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John, Philip; Montgomery, Patrick

Does Self-Rated Health Predict Dementia?

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  • Media type: E-Article
  • Title: Does Self-Rated Health Predict Dementia?
  • Contributor: John, Philip; Montgomery, Patrick
  • imprint: SAGE Publications, 2013
  • Published in: Journal of Geriatric Psychiatry and Neurology
  • Language: English
  • DOI: 10.1177/0891988713476369
  • ISSN: 1552-5708; 0891-9887
  • Origination:
  • Footnote:
  • Description: <jats:sec><jats:title>Objectives:</jats:title><jats:p> 1. To determine if Self-Rated Health (SRH) predicts dementia over a five period in cognitively intact older adults, and in older adults with Cognitive Impairment, No Dementia (CIND); and 2. To determine if different methods of eliciting SRH (age-referenced (AR) versus unreferenced) yield similar results. </jats:p></jats:sec><jats:sec><jats:title>Design:</jats:title><jats:p> Prospective cohort. </jats:p></jats:sec><jats:sec><jats:title>Population:</jats:title><jats:p> 1468 cognitively intact adults and 94 older adults with CIND aged 65+ living in the community, followed over five years. </jats:p></jats:sec><jats:sec><jats:title>Measures:</jats:title><jats:p> Age, gender, education, subjective memory loss, depressive symptoms, functional status, cognition, SRH and AR-SRH were all measured; dementia was diagnosed on clinical examination. Those with abnormal cognition not meeting criteria for dementia were diagnosed with CIND. </jats:p></jats:sec><jats:sec><jats:title>Results:</jats:title><jats:p> In those who were cognitively intact at time 1, and had good SRH: 69.4% were intact; 6.0% had CIND; 6.9% had dementia, and 17.7% had died at time 2, while in those with poor SRH: 44.9% were intact, 11.1% had CIND, 9.1% had dementia, and 34.8% had died (p&lt;0.001, chi-square test). In multinomial regression models SRH predicted dementia and death. In those with CIND at time 1 and good SRH: 2.3% were intact: 18.6% had CIND; 34.9% had dementia and 44.2% had died at time 2, while in those with poor SRH: 4.8% were intact, 31.0% had CIND, 19.0% had dementia, and 43.6% had died (p=0.30, chi-square test). In multinomial regression models, this was not significant. AR-SRH analyses were similar. </jats:p></jats:sec><jats:sec><jats:title>Conclusions:</jats:title><jats:p> In cognitively intact older adults SRH predicts dementia. In older adults with CIND, SRH does not predict dementia. </jats:p></jats:sec>