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تعداد نتایج: 10793566 فیلتر نتایج به سال:
background: the metabolic syndrome and periodontitis coincide with systemic inflammation and glucose tolerance disorder, which indicate the common pathophysiologic pathway of these diseases. the main goal of this study was to determine the effects of the metabolic syndrome on the periodontal indices of hemodialysis (hd) patient. materials and methods: in this descriptive‑analytical study, 75 pe...
abstract this study examines the relationship between reading anxiety and difficulty of texts as well as the relationship between reading anxiety and students perceived difficulty of the texts. since difficulty is a relative concept, i limited its definition by sticking to the readability formula. we also took students perceived difficulty levels into account. therefore, in the present study, ...
BACKGROUND The prevalence of asymptomatic tuberculosis (TB) in recently diagnosed HIV-1-infected persons attending pre-antiretroviral therapy (ART) clinics is not well described. In addition, it is unclear if the detection of Mycobacterium tuberculosis in these patients clearly represents an early asymptomatic phase leading to progressive disease or transient excretion of bacilli. OBJECTIVE T...
Measurement of interface (or contact) pressure is important in assessing tissue viability in relation to pressure sore prevention and may be achieved through pressure mapping techniques. This article reports on two pilot studies using the Force Sensing Array pressure mapping system in a laboratory setting. The purpose of Study 1 was to examine the consistency of readings from the system across ...
this exploratory study aimed to investigate a possible relationship between learners’ beliefs about language learning and one of their personality traits; that is,locus of control (loc). both variables, beliefs and locus of control, are assumed to influence the language learning process. the internal control index (ici) and the beliefs about language learning inventory (balli) were administered...
Introduction: Smoking is considered as the first preventable cause of mortality worldwide. Smoking cessation is influenced by many factors including social, familial and individual aspects. High nicotine dependency is a remarkable cause that makes cessation laborious for the smoker. There are many modalities to estimate the rate of nicotine dependency in practice among which Fagerstrom test is ...
abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...
this studyinvestigated therelations between examinees’ academic knowledge and theirperformanceonreading section of ielts and toefl (ibt) through using generalizabilitytheory. g-theory was utilized to investigate the effects of subtest, test items, participants and academic background on the reliability of ielts and toefl (ibt) score. tosamplethe subjectsofthissurvey,a placement testwasadministe...
y 2030, the U.S. population of persons who are older than 65 years is expected to double to more than 60 million.1 Sixty-five percent of Americans 60 years and older have hypertension, but only 27 percent of these persons have adequate blood pressure control.2 Furthermore, persons who are normotensive at age 55 have a 90 percent lifetime risk for developing hypertension.3 This and the presence ...
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