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Early Consumption of Peanuts in Infancy Is Associated With a Low Prevalence of Peanut Allergy

Du Toit G, Katz Y, Sasieni P, et al. J Allergy Clin Immunol . 2008;122(5):984–991

PURPOSE OF THE STUDY. To determine the prevalence of peanut allergy (PA) among Israeli and United Kingdom Jewish children and to evaluate the relationship of PA to peanut consumption by infants and mothers.

STUDY POPULATION. The study included Jewish children between the ages of 4 and 19 years who attended targeted primary and high schools. Eligible Jewish schools in greater London, United Kingdom, and Israeli schools in the Mehoz Merkaz region of Tel Aviv were selected because they were thought to represent comparable residential environments. The mothers of Jewish infants 4 to 24 months of age in general practitioner clinics in the United Kingdom and Tipat Halav clinics in Israel were also surveyed about the timing of ingestion of peanut.

METHODS. Two validated questionnaires were used. The Food Allergy Questionnaire was completed by high school pupils …