Figure 2.

The adjusted relationship of 2^nd trimester plasma folate levels and infant bronchiolitis. Multivariable logistic regression adjusted for the following covariates: maternal age, race, education, smoking, asthma, BMI (kg/m²) and pregnancy weight gain (kg), year of study enrollment and infant gestational age, birth weight (kg), breastfeeding initiation, and number of siblings. Rug plots at the top and bottom of this figure indicate folate levels of the women whose infants who did develop bronchiolitis (top) and did not develop bronchiolitis (bottom), respectively.