Associations between depression and anxiety in midlife and dementia more than 30 years later: The HUNT Study

Ragnhild Holmberg Aunsmo*, Bjorn Heine Strand, Kaarin J. Anstey, Sverre Bergh, Mika Kivimaki, Sebastian Kohler, Steinar Krokstad, Gill Livingston, Fiona E. Matthews, Geir Selbaek

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

INTRODUCTION: It is unclear how midlife depression and anxiety affect dementia risk. We examined this in a Norwegian cohort followed for 30 years. METHODS: Dementia status at age 70+ in the fourth wave of the Tr & oslash;ndelag Health Study (HUNT4, 2017-2019, N = 9745) was linked with anxiety and depression from HUNT1 (1984-1985), HUNT2 (1995-1997), HUNT3 (2006-2008), and HUNT4. Longitudinal anxiety and depression score, and prevalence trajectories during 1984-2019 by dementia status at HUNT4 were fitted using mixed effects regression adjusting for age, sex, education, and lifestyle and health factors. RESULTS: Dementia at HUNT4 was associated with higher case prevalence at all waves, from 1.9 percentage points (pp) (95% CI: 0.1-3.7) higher at HUNT1 to 7.6 pp (95% CI: 5.7-9.6) higher at HUNT4. DISCUSSION: Our findings show that depression and anxiety was more common more than 30 years before dementia onset in those who later developed dementia.
Original languageEnglish
Article numbere70036
Number of pages12
JournalAlzheimer's and Dementia: Diagnosis, Assessment and Disease Monitoring
Volume16
Issue number4
DOIs
Publication statusPublished - 1 Oct 2024

Keywords

  • Alzheimer's disease
  • anxiety
  • association between anxiety and dementia
  • association between depression and dementia
  • dementia
  • depression
  • depressive symptoms
  • mental distress
  • midlife anxiety
  • midlife anxiety and depression
  • midlife depression
  • risk factor for dementia
  • trajectories
  • ALZHEIMERS-DISEASE
  • COGNITIVE DECLINE
  • INCREASED RISK
  • SYMPTOMS
  • LIFE

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