The objective of this article was to characterize and describe the socio-demographic structure of eating events carried out by adults in Santiago, Chile. Based on data from the Survey of Commensality in Adults of the Metropolitan Region and a descriptive statistical analysis, it was observed that the majority of adults report eating breakfast (94.4%) and lunch (93.5%), while only 56.9% have a teatime and 39.4 % declare eat snacks in the day. Eating these different types of meals differed according to socio-demographic variables. In addition, it was observed that adults report having structured meals, in places designated for eating, with others during specific times. This article contributes to the discussion on alimentary modernity, showing evidence against this theory according to which there would be a decrease in social regulations that influence eating habits.