Childhood eczema prevalence in New Zealand using topical corticosteroid dispensing data

Author:

Harvey Georgina1ORCID,Purvis Diana J.2,Thompson John M. D.3,Haskell Libby23,Kennedy Harriet34ORCID,Hoare Karen5,Dalziel Stuart R.23

Affiliation:

1. Women's and Children's Hospital Adelaide South Australia Australia

2. Starship Children's Hospital, Te Whatu Ora Auckland Auckland New Zealand

3. University of Auckland Auckland New Zealand

4. Auckland City Hospital, Te Whatu Ora Auckland Auckland New Zealand

5. Massey University Auckland New Zealand

Abstract

AbstractObjectivesTo determine the prevalence of eczema among children in New Zealand.MethodsPopulation‐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.ResultsBased 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 <1 year 26.0% (25.6%–26.4%); children aged 10–14 years 8.8% (8.7%–8.9%)). Prevalence was higher in Pacific children (23.6% (23.3%–24.0%)), but slightly lower in Māori children (13.2% (13.0%–13.3%)).ConclusionEczema is a common condition affecting a considerable proportion of children in New Zealand. This study provides nationwide paediatric prevalence data for New Zealand, and highlights the increased burden of eczema in Pacific children. Inequity in dispensing of topical corticosteroids is postulated to explain the reduced rates found for Māori children compared to previous studies. These results support the need for further research to determine factors contributing to differing eczema prevalence rates in New Zealand.

Publisher

Wiley

Reference29 articles.

1. Global variations in prevalence of eczema symptoms in children from ISAAC phase three;Odhiambo JA;J Allergy Clin Immunol,2009

2. Ministry of Health.Annual data explorer 2021/22: New Zealand health survey [data file].2022.

3. Time trends, ethnicity and risk factors for eczema in New Zealand children: ISAAC Phase Three

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