Childhood eczema prevalence in New Zealand using topical corticosteroid dispensing data

Objectives To determine the prevalence of eczema among children in New Zealand. Methods Population‐based retrospective observational study utilising national pharmaceutical dispensing records for topical corticosteroids and emollients for all New Zealand children aged 0–14 years from 1st January 2006 to 31st December 2019. Data are reported using descriptive statistics, with comparisons between ethnicities and socioeconomic quintiles undertaken with rate ratios. Results Based on dispensing data, the prevalence of eczema for New Zealand children aged 0–14 years in 2018 was 14.0% (95% CI 14.0%–14.1%), with prevalence decreasing in older age groups (children aged