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Many studies have shown that moderate alcohol intake is associated with improved cardiovascular outcomes; wine drinkers seem to fare best of all. Most of these studies adjust for some, but not all, potential confounding factors. In this cross-sectional study, investigators in Denmark evaluated the association between food-buying habits and alcoholic-beverage preferences using data from two large supermarket chains during 6 months.
Researchers correlated specific food and alcohol purchases made by the same customers. Customers were categorized as buying wine only (5.8%), beer only (6.6%), both (1.2%), or no alcohol. Wine buyers bought more olives, fruit, vegetables, poultry, cooking oil, and low-fat cheese than did beer drinkers. On the other…