An epidemiological investigation of food allergy among children aged 3 to 6 in an urban area of Wenzhou, China.

ABSTRACT:

Background

The prevalence of food allergy (FA) has increased worldwide. In China, the prevalence of FA in infants and school-aged children is well known, but the prevalence in preschool children is unknown.

Methods

A total of 4151 preschool children aged 3 to 6 years in urban Wenzhou, China, were recruited for this cross-sectional study. Their parents completed a preliminary screening questionnaire, and a detailed FA questionnaire was given to parents whose children had suspected FA according to the preliminary screening. According to the results of the detailed FA questionnaires, some children underwent a skin prick test (SPT) and specific IgE (sIgE) measurement. Children with abnormal SPT and/or sIgE results who did not meet the diagnostic criteria and those with negative

SUBMITTER: Dai H 

PROVIDER: S-EPMC7227185 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature