High incidence of dementia in Faroese‐born female residents in Denmark

Maria Skaalum Petersen, Søren N. Lophaven, Pál Magni Weihe, Elsebeth Lynge

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Introduction: To assess whether the incidence of dementia among immigrants in Denmark from the Faroe Islands is similar to that of the inhabitants of their new country.
Methods: Data on Faroese-born immigrants in Denmark were retrieved from the Danish Central Population Register. Incident dementia cases were identified from the Danish National Patient Register. Standardized incidence ratios (SIRs) were used to compare the dementia incidence in immigrants with the general Danish population.
Results: Female, first-generation Faroese immigrants had double the risk of dementia
compared with Danes (SIR 2.1, 95% confidence interval [CI] 1.8-2.5); the excess risk
prevailed even beyond 10 years in Denmark, and it affected all sub-types of dementia.
In male immigrants, only a modest, statistically non-significant excess risk was seen (SIR
1.2, 95% CI 0.9-1.6).
Discussion: The observation of an excess risk of dementia in women only but not in
men of Faroese origin living in Denmark underscores the complexity of the etiology of
Original languageEnglish
Number of pages8
JournalAlzheimer's & Dementia: Translational Research & Clinical Interventions
Issue number1
Publication statusPublished - Jan 2020


  • dementia
  • Faroe Islands
  • genetic etiology
  • immigrants
  • sex difference


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