نتایج جستجو برای: epidemiological surveys
تعداد نتایج: 146349 فیلتر نتایج به سال:
Background and aims The aim of this study was to test the screening properties of several combinations of items from gambling scales, in order to harmonize screening of gambling problems in epidemiological surveys. The objective was to propose two brief screening tools (three items or less) for a use in interviews and self-administered questionnaires. Methods We tested the screening properties ...
BACKGROUND The epidemiological surveys in children and adults of the EU-funded multidisciplinary Integrated Project EuroPrevall, launched in June 2005, were designed to estimate the currently unknown prevalence of food allergy and exposure to known or suspected risk factors for food allergy across Europe. We describe the protocol for the epidemiological surveys in children and adults. This prot...
background and aims: nowadays, orofacial clefts are known as the most common orofacial birth defects. several factors are responsible for problem, such as environmental factors, genetic background, nutritional deficiencies such as vitamins, zinc, iron, maternal diseases, exposure to teratogenicagents, smoking, drugs, organic solvents. the aim of this study was to evaluate the of risk factors fr...
food safety issues are not a new issue in science, but due to the dynamic changes in the modern world it is as equally important as decades ago. the aim of the study was to address the efforts in the development of a comprehensive food safety system in serbia, and make specific recommendations regarding the improvement of epidemiological investigation capacity as a useful tool which contributes...
conclusions the highest frequency of fc was seen in younger than 20-month-old children. except for the lower incidence of positive history of prematurity and higher prevalence of gastroenteritis, results of the present study are relatively similar to other studies. patients and methods in this cross-sectional study, the patients with diagnosis of febrile seizure were the target population. we o...
BACKGROUND Compliance is a critical issue for parental questionnaires in school based epidemiological surveys and high compliance is difficult to achieve. The objective of this study was to determine trends and factors associated with parental questionnaire compliance during respiratory health surveys of school children in Merseyside between 1991 and 2006. METHODS Four cross-sectional respira...
BACKGROUND Timely and accurate data are necessary to prioritise and effectively respond to humanitarian emergencies. 30-by-30 cluster surveys are commonly used in humanitarian emergencies because of their purported simplicity and reasonable validity and precision. Agencies have increasingly used 30-by-30 cluster surveys to undertake measurements beyond immunisation coverage and nutritional stat...
The leprosy control programme in Indonesia is discussed . The epidemiological situation of leprosy is assessed from the statistics of the registered cases and through comparison of several leprosy surveys. In a certain province leprosy showed a marked decline, while in other provinces the prevalences are still high. We need to recognize the limitations of the present measures employed to contro...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید