4.1. Strengths and limitations
This study provides information on the monetary costs of the diet and their association with the quality of the diet measured by different indices. Currently, this issue is gaining relevance in public health worldwide, due to the current economic crisis in many Mediterranean countries, with the need for designing nutritional education programs that integrate healthy diets with more profitable options.The main limitation of this study is that the level of economic income of the participants was not analyzed, so it was not possible to analyze its relationship with the quality of the diet. Such an analysis would have been interesting, as several studies have previously shown, that economic constraints lead to the consumption of less healthy diets that are characterized by high energy density (