Do Changes in Per Capita Consumption Mirror Changes in Drinking Patterns?
Reginald G. Smart, Helen M. Suurvali, Robert E. Mann Objective: The goal of this study was to examine how well per capita alcohol consumption figures derived from beverage sales data relate to changes over time in survey-based measures of drinking patterns. It was expected that strong associations would be found among these various measures of consumption. Method: Data from 12 household surveys conducted in Ontario between 1977 and 1997 provided information on: percentages of drinkers; daily drinkers; those drinking five or more drinks at a sitting weekly; those reporting two or more alcohol-related harms; and average number of drinks per week. These variables were then correlated with per capita consumption. Results: Significant correlations were found only between per capita consumption and percentage of daily drinkers, and between percentage of drinkers and average number of drinks per week. Conclusions: The relationship of per capita consumption to survey measures of drinking is we
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