Objective: To assessment the nutrition condition and alimentary behavior in adolescents.
Methods: A sample of 616 adolescents of high school system financed by the government was studied. The number of the meals having at home on a weekly basis diet. Body Mass Index (BMI), anemia and vitamin were measured. They were divide by region of residence: north (Nogales), center (Hermosillo) and south (Navojoa) differenced by human development index (HDI) and its components.
Results: The average age was 16 year with a range from 15 to 19 years. Teenagers whose dietary behavior was eating at home between five to seven times on a weekly basis, their consumption of kilocalories, proteins, iron and calcium is either adequate or very close to be, and the same for A serum vitamin. The lowest nutritional condition was registered in Navojoa which is placed in the south region of the Sonora state.
Conclusions: To understand the nutritional problem in the adolescence is necessary to study the alimentary behavior. We observed differences by regions in the alimentary behavior in the Sonora state in Mexico.