n OR 95% CI P value
Maternal antibiotic use Early pregnancy Late pregnancy 2467 2336 0.97 1.10 0.80-1.18 0.93-1.30 0.79 0.27
Maternal laxative use Early pregnancy Late pregnancy 2467 2336 0.99 1.25 0.42-2.33 0.59-2.66 0.98 0.56
Infant antibiotic use (in the first 12 months of life) 2730 1.57 1.21-2.05 0.001