12 Citations (Scopus)


Food allergy (FA) prevalence data in infants and preschool-age children are sparse, and proposed risk factors lack confirmation. In this study, 19 children's day care centers (DCC) from 2 main Portuguese cities were selected after stratification and cluster analysis. An ISAAC's (International Study of Asthma and Allergies in Childhood) derived health questionnaire was applied to a sample of children attending DCCs. Outcomes were FA parental report and anaphylaxis. Logistic regression was used to explore potential risk factors for reported FA. From the 2228 distributed questionnaires, 1217 were included in the analysis (54.6\%). Children's median age was 3.5 years, and 10.8\% were described as ever having had FA. Current FA was reported in 5.7\%. Three (0.2\%) reports compatible with anaphylaxis were identified. Reported parental history of FA, personal history of atopic dermatitis, and preterm birth increased the odds for reported current FA. A high prevalence of parental-perceived FA in preschool-age children was identified. Risk factor identification may enhance better prevention.
Original languageEnglish
Pages (from-to)652-657
Number of pages6
JournalClinical Pediatrics
Issue number7
Publication statusPublished - 2014


  • diagnosis
  • childhood
  • epidemiology
  • life
  • management
  • hypersensitivity
  • prevalence
  • united-states
  • intestinal permeability
  • 1st 3 years


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