Childhood asthma prevalence in capital cities, modelling census data 2021

New research using geographical modelling of the 2021 Census data to map the prevalence of asthma in children aged 5-14 reported:
– On average, childhood asthma prevalence was 7.9%, 8.2%, 8.5%, and 7.6% in Sydney, Melbourne, Brisbane, and Perth, respectively (intra-city special variation)
– prevalence ranged between 6 and 12% between least and most affected locations in each city (intra-city special variation)
– 66% of this intracity variation was attributed to the following covariates in Australian-born non-Indigenous children: climatic and environmental factors (30%), outdoor air pollution (19%), Socio-economic status (51%)