Objective: To determine the profile of food insecurity according to habits and lifestyles in workers with subsistence jobs.Methods: Cross-sectional study with primary sources of information, taken through an assisted survey, to a census of 686 workers in 2016.The results of the nutritional component of a doctoral thesis approved by the Institutional Ethics Committee of the CES University, Medellín-Colombia are presented.Results: In this working population, 52.6% were 50 years old or more, however, 86.1% reported being the person who contributed the most in the home and 33.3% did not have permission to work in public spaces.56.8% reported being sedentary/little active, and the highest consumption of liquor and cigarettes was recorded in men, who also ate their food alone.For their part, women considered that mood affected their appetite, and when they ate their food, they simultaneously served customers and manipulated money.In general, less than 50.0%had a set time to consume their food.They explained food insecurity in their homes, liquor consumption (PR=1.62.CI=1.05;2.38)and having exclusive hours to consume food (PR=1.40.CI=1.00;1.96).For their part, they profiled food insecurity not consuming liquor, considering that their mood affected their appetite, consuming one or two meals daily, without a set schedule, not having permission to work, presenting moderate/severe food insecurity, and being a woman.Conclusion: The conditions that explain and outline food insecurity in this working population, contribute to configuring their socio-environmental and labor vulnerability, however, they can be reversed.