[Impact of front-of-pack labeling on food purchase pattern in Chile].

Objective: to analyze the impact of front-of-pack warning labeling (FOP-L) on food purchase patterns in Chilean families with children under 14 years of age after the implementation of the Law on nutritional labeling in Chile. Methods: a cross-sectional study in 468 parents/tutors from 11 schools in Santiago. The questionnaire investigated FOP-L perception, food purchase patterns, and the influence of children on the selection of foods purchased by the family.