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Advanced Search Results For "CLUSTER sampling"

1 - 10 of 9,898 results for
 "CLUSTER sampling"
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Prevalence and Risk Factors for Adult Cataract in the Jingan District of Shanghai.

Publication Type:Academic Journal

Source(s):Journal of Ophthalmology. 8/31/2022, p1-7. 7p.

Abstract:Purpose. We report the prevalence of age-related cataract (ARC) in the Jingan district of Shanghai and analyze the risk factors for ARC to be better prepared for the increasing burden of cataracts as a significant cause of visual impairment worldwide. ...

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Prevalence, Incidence and Health Impacts of Sleep Disorders on Coronary Artery Disease Risk Factors: Results of a Community-Based Cohort Study (KERCADRS).

Publication Type:Academic Journal

Source(s):Iranian Journal of Psychiatry. Jul2022, Vol. 17 Issue 3, p247-256. 10p.

Abstract:Objective: Sleep disorders are associated with many health problems including anxiety, depression and coronary artery disease (CAD). This study investigated the prevalence, predictors and health impacts of insomnia and hypersomnia in southeastern Iran ...

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Prevalence, Causes, and Risk Factors of Visual Impairment in Emiratis and Non-Emiratis of Dubai: A Subnational Population-Based Cross-Sectional Survey.

Publication Type:Academic Journal

Source(s):Journal of Ophthalmology. 4/30/2022, p1-9. 9p.

Abstract:Purpose. To study the prevalence, causes, and risk factors of visual impairment (VI) among the Dubai Emiratis and non-Emiratis. Methods. The survey was a population-based cross-sectional eye health study conducted 2019-2020. Cluster sampling was used t...

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Relationships between Dietary Inflammatory Index and Intelligence Quotient in Female Students Aged 15-18 Years in Districts 1 and 19 of Tehran, 2020.

Publication Type:Academic Journal

Source(s):Nutrition & Food Sciences Research. Apr-Jun2022, Vol. 9 Issue 2, p9-15. 7p.

Abstract:Background and Objectives: Increased dietary inflammatory index can be one of the factors affecting brain function and occurrence of academic failure in adolescents. There are evidence that diet modification in adolescents and antiinflammatory diets pl...

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Analysis of Dietary Supplement Use and Influencing Factors in the Mongolian Population.

Publication Type:Academic Journal

Source(s):BioMed Research International. 3/22/2022, p1-11. 11p.

Abstract:Objective. Dietary supplements (DS) may improve micronutrient deficiencies, but the unique eating habits and cultural customs of the Chinese Mongolian population affect their choice of DS. Therefore, this study adopted a cross-sectional method to explo...

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A Three-step Method for Three-way Clustering by Similarity-based Sample's Stability.

Publication Type:Academic Journal

Source(s):Mathematical Problems in Engineering. 2/27/2022, p1-9. 9p.

Abstract:Clustering is an important research field in machine learning. Traditional clustering approaches are not very effective in dealing with clusters having overlapping regions. To better capture the three types of relationships between a cluster and a samp...

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Analysis of Carotid Ultrasound Screening of High-Risk Groups of Stroke Based on Big Data Technology.

Publication Type:Academic Journal

Source(s):Journal of Healthcare Engineering. 1/25/2022, p1-8. 8p.

Abstract:In order to understand detection of carotid atherosclerosis in the screening of high-risk stroke populations in a certain area of China, we have analyzed related risk factors of CAS. In accordance with the requirements of the "2015 Technical Plan for t...

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Fast estimation of ion-pairing for screening electrolytes: A cluster can approximate a bulk liquid.

Publication Type:Academic Journal

Source(s):Journal of Chemical Physics. 2/7/2022, Vol. 156 Issue 5, p1-8. 8p.

Abstract:The propensity for ion-pairing can often dictate the thermodynamic and kinetic properties of electrolyte solutions. Fast and accurate estimates of ion-pairing can thus be extremely valuable for supplementing design and screening efforts for novel elect...

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A National Survey of the Prevalence of Chronic Pain in Nursing Students and the Associated Factors.

Publication Type:Academic Journal

Source(s):Investigacion & Educacion en Enfermeria. Jan-Apr2022, Vol. 40 Issue 1, p115-127. 13p.

Abstract:Objetivo. Estimar a prevalência da dor crónica e seus fatores associados entre os estudantes de enfermagem. Métodos. Estudo descritivo de corte transversal. Os participantes foram 1684 estudantes de enfermagem (1496 de graduação e 188 de Mestrado) das ...

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Relationship between Dissociative Experiences and Schizotypal Personality Traits: Mediating Role of Inferential Confusion.

Publication Type:Academic Journal

Source(s):Iranian Journal of Psychiatry. Jan2022, Vol. 17 Issue 1, p52-60. 9p.

Abstract:Objective: Previous research has shown a relationship between schizotypal personality traits and dissociative tendencies. The Inference-Based Approach (IBA) can explain this relationship to some extent. Purpose of this study was to investigate the medi...

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