Does Low to Moderate Alcohol Intake Protect Against Cognitive Decline in Older People?

Stott, D., Falconer, A., Kerr, G., Murray, H., Trompet, S., Westendorp, R., Buckley, B., De Craen, A., Sattar, N. and Ford, I. (2008) Does Low to Moderate Alcohol Intake Protect Against Cognitive Decline in Older People? Journal of the American Geriatrics Society, 56(12), pp. 2217-2224. (doi: 10.1111/j.1532-5415.2008.02007.x)

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Abstract

To determine whether low to moderate alcohol intake is protective against cognitive decline in older people. Prospective cohort study. Community-based study in Ireland, the Netherlands, and Scotland. Five thousand eight hundred four people (3,000 women) aged 70 to 82 and randomized to pravastatin or placebo in the Prospective Study of Pravastatin in the Elderly at Risk. Alcohol consumption was determined at study baseline. Serial measures of cognitive function over 3.2 years mean follow-up included Mini-Mental-State-Examination (MMSE), speed of information processing (Stroop and Letter-Digit Coding tests), and immediate and delayed memory (Picture-Word Learning test). Forty-two percent of women and 71% of men were alcohol drinkers. Cognitive performance was better for female drinkers than nondrinkers for all cognitive domains over the 3.2-year follow-up; no significant effects were seen for men (linear mixed model, including adjusting for possible confounders). The rate of cognitive decline was similar for drinkers and nondrinkers for all cognitive domains, except for MMSE, which declined significantly less in female drinkers than nondrinkers (linear mixed model attenuated rate of decline=0.05 MMSE units per annum, P=.001). Drinking low to moderate amounts of alcohol may delay age-associated cognitive decline in older women (including slowing deterioration in global cognitive function), but these apparent benefits were not clearly seen in older men.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Stott J, Professor David and Ford, Professor Ian and Kerr, Dr Gillian and Murray, Mrs Heather and Sattar, Professor Naveed
Authors: Stott, D., Falconer, A., Kerr, G., Murray, H., Trompet, S., Westendorp, R., Buckley, B., De Craen, A., Sattar, N., and Ford, I.
College/School:College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > Robertson Centre
College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health
Journal Name:Journal of the American Geriatrics Society
ISSN:0002-8614

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