ArticlePloS one2022
Validation of the Rowlands Universal Dementia Assessment Scale (RUDAS) to detect major neurocognitive disorder among elderly people in Ethiopia, 2020.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 13 citations in OpenAlex.
- The Moderating Effect of Physical Activity on the Association Between Cognitive Function and Fear of Falling in Low-Income Community-Dwelling Older Adults.Research in gerontological nursing · 2026Article
- Major neurocognitive impairment among Elders in Southwest Ethiopia community based cross sectional study.Discover mental health · 2026Article
- Article
- Psychometric properties of the Rowland Universal Dementia Assessment Scale - Peruvian Version among Indigenous Amazonian communities.NPJ dementia · 2026Article
- Cross-Cultural Adaptation and Psychometric Validation of the Polish Version of Rowland Universal Dementia Assessment Scale (RUDAS).Diagnostics (Basel, Switzerland) · 2025Article
- Cognitive screening and education: assessing the Montreal Cognitive Assessment's validity in older Ugandan populations.Academia mental health & well-being · 2025Article
- Gendered differences in the prevalence and associated factors of dementia in Ghana: a cross-sectional survey.BMC psychiatry · 2024Article
- Diagnostic Accuracy of the Swedish Version of the Rowland Universal Dementia Assessment Scale (RUDAS-S) for Multicultural Cognitive Screening in Swedish Memory Clinics.Journal of Alzheimer's disease : JAD · 2022Article
- Psychometric Properties of the Montreal Cognitive Assessment (MoCA) to Detect Major Neurocognitive Disorder Among Older People in Ethiopia: A Validation Study.Neuropsychiatric disease and treatment · 2022Article
- Cognitive decline assessment in speakers of understudied languages.Alzheimer's & dementia (New York, N. Y.)Article
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Authors and funding
4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe Rowland Universal Dementia Assessment Scale (RUDAS) is currently widely used for research and clinical purposes in many countries. However, its applicability and validity have not been evaluated in the Ethiopian context so far. Therefore, we designed this study to assess the reliability and validity of Rowland Universal Dementia Assessment Scale to detect major neurocognitive disorder among older people in Ethiopia.
methodsAn institution-based cross-sectional study was conducted among selected older people residing in Macedonia institutional care center, Addis Ababa, Ethiopia. The gold standard diagnosis was determined using the Diagnostic and Statistical Manual of Mental Disorders criteria for major neurocognitive disorders. Stata v16 statistical software was used for data analysis. Receivers operating curve analysis, correlations, linear regression, and independent t-test were performed with statistically significant associations declared at a p-value of <0.05. Inter-rater, internal consistency reliabilities, content, criterion and construct validities were also determined.
resultsA total of 116 individuals participated in the study with a 100% response rate. Most (52.7%) of the participants were male and the mean age in years was 69.9± 8. The Cronbach's alpha for RUDAS was 0.7 with an intra-class correlation coefficient value of 0.9. RUDAS has an area under the receivers operating curve of 0.87 with an optimal cutoff value of ≤ 22. At this cutoff point, RUDAS has sensitivity and specificity of 92.3 and 75.3 with positive and negative likelihood ratios as well as positive and negative predictive values of 3.7, 0.1, 65.5%, and 91.5%, respectively. There has also been a significant difference in the mean scores of RUDAS among the two diagnostic groups showing good construct validity.
conclusionThe Rowland Universal Dementia Assessment Scale has been demonstrated to be a valid and reliable tool to detect major neurocognitive disorder. Policy makers and professionals can incorporate the tool in clinical and research practices in developing countries.
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