Internal Med Medical News about moderate alcohol intake; functional decline

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Moderate Alcohol Intake and Risk of Functional Decline: The Health, Aging, and Body Composition Study
Journal of the American Geriatrics Society, 09/10/09

Maraldi C et al. – Lifestyle–related characteristics mainly accounted for the association between moderate alcohol intake and lower risk of functional decline over time. These findings do not support a direct causal effect of alcohol intake on physical function.

Methods

Cohort study, conducted in Memphis, Tennessee, and Pittsburgh, Pennsylvania.
Participants: 3061 adults aged 70 to 79 without mobility disability at baseline.
Incidence of mobility limitation, defined as self–report at two consecutive semiannual interviews of any difficulty walking one–quarter of a mile or climbing stairs, and incidence of mobility disability, defined as severe difficulty or inability to perform these tasks at two consecutive reports.

Results

During a follow–up time of 6.5 years, participants consuming moderate levels of alcohol had the lowest incidence of mobility limitation and mobility disability .
Adjusting for demographic characteristics, moderate alcohol intake was associated with lower risk of mobility limitation and mobility disability than never or occasional consumption.
Additional adjustment for lifestyle–related variables substantially reduced the strength of the associations.

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