Infants hospitalized during peak months had lower family history for asthma ( P [UNK] 0 . 003 ) , more smoking mothers during pregnancy ( P [UNK] 0 . 036 ) , were slightly higher breastfed ( 0 . 056 ) , had lower number of blood eosinophils ( P [UNK] 0 . 015 ) and had a higher clinical severity score ( P [UNK] 0 . 017 ) .