Exposure categories | Case N (%) | Control N (%) | OR (95% CI) | aORa (95% CI) |
---|---|---|---|---|
Using antibiotics in pregnancyb (n = 1498) | ||||
No | 589 (92.9) | 834 (96.5) | ref | ref |
Yes | 45 (7.1) | 30 (3.5) | 2.1 (1.3–3.4) | 1.7 (1.0–2.9) |
Among children exclusively breastfed within the first 6 months of life (n = 796) | ||||
No antibiotic use in pregnancy | 318 (96.1) | 452 (97.2) | ref | ref |
Using antibiotics in pregnancy | 13 (3.9) | 13 (2.8) | 1.4 (0.7–3.1) | 0.9 (0.4–2.1) |
Among children non-exclusively breastfed within the first 6 months of life (n = 702) | ||||
No antibiotic use in pregnancy | 271 (89.4) | 382 (95.7) | ref | ref |
Using antibiotics in pregnancy | 32 (10.6) | 17 (4.3) | 2.7 (1.4–4.9) | 2.6 (1.3–5.1) |