SD = Standard Deviation, n=number of participants, † Asthma is derived
from questionnaire by parents answering the question: ’Does your child
still have asthma?’ (n=20 had missing value on ‘current asthma’ but the
method allows missing values in the outcome-variables), ‡ Parts per
billion (ppb), § Sensitization to aeroallergens: sIgE≥0.35
kUA/L to Phadiatop (birch, timothy, mugwort, cat, dog,
horse, house dust mites, and mold), ¶ Based on whether
either the mother or father answered ‘yes’ if they had asthma on the
questionnaire, # Regular use of ICS during the last
12 months.