Stress diagnoses in midlife and risk of dementia: a register-based follow-up study

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Stress diagnoses in midlife and risk of dementia : a register-based follow-up study. / Islamoska, Sabrina; Hansen, Åse Marie; Ishtiak-Ahmed, Kazi; Garde, Anne Helene; Andersen, Per Kragh; Garde, Ellen; Taudorf, Lærke; Waldemar, Gunhild; Nabe-Nielsen, Kirsten.

In: Aging & Mental Health, 01.04.2020, p. 1-10.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Islamoska, S, Hansen, ÅM, Ishtiak-Ahmed, K, Garde, AH, Andersen, PK, Garde, E, Taudorf, L, Waldemar, G & Nabe-Nielsen, K 2020, 'Stress diagnoses in midlife and risk of dementia: a register-based follow-up study', Aging & Mental Health, pp. 1-10. https://doi.org/10.1080/13607863.2020.1742656

APA

Islamoska, S., Hansen, Å. M., Ishtiak-Ahmed, K., Garde, A. H., Andersen, P. K., Garde, E., ... Nabe-Nielsen, K. (2020). Stress diagnoses in midlife and risk of dementia: a register-based follow-up study. Aging & Mental Health, 1-10. https://doi.org/10.1080/13607863.2020.1742656

Vancouver

Islamoska S, Hansen ÅM, Ishtiak-Ahmed K, Garde AH, Andersen PK, Garde E et al. Stress diagnoses in midlife and risk of dementia: a register-based follow-up study. Aging & Mental Health. 2020 Apr 1;1-10. https://doi.org/10.1080/13607863.2020.1742656

Author

Islamoska, Sabrina ; Hansen, Åse Marie ; Ishtiak-Ahmed, Kazi ; Garde, Anne Helene ; Andersen, Per Kragh ; Garde, Ellen ; Taudorf, Lærke ; Waldemar, Gunhild ; Nabe-Nielsen, Kirsten. / Stress diagnoses in midlife and risk of dementia : a register-based follow-up study. In: Aging & Mental Health. 2020 ; pp. 1-10.

Bibtex

@article{84723ca5af1344f28e497609bc7aecd7,
title = "Stress diagnoses in midlife and risk of dementia: a register-based follow-up study",
abstract = "Objectives: Previous studies indicated that stress diagnoses increase the risk of dementia. However, previous results may be biased by confounding, reverse causation and misclassification. Therefore, the main aim of this study was to investigate the association between clinically diagnosed stress in midlife and later dementia risk, while addressing limitations of previous studies.Methods: The study population was selected from all individuals in Denmark born 1935-1956. Individuals diagnosed with stress in midlife (aged 37-58 years) were matched (1:5) with individuals without stress diagnoses based on sex and birthdate (N = 103,484). Data were retrieved from national registers. Cox regression models were adjusted for socio-demographic factors and different morbidities.Results: We found a 2.20 (95{\%} CI: 1.93-2.50) times higher rate of dementia among individuals with any stress diagnosis registered in midlife compared with no stress diagnosis. Hazard rate ratios of dementia were 1.73 (95{\%} CI: 1.13-2.65) among individuals with acute stress reactions, 2.37 (95{\%} CI: 2.05-2.74) among individuals with adjustment disorders, and 2.20 (95{\%} CI: 1.73-2.80) among individuals with unspecified stress reactions. Individuals with PTSD and other stress reactions had non-significantly elevated rates of dementia. Adjustment for confounding only slightly attenuated the association, and reverse causation did not appear to bias the results substantially.Conclusion: Our results support the hypothesis that severe stress in midlife is an important risk factor for dementia. This finding emphasizes the importance of identifying and treating severe stress in midlife to reduce potential detrimental consequences for brain health in later life.",
author = "Sabrina Islamoska and Hansen, {{\AA}se Marie} and Kazi Ishtiak-Ahmed and Garde, {Anne Helene} and Andersen, {Per Kragh} and Ellen Garde and L{\ae}rke Taudorf and Gunhild Waldemar and Kirsten Nabe-Nielsen",
year = "2020",
month = "4",
day = "1",
doi = "10.1080/13607863.2020.1742656",
language = "English",
pages = "1--10",
journal = "Aging & Mental Health",
issn = "1360-7863",
publisher = "Routledge",

}

RIS

TY - JOUR

T1 - Stress diagnoses in midlife and risk of dementia

T2 - a register-based follow-up study

AU - Islamoska, Sabrina

AU - Hansen, Åse Marie

AU - Ishtiak-Ahmed, Kazi

AU - Garde, Anne Helene

AU - Andersen, Per Kragh

AU - Garde, Ellen

AU - Taudorf, Lærke

AU - Waldemar, Gunhild

AU - Nabe-Nielsen, Kirsten

PY - 2020/4/1

Y1 - 2020/4/1

N2 - Objectives: Previous studies indicated that stress diagnoses increase the risk of dementia. However, previous results may be biased by confounding, reverse causation and misclassification. Therefore, the main aim of this study was to investigate the association between clinically diagnosed stress in midlife and later dementia risk, while addressing limitations of previous studies.Methods: The study population was selected from all individuals in Denmark born 1935-1956. Individuals diagnosed with stress in midlife (aged 37-58 years) were matched (1:5) with individuals without stress diagnoses based on sex and birthdate (N = 103,484). Data were retrieved from national registers. Cox regression models were adjusted for socio-demographic factors and different morbidities.Results: We found a 2.20 (95% CI: 1.93-2.50) times higher rate of dementia among individuals with any stress diagnosis registered in midlife compared with no stress diagnosis. Hazard rate ratios of dementia were 1.73 (95% CI: 1.13-2.65) among individuals with acute stress reactions, 2.37 (95% CI: 2.05-2.74) among individuals with adjustment disorders, and 2.20 (95% CI: 1.73-2.80) among individuals with unspecified stress reactions. Individuals with PTSD and other stress reactions had non-significantly elevated rates of dementia. Adjustment for confounding only slightly attenuated the association, and reverse causation did not appear to bias the results substantially.Conclusion: Our results support the hypothesis that severe stress in midlife is an important risk factor for dementia. This finding emphasizes the importance of identifying and treating severe stress in midlife to reduce potential detrimental consequences for brain health in later life.

AB - Objectives: Previous studies indicated that stress diagnoses increase the risk of dementia. However, previous results may be biased by confounding, reverse causation and misclassification. Therefore, the main aim of this study was to investigate the association between clinically diagnosed stress in midlife and later dementia risk, while addressing limitations of previous studies.Methods: The study population was selected from all individuals in Denmark born 1935-1956. Individuals diagnosed with stress in midlife (aged 37-58 years) were matched (1:5) with individuals without stress diagnoses based on sex and birthdate (N = 103,484). Data were retrieved from national registers. Cox regression models were adjusted for socio-demographic factors and different morbidities.Results: We found a 2.20 (95% CI: 1.93-2.50) times higher rate of dementia among individuals with any stress diagnosis registered in midlife compared with no stress diagnosis. Hazard rate ratios of dementia were 1.73 (95% CI: 1.13-2.65) among individuals with acute stress reactions, 2.37 (95% CI: 2.05-2.74) among individuals with adjustment disorders, and 2.20 (95% CI: 1.73-2.80) among individuals with unspecified stress reactions. Individuals with PTSD and other stress reactions had non-significantly elevated rates of dementia. Adjustment for confounding only slightly attenuated the association, and reverse causation did not appear to bias the results substantially.Conclusion: Our results support the hypothesis that severe stress in midlife is an important risk factor for dementia. This finding emphasizes the importance of identifying and treating severe stress in midlife to reduce potential detrimental consequences for brain health in later life.

U2 - 10.1080/13607863.2020.1742656

DO - 10.1080/13607863.2020.1742656

M3 - Journal article

C2 - 32233797

SP - 1

EP - 10

JO - Aging & Mental Health

JF - Aging & Mental Health

SN - 1360-7863

ER -

ID: 239302126