Sugar-sweetened beverages are a significant contributor to adult and childhood obesity in Guatemala. Policies to place health warning labels on sugar-sweetened beverages are being pursued, but there is little empirical data on how such labels influence people. The primary aim of this study is to test the association between sugar-sweetened beverage (SSB) warning posters compared to control posters and change in SSBs purchased compared to baseline by adolescents shopping at school cafeterias in Guatemala City, Guatemala. The hypothesis is that posters with information warning people of the health harms associated with overconsuming SSBs and promoting low sugar beverages will be associated with greater reductions in SSB purchases compared to a control poster.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
628
Red stop sign and avoidance message for sugar-sweetened beverages and green check mark and promotion message for non-sugar-sweetened beverage nutrition information
Calories for sugar-sweetened and non-sugar-sweetened beverages
Universidad Rafael Landivar
Guatemala City, Guatemala
Volume of SSBs Per Transaction
Total milliliters of SSBs per transaction from sales data
Time frame: Through study period (either 4 weeks baseline, or 4 weeks intervention)
Beverage Calories Per Transaction
Total number of calories for all beverages (SSBs and non-SSBs) per transaction from sales data
Time frame: Through study period (either 4 weeks baseline or 4 weeks intervention)
Total Calories Per Transaction
Total number of calories for all food and beverages (SSBs and non-SSBs) per transaction from purchase assessments (e.g., calories from Coke + bag of chips)
Time frame: Through time frame (either 4 weeks baseline, or 4 weeks intervention)
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