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Greater risk of dementia when spouse has dementia? The Cache County study.

Publication ,  Journal Article
Norton, MC; Smith, KR; Østbye, T; Tschanz, JT; Corcoran, C; Schwartz, S; Piercy, KW; Rabins, PV; Steffens, DC; Skoog, I; Breitner, JCS ...
Published in: J Am Geriatr Soc
May 2010

OBJECTIVES: To examine the effects of caring for a spouse with dementia on the caregiver's risk for incident dementia. DESIGN: Population-based study of incident dementia in spouses of persons with dementia. SETTING: Rural county in northern Utah. PARTICIPANTS: Two thousand four hundred forty-two subjects (1,221 married couples) aged 65 and older. MEASUREMENTS: Incident dementia was diagnosed in 255 subjects, with onset defined as age when subject met Diagnostic and Statistical Manual of Mental Disorders, Third Edition, Revised, criteria for dementia. Cox proportional hazards regression tested the effect of time-dependent exposure to dementia in one's spouse, adjusted for potential confounders. RESULTS: A subject whose spouse experienced incident dementia onset had a six times greater risk for incident dementia as subjects whose spouses were dementia free (hazard rate ratio (HRR)=6.0, 95% confidence interval (CI)=2.2-16.2, P<.001). In sex-specific analyses, husbands had higher risks (HRR=11.9, 95% CI=1.7-85.5, P=.01) than wives (HRR=3.7, 95% CI=1.2-11.6, P=.03). CONCLUSION: The chronic and often severe stress associated with dementia caregiving may exert substantial risk for the development of dementia in spouse caregivers. Additional (not mutually exclusive) explanations for findings are discussed.

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Published In

J Am Geriatr Soc

DOI

EISSN

1532-5415

Publication Date

May 2010

Volume

58

Issue

5

Start / End Page

895 / 900

Location

United States

Related Subject Headings

  • Widowhood
  • Utah
  • Stress, Psychological
  • Spouses
  • Risk Factors
  • Male
  • Humans
  • Geriatrics
  • Female
  • Dementia
 

Citation

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Norton, M. C., Smith, K. R., Østbye, T., Tschanz, J. T., Corcoran, C., Schwartz, S., … Cache County Investigators, . (2010). Greater risk of dementia when spouse has dementia? The Cache County study. J Am Geriatr Soc, 58(5), 895–900. https://doi.org/10.1111/j.1532-5415.2010.02806.x
Norton, Maria C., Ken R. Smith, Truls Østbye, JoAnn T. Tschanz, Chris Corcoran, Sarah Schwartz, Kathleen W. Piercy, et al. “Greater risk of dementia when spouse has dementia? The Cache County study.J Am Geriatr Soc 58, no. 5 (May 2010): 895–900. https://doi.org/10.1111/j.1532-5415.2010.02806.x.
Norton MC, Smith KR, Østbye T, Tschanz JT, Corcoran C, Schwartz S, et al. Greater risk of dementia when spouse has dementia? The Cache County study. J Am Geriatr Soc. 2010 May;58(5):895–900.
Norton, Maria C., et al. “Greater risk of dementia when spouse has dementia? The Cache County study.J Am Geriatr Soc, vol. 58, no. 5, May 2010, pp. 895–900. Pubmed, doi:10.1111/j.1532-5415.2010.02806.x.
Norton MC, Smith KR, Østbye T, Tschanz JT, Corcoran C, Schwartz S, Piercy KW, Rabins PV, Steffens DC, Skoog I, Breitner JCS, Welsh-Bohmer KA, Cache County Investigators. Greater risk of dementia when spouse has dementia? The Cache County study. J Am Geriatr Soc. 2010 May;58(5):895–900.
Journal cover image

Published In

J Am Geriatr Soc

DOI

EISSN

1532-5415

Publication Date

May 2010

Volume

58

Issue

5

Start / End Page

895 / 900

Location

United States

Related Subject Headings

  • Widowhood
  • Utah
  • Stress, Psychological
  • Spouses
  • Risk Factors
  • Male
  • Humans
  • Geriatrics
  • Female
  • Dementia