Associations of weight gain in the first 6, 12, and 18 months with atopic and non-atopic asthma∗. ∗Adjusted for child's age, sex, current body mass index, prematurity, birth order, breastfeeding, maternal asthma, maternal age at delivery, maternal pre-pregnancy body mass index, gestational diabetes, maternal smoking, maternal education, and household income. Bold values denote statistical significance at P < 0.05. Abbreviations: AOR, adjusted odds ratio; CI, confidence interval.