Effect of an Educational Intervention About Front of Package Labeling in Children and Caregivers.

Third, fourth, and fifth-grade elementary school students and their caregivers from 4 primary schools, two public and two private, in Mexico City, will participate. The schools will be chosen by simple random sampling. Schools will be randomized into two groups: intervention and control. After approval from the directors of the primary schools, meetings will be held with parents to invite them to participate, they will be explained the objectives, activities, and duration of the intervention. They will be invited to sign a consent and informed assent, clarifying that their participation is voluntary and they may not continue at any time they wish without affecting their activities at school.