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Daytime Sleepiness Is Associated with 3-Year Incident Dementia and Cognitive Decline in Older Japanese-American Men

TitleDaytime Sleepiness Is Associated with 3-Year Incident Dementia and Cognitive Decline in Older Japanese-American Men
Publication TypeJournal Article
Year of Publication2001
AuthorsFoley, D, Monjan, A, Masaki, K, Ross, W, Havlik, R, White, L, Launer, L
JournalJournal of the American Geriatrics SocietyJournal of the American Geriatrics Society
Volume49
Pagination1628-1632
Date PublishedDec
ISBN Number0002-8614<br/>1532-5415
Accession NumberPeer Reviewed Journal: 2002-15680-004
Keywords*Aging, *Cognitive Ability, *Dementia, *Sleep Disorders, *Sleep Onset, dementia, cognitive decline, Japanese-American men, insomia, daytime sleepiness, older men, sleep disturbances, Human Male Adulthood (18 yrs & older) Aged (65 yrs & older) Very Old (85 yrs & older), Human Males, Insomnia, Japanese Americans, Physical & Somatoform & Psychogenic Disorders [3290], Sleep, Sleepiness, us
AbstractThe objective is to assess the longitudinal association between sleep disturbances (insomnia and daytime sleepiness) and incidence of dementia and cognitive decline in older men. A community-based longitudinal cohort study was completed. Two thousand three hundred forty-six Japanese-American men aged 71 to 93 years who screened negative for prevalent dementia at baseline and were screened again for dementia incidence 3 years later participated. Baseline self-reports of trouble falling asleep or early morning awakening (insomnia) and being sleepy during the day (daytime sleepiness); Cognitive Abilities Screening Instrument (CASI) scores from baseline and followup; clinical diagnosis of incident dementia; and other baseline measures including age, years of education, body mass index, depressive symptoms, and history of hypertension, heart disease, diabetes mellitus, asthma, and use of benzodiazepines. Persons reporting excessive daytime sleepiness at baseline (8%) were twice as likely to be diagnosed with incident dementia than were those not reporting daytime sleepiness. (PsycINFO Database Record (c) 2012 APA, all rights reserved).
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