npj Dementia
Psychometric properties of the Rowland Universal Dementia Assessment Scale – Peruvian Version among Indigenous Amazonian communities
Abstract Cognitive screening tools are rarely validated for Indigenous populations of Latin America, a barrier to early dementia detection. We culturally adapted and evaluated the psychometric performance of the Peruvian version of the Rowland Universal Dementia Assessment Scale (RUDAS-PE) for Shawi Indigenous Amazonian communities. We included 434 adults aged ≥50 years who completed the RUDAS-PE. Cognitive interviews and community feedback revealed cultural mismatches, particularly in visuoconstruction tasks, requ …