It has effect on physical and mental health. The present study aimed to identify the predictive factors of loneliness among high schools female students. Methods: A cross– sectional survey was carried out among high schools female students in Ilam during the academic year 201...
heart failure (hf) is a common disease with high health care costs and high mortality rate knowledge of the health-related quality of life (qol) outcomes of hf may guide decision making and be useful in assessing new therapies for population. yet little is known about qol of hf patients in iran. objectives: to assess health related qol of patients with hf with two different instrument and to co...
background : visual impairment is a very important public health problem. in iran, reports of visual impairment and blindness have been published from the urban population while the prevalence of visual impairment in the rural popu-lation has not been reported. the purpose of this study to determine the prevalence and causes of visual impairment, in a rural population in district of based on ag...
purpose : to study the age and gender specific history of ocular trauma in the population of tehran methods : using a stratified cluster sampling approach, 6,497 residents of tehran were selected. participants were transferred to an eye clinic to have complete eye examinations. during the interview, participants were asked about any history of ocular trauma, and any treatment or hospitalization...
purpose : to determine the prevalence of visual impairment, blindness, and low vision among the elderly population of sari in northern iran methods : random cluster sampling of 1,185 selected individuals over 54 years of age, of whom 79.1% participated. participants underwent eye examinations to test presenting visual acuity (va), best corrected visual acuity (bcva), and refraction. results : b...
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the objective of the study was to evaluate the position of patient education measuring knowledge, attitude, and practice (kap) among health care workers (hcws). it is also aimed to emphasize the need for a real position for patient education. this survey was performed among a group of hcws in iran. the scores had an acceptable level. however, nurses, females and younger people received higher s...
background: along with the prospers of scientific production there is a need for measuring and evaluation of university’ s scientific productions by means of accepted international indices to make comparison between academic institutions. this study aims to evaluate the scientific production of faculty members affiliated to shahid beheshti university of medical sciences (sbmus) in web of scienc...
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