نتایج جستجو برای: case control study
تعداد نتایج: 5686763 فیلتر نتایج به سال:
Background: Household food insecurity is defined as the limited or uncertain access to adequate and safe food or limited ability to obtain food in a socially acceptable manner. Preeclampsia is a severe case of high-risk pregnancy, which endangers the health of women across the world, especially in developing countries. The current study aimed to use the nutritional deficiencies theory in pathog...
the aim of this study was to evaluate the effectiveness of art therapy on anxiety in the child with the diagnosis of anxiety problems in a health clinic in tehran in 94. one child from the population based on convenience sampling was selected and the scas (spence children anxiety scale) questionnaires and structured clinical interview were studied. this study was a single case study as a multip...
background the non-revenue water refers to a difference between the volume of water entering the system and billed authorized consumption. objectives the main purpose of this study is to determine the volume of non-revenue water in order to recognize the factors influencing water losses so that the information gathered can used in non-revenue water reduction management. materials and methods ka...
background and objective: recently, childhood poisoning has become one of the most pressing concerns in injury epidemiology. the aim of this study is to identify the main risk factors in unintentional childhood poisoning. materials and methods: the present study is individual method case-control based in a hospital (case; n=140, control; n=280) in tehran 1392. cases with controls are matched on...
background and objective: job stress can have a direct impact on the incidence of work-related injuries and unsafe behavior and the highest rates of occupational injuries are in the health professions. therefore, as we did not find any studies regarding the physician's assistants job stress; this research was performed to determine the relationship between job stress and occupational injuries a...
background the sitting position, rather than squatting, during defecation has been hypothesized to be a risk factor for colorectal cancer (crc). methods we conducted a case-control study to test this hypothesis. a total of 100 crc cases from two hospitals in iran and 100 control subjects, selected from the coronary care unit (ccu) of those same hospitals were selected for this study. we adminis...
background: considering the negative consequences of using physical restraints, we conducted this study to identify patients who are more frequently restrained in a psychiatric emergency ward as an initial step to limit the use of restraint to the minimum possible. methods: this was a retrospective case control study conducted in iran psychiatric hospital in tehran, iran. we reviewed the files ...
background: the novel influenza a (h1n1) virus was first detected in march 2009 in mexico and then disseminated to many other countries worldwide. in this study, we assessed the potential risk factors of swine flu as well as the most important clinical manifestations of this infectious disease among confirmed cases during early phase of pandemic h1n1. methods: subjects (cases and controls) were...
background: colorectal cancers (crcs) including colon, rectum and anal cancers are the third most prevalent cancers in the world. there are strong evidence showing the risk of the cigarette smoking, alcohol use, low physical activity and some types of diets in crcs; however, few studies explored the relationship between opium use and crcs. this study aimed to investigate the association between...
Background Epilepsy is among the most common neurological disorders in childhood, prevalence of which is increasing. Unpredictable and chronic nature of the disease affects physical, social and mental functions of the children and their family. This study was aimed to compare behavioral problems in epileptic children group versus healthy control group. Materials and Methods This study is a cas...
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