Table 1.

“Core features” by univariate analysis and 5*3 Boruta algorithm with qualifying acceptor features repeated more than 3 times.

Class	Variables
History of allergic disease	Successive bouts of rash more than 6 months during cfy, Child with food allergy
Hereditary factor	Father with AR, Mother with AR, Mother with AD, Siblings with AR,
Indoor environment	Father smoking during mp, Paternal grandfather smoking during mp, Feeding pats or growing plants during cfy, Father smoking during cfy, Flowers planting during cfy
Others	Father’s education, Have older siblings, Antibiotic therapy during cfy

Abbreviation: mp: maternal pregnancy, cfy: child first year, AD: atopic dermatitis.