Average doses of asthma medications by parental SES.

Average doses (log transformed) of asthma medications (ICS, b-agonists and LTRA) predicted by parental SES (income and education) in the group of children with asthma (diagnosis or ≥2 medications). Estimates in 4a have been adjusted for child age, gender, parity, maternal age, marital status at delivery, healthcare regions, metropolitan areas and those in 4b have been additionally adjusted for asthma diagnosis (yes/no).