Differences in cognitive performance and cognitive decline across European regions: a population-based prospective cohort study

. 2019 May ; 58 () : 80-86. [epub] 20190312

Jazyk angličtina Země Anglie, Velká Británie Médium print-electronic

Typ dokumentu časopisecké články, Research Support, N.I.H., Extramural, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid30875582

Grantová podpora
U01 AG009740 NIA NIH HHS - United States
P01 AG005842 NIA NIH HHS - United States
P01 AG008291 NIA NIH HHS - United States
P30 AG012815 NIA NIH HHS - United States
R21 AG025169 NIA NIH HHS - United States
HHSN271201300071C NIA NIH HHS - United States

Odkazy

PubMed 30875582
DOI 10.1016/j.eurpsy.2019.03.001
PII: S0924-9338(19)30046-X
Knihovny.cz E-zdroje

BACKGROUND: A large variation in cognitive performance exists between European regions. However, it is unclear how older Europeans differ in the rate of cognitive decline. METHODS: We analysed data from 22 181 individuals (54% women; median age 71) who participated in the Survey on Health, Ageing and Retirement in Europe. Cognition was measured using tests on verbal fluency, immediate and delayed recall. We used linear regression and linear mixed effects regression to examine regional differences in the level of cognitive performance and the rate of cognitive decline. RESULTS: Scandinavians had the highest baseline cognitive scores (mean standardized overall cognitive score 0.3), followed by Western Europeans (mean 0.2), Central and Eastern Europeans (mean 0.1) and individuals from Mediterranean countries (mean -0.4). These differences persisted even after adjustment for sociodemographic and clinical characteristics. The annual cognitive decline in Scandinavia (0.59%) was approximately two times greater than in Western Europe (0.28%), Central and Eastern Europe (0.25%) and Mediterranean countries (0.23%). DISCUSSION: There are substantial differences in cognitive performance as well as rates of cognitive decline among the elderly throughout European regions. This might be explained by differing levels of cognitive reserve.

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