Dementia and Related Comorbidities in the Population Aged 90 and Over in the Vitality 90+ Study, Finland: Patterns and Trends From 2001 to 2018
Pauliina Halonen, Linda Enroth, Esa Jämsen, Saritha Susan Vargese, Marja Jylhä
Abstract
OBJECTIVES: To examine trends in the prevalence of dementia and related comorbidities among the oldest old. METHODS: = 5386). Co-occurring conditions and their time trends among participants with dementia were examined using logistic regression and generalized estimating equations. RESULTS: The prevalence of dementia decreased from 47% in 2007 to 41% in 2018. Throughout the study period, depression was more common among people with dementia compared to those without. The prevalence of hypertension, diabetes, and osteoarthritis increased and the prevalence of depression decreased among people with dementia. The mean number of comorbidities increased from 2.0 in 2001 to 2.3 in 2018. DISCUSSION: Dementia remains highly prevalent among the oldest old and it is accompanied by an increasing burden of comorbidities, posing a challenge to people with dementia, their caregivers, and care systems.