Prevalence and Determinants of Dementia Among Older Adults Attending Outpatient Clinics in a Tertiary Care Hospital in Thailand: A Secondary Data Analysis

Dementia was common among tertiary care outpatients, with prevalence higher than community-based estimates. Advanced age, female sex, low education, vascular comorbidities, depression, and anticholinergic medication burden were significant correlates. These findings highlight the need for routine screening, aggressive vascular risk factor management, and medication review in tertiary care settings to mitigate the burden of dementia.