[Prevalence, incidence and factors associated with adverse reactions to foods in Cuban infants. A population-based cohort study].

Background: The prevalence of asthma and allergic diseases in Cuban children is high, but little is known about adverse reactions to foods.

Objective: To determine the prevalence, incidence and risk factors for adverse reaction to foods in children.

Methods: Population-based cohort study carried out in Havana, Cuba, in a three-year period.