Effects of interventions based on the theory of planned behavior on sugar-sweetened beverage consumption intentions and behavior

There is increasing concern about the health risks of added dietary sugar, perhaps particularly when consumed in beverages that contain no essential nutrients (e.g., sodas). The purpose of this experiment was to examine the relative and combined efficacy of three interventions based on the theory of planned behavior (TPB) for motivating reductions in sugar sweetened beverage (SSB) consumption. Four-hundred-thirty undergraduates were randomised...