(Some) Alcohol Is Good for You (at Least if You're Old)

Alcoholism: Clinical and Experimental Research -

Background: Growing epidemiological evidence indicates that moderate alcohol consumption
is associated with reduced total mortality among middle-aged and older adults. However, the salutary effect of moderate drinking may be overestimated owing to confounding factors. Abstainers
may include former problem drinkers with existing health problems and may be atypical compared to drinkers in terms of sociodemographic and social-behavioral factors. The purpose of this
study was to examine the association between alcohol consumption and all-cause mortality over
20 years among 1,824 older adults, controlling for a wide range of potential confounding factors
associated with abstention.

Methods: The sample at baseline included 1,824 individuals between the ages of 55 and 65.
The database at baseline included information on daily alcohol consumption, sociodemographic
factors, former problem drinking status, health factors, and social-behavioral factors. Abstention
was defined as abstaining from alcohol at baseline. Death across a 20-year follow-up period was
confirmed primarily by death certificate.

Results: Controlling only for age and gender, compared to moderate drinkers, abstainers had
a more than 2 times increased mortality risk, heavy drinkers had 70% increased risk, and light
drinkers had 23% increased risk. A model controlling for former problem drinking status, existing
health problems, and key sociodemographic and social-behavioral factors, as well as for age and
gender, substantially reduced the mortality effect for abstainers compared to moderate drinkers.
However, even after adjusting for all covariates, abstainers and heavy drinkers continued to show
increased mortality risks of 51 and 45%, respectively, compared to moderate drinkers

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